/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 -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 23:43:26,812 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 23:43:26,839 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 23:43:26,840 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 23:43:26,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 23:43:26,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 23:43:26,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 23:43:26,846 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 23:43:26,847 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 23:43:26,848 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 23:43:26,848 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 23:43:26,849 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 23:43:26,850 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 23:43:26,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 23:43:26,852 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 23:43:26,853 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 23:43:26,855 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 23:43:26,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 23:43:26,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 23:43:26,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 23:43:26,860 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 23:43:26,861 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 23:43:26,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 23:43:26,880 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 23:43:26,930 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 23:43:26,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 23:43:26,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 23:43:26,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 23:43:26,935 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 23:43:26,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 23:43:26,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 23:43:26,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 23:43:26,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 23:43:26,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 23:43:26,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 23:43:26,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 23:43:26,936 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 23:43:26,940 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 23:43:26,940 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 23:43:26,940 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 23:43:26,941 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 23:43:26,941 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 23:43:26,941 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:43:26,941 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 23:43:26,941 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 23:43:26,942 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 23:43:26,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 23:43:26,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 23:43:26,942 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 23:43:26,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 23:43:26,943 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-08-18 23:43:26,943 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=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; [2020-08-18 23:43:27,235 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 23:43:27,255 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 23:43:27,261 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 23:43:27,263 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 23:43:27,263 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 23:43:27,264 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_cat_harness.i [2020-08-18 23:43:27,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ed9b44cd3/5bffdc0ebdd5419b8bc093c6d066d964/FLAG3e6c6e5e7 [2020-08-18 23:43:28,243 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 23:43:28,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/aws-c-common/aws_byte_buf_cat_harness.i [2020-08-18 23:43:28,297 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ed9b44cd3/5bffdc0ebdd5419b8bc093c6d066d964/FLAG3e6c6e5e7 [2020-08-18 23:43:28,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ed9b44cd3/5bffdc0ebdd5419b8bc093c6d066d964 [2020-08-18 23:43:28,681 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 23:43:28,683 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 23:43:28,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 23:43:28,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 23:43:28,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 23:43:28,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:43:28" (1/1) ... [2020-08-18 23:43:28,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3869d3c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:43:28, skipping insertion in model container [2020-08-18 23:43:28,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:43:28" (1/1) ... [2020-08-18 23:43:28,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 23:43:28,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 23:43:29,224 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-08-18 23:43:29,231 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-08-18 23:43:30,133 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,138 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,139 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,140 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,145 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,180 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,181 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,186 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,186 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,191 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,192 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,196 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,196 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,628 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-08-18 23:43:30,630 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-08-18 23:43:30,631 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-08-18 23:43:30,633 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-08-18 23:43:30,634 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-08-18 23:43:30,635 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-08-18 23:43:30,636 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-08-18 23:43:30,637 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-08-18 23:43:30,638 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-08-18 23:43:30,639 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-08-18 23:43:30,819 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-08-18 23:43:30,961 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:30,963 WARN L1484 CHandler]: Possible shadowing of function index [2020-08-18 23:43:31,081 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 23:43:31,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2818a64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:43:31, skipping insertion in model container [2020-08-18 23:43:31,082 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 23:43:31,083 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-08-18 23:43:31,086 INFO L168 Benchmark]: Toolchain (without parser) took 2402.22 ms. Allocated memory was 140.5 MB in the beginning and 233.3 MB in the end (delta: 92.8 MB). Free memory was 94.0 MB in the beginning and 163.2 MB in the end (delta: -69.2 MB). Peak memory consumption was 41.5 MB. Max. memory is 7.1 GB. [2020-08-18 23:43:31,087 INFO L168 Benchmark]: CDTParser took 1.44 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 23:43:31,088 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2399.04 ms. Allocated memory was 140.5 MB in the beginning and 233.3 MB in the end (delta: 92.8 MB). Free memory was 93.8 MB in the beginning and 164.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2020-08-18 23:43:31,091 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2399.04 ms. Allocated memory was 140.5 MB in the beginning and 233.3 MB in the end (delta: 92.8 MB). Free memory was 93.8 MB in the beginning and 164.2 MB in the end (delta: -70.4 MB). Peak memory consumption was 41.3 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...