./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/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 fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/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-wip.dd.update-z3-fca748b-m [2024-11-20 09:58:58,630 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 09:58:58,695 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 09:58:58,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 09:58:58,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 09:58:58,731 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 09:58:58,733 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 09:58:58,734 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 09:58:58,734 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 09:58:58,737 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 09:58:58,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 09:58:58,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 09:58:58,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 09:58:58,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 09:58:58,738 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 09:58:58,738 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 09:58:58,738 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 09:58:58,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 09:58:58,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 09:58:58,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 09:58:58,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 09:58:58,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 09:58:58,741 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 09:58:58,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 09:58:58,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 09:58:58,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 09:58:58,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 09:58:58,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 09:58:58,743 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 09:58:58,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:58:58,743 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 09:58:58,743 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 09:58:58,744 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 09:58:58,744 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 09:58:58,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 09:58:58,744 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 09:58:58,745 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 09:58:58,745 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 09:58:58,745 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 09:58:58,745 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 [2024-11-20 09:58:58,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 09:58:58,956 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 09:58:58,958 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 09:58:58,959 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 09:58:58,960 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 09:58:58,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2024-11-20 09:59:00,947 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 09:59:01,303 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 09:59:01,305 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2024-11-20 09:59:01,340 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/248cdb57e/4cd088d793e04212936243dcff69a154/FLAG260b0272c [2024-11-20 09:59:01,357 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/248cdb57e/4cd088d793e04212936243dcff69a154 [2024-11-20 09:59:01,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 09:59:01,361 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 09:59:01,363 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 09:59:01,363 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 09:59:01,368 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 09:59:01,368 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:59:01" (1/1) ... [2024-11-20 09:59:01,369 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@333b14ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:01, skipping insertion in model container [2024-11-20 09:59:01,369 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:59:01" (1/1) ... [2024-11-20 09:59:01,515 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 09:59:01,741 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] [2024-11-20 09:59:01,747 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] [2024-11-20 09:59:02,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,239 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,239 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,241 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,241 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,627 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,628 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,670 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,674 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:59:02,793 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 09:59:02,813 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] [2024-11-20 09:59:02,813 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] [2024-11-20 09:59:02,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,863 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,863 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,872 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,874 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,874 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,978 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:02,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:03,011 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8283] [2024-11-20 09:59:03,013 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:03,013 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 09:59:03,029 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8769-8780] [2024-11-20 09:59:03,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 09:59:03,226 INFO L204 MainTranslator]: Completed translation [2024-11-20 09:59:03,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03 WrapperNode [2024-11-20 09:59:03,227 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 09:59:03,228 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 09:59:03,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 09:59:03,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 09:59:03,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03" (1/1) ... [2024-11-20 09:59:03,315 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03" (1/1) ... [2024-11-20 09:59:03,383 INFO L138 Inliner]: procedures = 681, calls = 2620, calls flagged for inlining = 59, calls inlined = 10, statements flattened = 969 [2024-11-20 09:59:03,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 09:59:03,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 09:59:03,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 09:59:03,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 09:59:03,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03" (1/1) ... [2024-11-20 09:59:03,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03" (1/1) ... [2024-11-20 09:59:03,408 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03" (1/1) ... [2024-11-20 09:59:03,449 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-20 09:59:03,451 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03" (1/1) ... [2024-11-20 09:59:03,452 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03" (1/1) ... [2024-11-20 09:59:03,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03" (1/1) ... [2024-11-20 09:59:03,493 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03" (1/1) ... [2024-11-20 09:59:03,501 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03" (1/1) ... [2024-11-20 09:59:03,507 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03" (1/1) ... [2024-11-20 09:59:03,520 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 09:59:03,521 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 09:59:03,521 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 09:59:03,521 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 09:59:03,522 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03" (1/1) ... [2024-11-20 09:59:03,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 09:59:03,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 09:59:03,553 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) [2024-11-20 09:59:03,556 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 [2024-11-20 09:59:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-20 09:59:03,600 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-20 09:59:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 09:59:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 09:59:03,600 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 09:59:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-20 09:59:03,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-20 09:59:03,602 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 09:59:03,603 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 09:59:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 09:59:03,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 09:59:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 09:59:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 09:59:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-20 09:59:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 09:59:03,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 09:59:03,603 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 09:59:03,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 09:59:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-20 09:59:03,604 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-20 09:59:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-20 09:59:03,604 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-20 09:59:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-20 09:59:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2024-11-20 09:59:03,604 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2024-11-20 09:59:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-20 09:59:03,604 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-20 09:59:03,604 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 09:59:03,605 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 09:59:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 09:59:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-20 09:59:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-20 09:59:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 09:59:03,605 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 09:59:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 09:59:03,605 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 09:59:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-20 09:59:03,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-20 09:59:03,828 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 09:59:03,829 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 09:59:11,116 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-20 09:59:11,117 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 09:59:11,132 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 09:59:11,133 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-20 09:59:11,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:59:11 BoogieIcfgContainer [2024-11-20 09:59:11,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 09:59:11,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 09:59:11,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 09:59:11,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 09:59:11,139 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:59:01" (1/3) ... [2024-11-20 09:59:11,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e711bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:59:11, skipping insertion in model container [2024-11-20 09:59:11,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:59:03" (2/3) ... [2024-11-20 09:59:11,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e711bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:59:11, skipping insertion in model container [2024-11-20 09:59:11,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:59:11" (3/3) ... [2024-11-20 09:59:11,141 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness_negated.i [2024-11-20 09:59:11,153 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 09:59:11,153 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 09:59:11,206 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 09:59:11,212 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;@212a484d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 09:59:11,213 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 09:59:11,216 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) [2024-11-20 09:59:11,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-20 09:59:11,225 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 09:59:11,225 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] [2024-11-20 09:59:11,226 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 09:59:11,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 09:59:11,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1592615558, now seen corresponding path program 1 times [2024-11-20 09:59:11,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 09:59:11,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161517704] [2024-11-20 09:59:11,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 09:59:11,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:00:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:34,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:00:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:34,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 10:00:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:34,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:00:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:34,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-20 10:00:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:34,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 10:00:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:34,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:00:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:34,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:00:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:00:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-20 10:00:34,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:00:34,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161517704] [2024-11-20 10:00:34,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161517704] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:00:34,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:00:34,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 10:00:34,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1443687352] [2024-11-20 10:00:34,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:00:34,523 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 10:00:34,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:00:34,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 10:00:34,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 10:00:34,544 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) [2024-11-20 10:00:38,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:00:40,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:00:40,893 INFO L93 Difference]: Finished difference Result 328 states and 463 transitions. [2024-11-20 10:00:40,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 10:00:40,897 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 [2024-11-20 10:00:40,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:00:40,907 INFO L225 Difference]: With dead ends: 328 [2024-11-20 10:00:40,908 INFO L226 Difference]: Without dead ends: 173 [2024-11-20 10:00:40,916 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 [2024-11-20 10:00:40,918 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 92 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s 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, 6.2s IncrementalHoareTripleChecker+Time [2024-11-20 10:00:40,918 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 184 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-20 10:00:40,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-20 10:00:40,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 151. [2024-11-20 10:00:40,957 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) [2024-11-20 10:00:40,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 198 transitions. [2024-11-20 10:00:40,960 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 198 transitions. Word has length 53 [2024-11-20 10:00:40,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:00:40,961 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 198 transitions. [2024-11-20 10:00:40,961 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) [2024-11-20 10:00:40,961 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 198 transitions. [2024-11-20 10:00:40,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-20 10:00:40,963 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:00:40,963 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] [2024-11-20 10:00:40,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:00:40,964 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:00:40,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:00:40,964 INFO L85 PathProgramCache]: Analyzing trace with hash 409233217, now seen corresponding path program 1 times [2024-11-20 10:00:40,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:00:40,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596570479] [2024-11-20 10:00:40,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:00:40,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms