./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:04:10,729 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:04:10,786 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:04:10,792 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:04:10,793 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:04:10,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:04:10,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:04:10,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:04:10,819 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:04:10,820 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:04:10,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:04:10,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:04:10,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:04:10,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:04:10,821 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:04:10,822 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:04:10,822 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:04:10,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:04:10,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:04:10,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:04:10,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:04:10,823 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:04:10,823 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:04:10,824 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:04:10,824 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:04:10,824 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:04:10,824 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:04:10,825 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:04:10,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:04:10,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:04:10,827 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:04:10,827 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:04:10,827 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:04:10,827 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:04:10,827 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:04:10,828 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:04:10,828 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:04:10,828 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:04:10,828 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:04:10,828 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 [2024-11-09 03:04:11,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:04:11,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:04:11,063 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:04:11,064 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:04:11,064 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:04:11,066 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2024-11-09 03:04:12,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:04:12,738 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:04:12,739 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2024-11-09 03:04:12,779 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b002be086/b2da9f2cd4db44f0b813d2929b5c6615/FLAG40ce6e598 [2024-11-09 03:04:12,793 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b002be086/b2da9f2cd4db44f0b813d2929b5c6615 [2024-11-09 03:04:12,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:04:12,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:04:12,797 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:04:12,797 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:04:12,802 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:04:12,803 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:04:12" (1/1) ... [2024-11-09 03:04:12,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6074a76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:12, skipping insertion in model container [2024-11-09 03:04:12,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:04:12" (1/1) ... [2024-11-09 03:04:12,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:04:13,154 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i[4494,4507] [2024-11-09 03:04:13,163 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i[4554,4567] [2024-11-09 03:04:13,829 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:13,830 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:13,830 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:13,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:13,833 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:13,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:13,846 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:13,851 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:13,851 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,295 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,295 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:04:14,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:04:14,407 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i[4494,4507] [2024-11-09 03:04:14,408 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i[4554,4567] [2024-11-09 03:04:14,442 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,442 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,442 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,443 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,443 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,453 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,454 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,454 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,454 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,510 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,548 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8283] [2024-11-09 03:04:14,550 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,550 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:04:14,562 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8769-8780] [2024-11-09 03:04:14,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:04:14,891 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:04:14,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14 WrapperNode [2024-11-09 03:04:14,892 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:04:14,893 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:04:14,893 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:04:14,893 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:04:14,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14" (1/1) ... [2024-11-09 03:04:14,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14" (1/1) ... [2024-11-09 03:04:15,049 INFO L138 Inliner]: procedures = 681, calls = 2620, calls flagged for inlining = 59, calls inlined = 10, statements flattened = 969 [2024-11-09 03:04:15,050 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:04:15,050 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:04:15,050 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:04:15,050 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:04:15,061 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14" (1/1) ... [2024-11-09 03:04:15,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14" (1/1) ... [2024-11-09 03:04:15,073 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14" (1/1) ... [2024-11-09 03:04:15,119 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-09 03:04:15,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14" (1/1) ... [2024-11-09 03:04:15,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14" (1/1) ... [2024-11-09 03:04:15,156 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14" (1/1) ... [2024-11-09 03:04:15,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14" (1/1) ... [2024-11-09 03:04:15,169 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14" (1/1) ... [2024-11-09 03:04:15,184 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14" (1/1) ... [2024-11-09 03:04:15,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:04:15,194 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:04:15,194 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:04:15,195 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:04:15,195 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14" (1/1) ... [2024-11-09 03:04:15,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:04:15,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:04:15,228 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:04:15,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:04:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:04:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:04:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:04:15,269 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:04:15,269 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:04:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-09 03:04:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 03:04:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:04:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:04:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:04:15,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:04:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:04:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:04:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 03:04:15,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:04:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:04:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:04:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:04:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-09 03:04:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-09 03:04:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 03:04:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 03:04:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-09 03:04:15,271 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2024-11-09 03:04:15,271 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2024-11-09 03:04:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-09 03:04:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-09 03:04:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:04:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:04:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:04:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 03:04:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 03:04:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:04:15,272 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:04:15,272 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:04:15,273 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:04:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 03:04:15,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 03:04:15,512 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:04:15,514 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:04:22,920 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-09 03:04:22,920 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:04:22,935 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:04:22,935 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-09 03:04:22,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:04:22 BoogieIcfgContainer [2024-11-09 03:04:22,936 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:04:22,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:04:22,939 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:04:22,941 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:04:22,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:04:12" (1/3) ... [2024-11-09 03:04:22,942 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87d225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:04:22, skipping insertion in model container [2024-11-09 03:04:22,942 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:04:14" (2/3) ... [2024-11-09 03:04:22,943 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@87d225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:04:22, skipping insertion in model container [2024-11-09 03:04:22,943 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:04:22" (3/3) ... [2024-11-09 03:04:22,944 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness_negated.i [2024-11-09 03:04:22,958 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:04:22,958 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:04:23,019 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:04:23,027 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4f32b00b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:04:23,029 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:04:23,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 107 states have (on average 1.280373831775701) internal successors, (137), 107 states have internal predecessors, (137), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-09 03:04:23,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 03:04:23,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:04:23,042 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:04:23,043 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:04:23,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:04:23,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1592615558, now seen corresponding path program 1 times [2024-11-09 03:04:23,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:04:23,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516310784] [2024-11-09 03:04:23,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:04:23,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:05:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:43,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:05:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:43,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 03:05:43,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:43,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:05:43,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:43,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 03:05:43,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:43,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 03:05:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:43,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:05:43,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:43,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:05:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 03:05:43,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:05:43,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [516310784] [2024-11-09 03:05:43,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [516310784] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:05:43,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:05:43,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:05:43,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314767282] [2024-11-09 03:05:43,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:05:43,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:05:43,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:05:43,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:05:43,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:05:43,668 INFO L87 Difference]: Start difference. First operand has 158 states, 107 states have (on average 1.280373831775701) internal successors, (137), 107 states have internal predecessors, (137), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 03:05:47,861 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:05:49,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:05:49,878 INFO L93 Difference]: Finished difference Result 328 states and 463 transitions. [2024-11-09 03:05:49,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 03:05:49,880 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-09 03:05:49,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:05:49,888 INFO L225 Difference]: With dead ends: 328 [2024-11-09 03:05:49,888 INFO L226 Difference]: Without dead ends: 173 [2024-11-09 03:05:49,891 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:05:49,893 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 92 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-09 03:05:49,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 184 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-11-09 03:05:49,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-09 03:05:49,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 151. [2024-11-09 03:05:49,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 100 states have (on average 1.23) internal successors, (123), 101 states have internal predecessors, (123), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 03:05:49,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 198 transitions. [2024-11-09 03:05:49,937 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 198 transitions. Word has length 53 [2024-11-09 03:05:49,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:05:49,937 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 198 transitions. [2024-11-09 03:05:49,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-09 03:05:49,938 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 198 transitions. [2024-11-09 03:05:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-09 03:05:49,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:05:49,942 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:05:49,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:05:49,942 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:05:49,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:05:49,943 INFO L85 PathProgramCache]: Analyzing trace with hash 409233217, now seen corresponding path program 1 times [2024-11-09 03:05:49,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:05:49,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963865714] [2024-11-09 03:05:49,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:05:49,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms