./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 8be7027f 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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:42:44,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:42:44,625 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:42:44,636 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:42:44,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:42:44,655 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:42:44,656 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:42:44,656 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:42:44,657 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:42:44,657 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:42:44,657 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:42:44,657 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:42:44,658 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:42:44,659 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:42:44,659 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:42:44,659 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:42:44,660 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:42:44,660 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:42:44,660 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:42:44,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:42:44,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:42:44,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:42:44,666 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:42:44,667 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:42:44,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:42:44,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:42:44,668 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:42:44,668 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:42:44,668 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:42:44,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:42:44,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:42:44,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:42:44,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:42:44,670 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:42:44,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:42:44,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:42:44,671 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:42:44,671 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:42:44,672 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:42:44,672 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 [2024-11-12 08:42:44,941 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:42:44,971 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:42:44,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:42:44,977 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:42:44,978 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:42:44,979 INFO L431 ainManager$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 [2024-11-12 08:42:46,513 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:42:47,006 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:42:47,008 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2024-11-12 08:42:47,063 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618de54cb/adbe5b5da85b4414a62c65057e2f174b/FLAG0624f41d4 [2024-11-12 08:42:47,081 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/618de54cb/adbe5b5da85b4414a62c65057e2f174b [2024-11-12 08:42:47,085 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:42:47,086 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:42:47,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:42:47,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:42:47,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:42:47,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:42:47" (1/1) ... [2024-11-12 08:42:47,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@238c27d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:47, skipping insertion in model container [2024-11-12 08:42:47,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:42:47" (1/1) ... [2024-11-12 08:42:47,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:42:47,596 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] [2024-11-12 08:42:47,608 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] [2024-11-12 08:42:48,798 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:48,803 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:48,803 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:48,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:48,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:48,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:48,826 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:48,828 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:48,829 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,329 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,424 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,424 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:42:49,566 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:42:49,583 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] [2024-11-12 08:42:49,584 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] [2024-11-12 08:42:49,636 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,637 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,637 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,638 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,638 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,644 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,645 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,646 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,739 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,740 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,804 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8283] [2024-11-12 08:42:49,806 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,806 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:42:49,818 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8769-8780] [2024-11-12 08:42:49,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:42:50,193 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:42:50,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50 WrapperNode [2024-11-12 08:42:50,194 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:42:50,195 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:42:50,195 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:42:50,195 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:42:50,213 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50" (1/1) ... [2024-11-12 08:42:50,362 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50" (1/1) ... [2024-11-12 08:42:50,456 INFO L138 Inliner]: procedures = 681, calls = 2620, calls flagged for inlining = 59, calls inlined = 10, statements flattened = 969 [2024-11-12 08:42:50,460 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:42:50,461 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:42:50,461 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:42:50,461 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:42:50,474 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50" (1/1) ... [2024-11-12 08:42:50,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50" (1/1) ... [2024-11-12 08:42:50,484 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50" (1/1) ... [2024-11-12 08:42:50,551 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-12 08:42:50,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50" (1/1) ... [2024-11-12 08:42:50,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50" (1/1) ... [2024-11-12 08:42:50,600 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50" (1/1) ... [2024-11-12 08:42:50,609 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50" (1/1) ... [2024-11-12 08:42:50,622 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50" (1/1) ... [2024-11-12 08:42:50,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50" (1/1) ... [2024-11-12 08:42:50,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:42:50,656 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:42:50,656 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:42:50,656 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:42:50,657 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50" (1/1) ... [2024-11-12 08:42:50,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:42:50,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:42:50,696 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) [2024-11-12 08:42:50,701 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 [2024-11-12 08:42:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-12 08:42:50,754 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-12 08:42:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:42:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:42:50,756 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:42:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-12 08:42:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-12 08:42:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:42:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:42:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:42:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:42:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:42:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:42:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-12 08:42:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:42:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:42:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:42:50,757 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:42:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-12 08:42:50,758 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-12 08:42:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-12 08:42:50,758 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-12 08:42:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-12 08:42:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2024-11-12 08:42:50,758 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2024-11-12 08:42:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-12 08:42:50,758 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-12 08:42:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:42:50,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:42:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:42:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-12 08:42:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-12 08:42:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:42:50,759 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:42:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 08:42:50,759 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 08:42:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-12 08:42:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-12 08:42:51,017 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:42:51,020 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:42:59,478 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-12 08:42:59,478 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:42:59,493 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:42:59,495 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-12 08:42:59,495 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:42:59 BoogieIcfgContainer [2024-11-12 08:42:59,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:42:59,498 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:42:59,498 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:42:59,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:42:59,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:42:47" (1/3) ... [2024-11-12 08:42:59,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ac2606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:42:59, skipping insertion in model container [2024-11-12 08:42:59,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:42:50" (2/3) ... [2024-11-12 08:42:59,504 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63ac2606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:42:59, skipping insertion in model container [2024-11-12 08:42:59,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:42:59" (3/3) ... [2024-11-12 08:42:59,505 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness_negated.i [2024-11-12 08:42:59,521 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:42:59,522 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:42:59,596 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:42:59,602 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;@6a026b5c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:42:59,602 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:42:59,606 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) [2024-11-12 08:42:59,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-12 08:42:59,613 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:42:59,614 INFO L218 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] [2024-11-12 08:42:59,615 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:42:59,620 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:42:59,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1592615558, now seen corresponding path program 1 times [2024-11-12 08:42:59,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:42:59,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20616436] [2024-11-12 08:42:59,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:42:59,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:44:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:15,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:44:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:16,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-12 08:44:16,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:16,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:44:16,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:16,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 08:44:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:16,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 08:44:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:16,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:44:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:16,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:44:16,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:44:16,125 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-12 08:44:16,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:44:16,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20616436] [2024-11-12 08:44:16,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20616436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:44:16,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:44:16,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 08:44:16,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461203656] [2024-11-12 08:44:16,129 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:44:16,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 08:44:16,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:44:16,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 08:44:16,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 08:44:16,159 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) [2024-11-12 08:44:20,396 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-12 08:44:22,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:44:22,539 INFO L93 Difference]: Finished difference Result 328 states and 463 transitions. [2024-11-12 08:44:22,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 08:44:22,543 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 [2024-11-12 08:44:22,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:44:22,558 INFO L225 Difference]: With dead ends: 328 [2024-11-12 08:44:22,558 INFO L226 Difference]: Without dead ends: 173 [2024-11-12 08:44:22,563 INFO L434 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 [2024-11-12 08:44:22,567 INFO L435 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, 6.3s IncrementalHoareTripleChecker+Time [2024-11-12 08:44:22,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 184 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-12 08:44:22,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-12 08:44:22,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 151. [2024-11-12 08:44:22,638 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) [2024-11-12 08:44:22,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 198 transitions. [2024-11-12 08:44:22,645 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 198 transitions. Word has length 53 [2024-11-12 08:44:22,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:44:22,647 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 198 transitions. [2024-11-12 08:44:22,648 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) [2024-11-12 08:44:22,648 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 198 transitions. [2024-11-12 08:44:22,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-12 08:44:22,652 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:44:22,654 INFO L218 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] [2024-11-12 08:44:22,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:44:22,655 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:44:22,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:44:22,656 INFO L85 PathProgramCache]: Analyzing trace with hash 409233217, now seen corresponding path program 1 times [2024-11-12 08:44:22,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:44:22,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009644997] [2024-11-12 08:44:22,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:44:22,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms