./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_relative_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 159e2e7d83d3b6b4cf1f3ed2869e7b3577187883e3957f87f67106f5f6570745 --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:41:47,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:41:47,887 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:41:47,893 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:41:47,896 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:41:47,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:41:47,917 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:41:47,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:41:47,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:41:47,918 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:41:47,918 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:41:47,919 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:41:47,919 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:41:47,919 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:41:47,919 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:41:47,919 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:41:47,920 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:41:47,920 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:41:47,920 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:41:47,920 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:41:47,920 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:41:47,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:41:47,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:41:47,920 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:41:47,920 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:41:47,920 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:41:47,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:41:47,920 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:41:47,921 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:41:47,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:41:47,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:41:47,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:41:47,921 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:41:47,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:41:47,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:41:47,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:41:47,921 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:41:47,921 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:41:47,922 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:41:47,922 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:41:47,922 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 159e2e7d83d3b6b4cf1f3ed2869e7b3577187883e3957f87f67106f5f6570745 [2025-03-04 02:41:48,133 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:41:48,138 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:41:48,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:41:48,142 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:41:48,142 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:41:48,143 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2025-03-04 02:41:49,237 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e7f7a55/38d6c13e6c314b20a22d36d0ffa63db1/FLAGbde4acfcc [2025-03-04 02:41:49,639 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:41:49,639 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2025-03-04 02:41:49,666 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e7f7a55/38d6c13e6c314b20a22d36d0ffa63db1/FLAGbde4acfcc [2025-03-04 02:41:49,797 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/51e7f7a55/38d6c13e6c314b20a22d36d0ffa63db1 [2025-03-04 02:41:49,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:41:49,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:41:49,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:41:49,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:41:49,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:41:49,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:41:49" (1/1) ... [2025-03-04 02:41:49,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ba063f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:49, skipping insertion in model container [2025-03-04 02:41:49,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:41:49" (1/1) ... [2025-03-04 02:41:49,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:41:50,085 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_relative_harness_negated.i[4503,4516] [2025-03-04 02:41:50,092 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_relative_harness_negated.i[4563,4576] [2025-03-04 02:41:50,568 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:50,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:50,569 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:50,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:50,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:50,579 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:50,579 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:50,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:50,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:50,912 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:50,912 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:50,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:50,970 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:41:51,059 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:41:51,068 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_relative_harness_negated.i[4503,4516] [2025-03-04 02:41:51,068 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_relative_harness_negated.i[4563,4576] [2025-03-04 02:41:51,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,098 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,099 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,100 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,107 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,108 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,208 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,241 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8085] [2025-03-04 02:41:51,243 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,243 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:41:51,256 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8571-8582] [2025-03-04 02:41:51,270 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:41:51,418 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:41:51,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51 WrapperNode [2025-03-04 02:41:51,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:41:51,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:41:51,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:41:51,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:41:51,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51" (1/1) ... [2025-03-04 02:41:51,477 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51" (1/1) ... [2025-03-04 02:41:51,528 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1020 [2025-03-04 02:41:51,528 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:41:51,529 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:41:51,529 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:41:51,529 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:41:51,536 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51" (1/1) ... [2025-03-04 02:41:51,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51" (1/1) ... [2025-03-04 02:41:51,545 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51" (1/1) ... [2025-03-04 02:41:51,574 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-04 02:41:51,574 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51" (1/1) ... [2025-03-04 02:41:51,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51" (1/1) ... [2025-03-04 02:41:51,605 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51" (1/1) ... [2025-03-04 02:41:51,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51" (1/1) ... [2025-03-04 02:41:51,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51" (1/1) ... [2025-03-04 02:41:51,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51" (1/1) ... [2025-03-04 02:41:51,625 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:41:51,625 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:41:51,625 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:41:51,625 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:41:51,626 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51" (1/1) ... [2025-03-04 02:41:51,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:41:51,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:41:51,653 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) [2025-03-04 02:41:51,658 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 [2025-03-04 02:41:51,672 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-04 02:41:51,673 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:41:51,673 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:41:51,673 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:41:51,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:41:51,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:41:51,673 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2025-03-04 02:41:51,673 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-04 02:41:51,673 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-04 02:41:51,674 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-04 02:41:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:41:51,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:41:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:41:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 02:41:51,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 02:41:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-04 02:41:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-04 02:41:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:41:51,674 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:41:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 02:41:51,674 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 02:41:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-04 02:41:51,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-04 02:41:51,871 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:41:51,873 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:41:51,907 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:41:51,949 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7193: havoc #t~mem622;havoc #t~mem623;havoc #t~short624;havoc #t~mem625.base, #t~mem625.offset;havoc #t~short626;havoc #t~mem627;havoc #t~mem628;havoc #t~mem629;havoc #t~short630;havoc #t~mem631;havoc #t~mem632.base, #t~mem632.offset;havoc #t~short633;havoc #t~short634;havoc #t~short635;havoc #t~short636; [2025-03-04 02:41:51,954 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:41:52,025 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6898: havoc #t~ret565#1.base, #t~ret565#1.offset; [2025-03-04 02:41:52,025 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret566#1;havoc #t~ite568#1.base, #t~ite568#1.offset;havoc #t~realloc~res567#1.base, #t~realloc~res567#1.offset; [2025-03-04 02:41:52,025 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L268: havoc nondet_voidp_#t~nondet11#1; [2025-03-04 02:41:52,036 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 02:41:58,542 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7856-2: havoc aws_byte_buf_reserve_relative_#t~ret912#1; [2025-03-04 02:41:58,542 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7865: havoc aws_byte_buf_reserve_relative_#t~mem918#1;havoc aws_byte_buf_reserve_relative_#t~ret919#1;call ULTIMATE.dealloc(aws_byte_buf_reserve_relative_~#requested_capacity~0#1.base, aws_byte_buf_reserve_relative_~#requested_capacity~0#1.offset);havoc aws_byte_buf_reserve_relative_~#requested_capacity~0#1.base, aws_byte_buf_reserve_relative_~#requested_capacity~0#1.offset; [2025-03-04 02:41:58,543 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7857-2: havoc aws_byte_buf_reserve_relative_#t~ret914#1; [2025-03-04 02:41:58,543 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6594: havoc aws_byte_buf_has_allocator_#t~mem479#1.base, aws_byte_buf_has_allocator_#t~mem479#1.offset;havoc aws_byte_buf_has_allocator_#t~ret478#1.base, aws_byte_buf_has_allocator_#t~ret478#1.offset; [2025-03-04 02:41:58,543 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:41:58,543 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7076: havoc aws_mem_realloc_#t~ret593#1; [2025-03-04 02:41:58,543 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7836-2: havoc aws_byte_buf_reserve_#t~ret901#1; [2025-03-04 02:41:58,543 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7837-2: havoc aws_byte_buf_reserve_#t~ret903#1; [2025-03-04 02:41:58,649 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2025-03-04 02:41:58,649 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:41:58,658 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:41:58,659 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:41:58,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:41:58 BoogieIcfgContainer [2025-03-04 02:41:58,660 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:41:58,661 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:41:58,661 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:41:58,664 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:41:58,664 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:41:49" (1/3) ... [2025-03-04 02:41:58,665 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2fda71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:41:58, skipping insertion in model container [2025-03-04 02:41:58,665 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:41:51" (2/3) ... [2025-03-04 02:41:58,666 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f2fda71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:41:58, skipping insertion in model container [2025-03-04 02:41:58,666 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:41:58" (3/3) ... [2025-03-04 02:41:58,667 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness_negated.i [2025-03-04 02:41:58,678 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:41:58,679 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_reserve_relative_harness_negated.i that has 12 procedures, 162 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-03-04 02:41:58,739 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:41:58,749 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;@5f93605c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:41:58,749 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:41:58,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 162 states, 113 states have (on average 1.3097345132743363) internal successors, (148), 112 states have internal predecessors, (148), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2025-03-04 02:41:58,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2025-03-04 02:41:58,759 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:41:58,759 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] [2025-03-04 02:41:58,759 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:41:58,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:41:58,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1176558587, now seen corresponding path program 1 times [2025-03-04 02:41:58,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:41:58,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946496586] [2025-03-04 02:41:58,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:41:58,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:43:02,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-03-04 02:43:02,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-03-04 02:43:02,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:43:02,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:43:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-03-04 02:43:03,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:43:03,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946496586] [2025-03-04 02:43:03,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946496586] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:43:03,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402732162] [2025-03-04 02:43:03,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:43:03,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:43:03,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:43:03,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:43:03,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process