./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f 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 ../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_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 9a515264e984c16c779a7ffef20874cef8e4933de9530e4e358b0857516d7443 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:04:22,369 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:04:22,425 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:04:22,429 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:04:22,430 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:04:22,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:04:22,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:04:22,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:04:22,457 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:04:22,457 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:04:22,458 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:04:22,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:04:22,460 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:04:22,461 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:04:22,462 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:04:22,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:04:22,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:04:22,463 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:04:22,463 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:04:22,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:04:22,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:04:22,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:04:22,467 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:04:22,467 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:04:22,467 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:04:22,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:04:22,468 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:04:22,468 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:04:22,468 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:04:22,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:04:22,468 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:04:22,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:04:22,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:04:22,469 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:04:22,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:04:22,469 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:04:22,469 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:04:22,470 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:04:22,470 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:04:22,471 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a515264e984c16c779a7ffef20874cef8e4933de9530e4e358b0857516d7443 [2024-11-22 14:04:22,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:04:22,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:04:22,720 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:04:22,721 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:04:22,721 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:04:22,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness_negated.i [2024-11-22 14:04:24,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:04:24,406 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:04:24,406 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness_negated.i [2024-11-22 14:04:24,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca34e4901/42bec102e55d4398801300ad3f3e517f/FLAG0467618a3 [2024-11-22 14:04:24,441 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca34e4901/42bec102e55d4398801300ad3f3e517f [2024-11-22 14:04:24,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:04:24,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:04:24,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:04:24,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:04:24,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:04:24,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:04:24" (1/1) ... [2024-11-22 14:04:24,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@355349bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:24, skipping insertion in model container [2024-11-22 14:04:24,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:04:24" (1/1) ... [2024-11-22 14:04:24,550 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:04:24,824 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_clean_up_harness_negated.i[4495,4508] [2024-11-22 14:04:24,830 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_clean_up_harness_negated.i[4555,4568] [2024-11-22 14:04:25,283 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,283 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,284 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,284 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,285 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,297 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,298 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,299 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,300 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,690 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,693 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:04:25,793 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:04:25,808 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_clean_up_harness_negated.i[4495,4508] [2024-11-22 14:04:25,808 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_clean_up_harness_negated.i[4555,4568] [2024-11-22 14:04:25,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,845 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,848 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,849 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,852 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,956 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8061] [2024-11-22 14:04:25,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,958 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:04:25,969 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8547-8558] [2024-11-22 14:04:26,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:04:26,287 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:04:26,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26 WrapperNode [2024-11-22 14:04:26,291 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:04:26,292 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:04:26,292 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:04:26,292 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:04:26,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26" (1/1) ... [2024-11-22 14:04:26,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26" (1/1) ... [2024-11-22 14:04:26,440 INFO L138 Inliner]: procedures = 680, calls = 2500, calls flagged for inlining = 53, calls inlined = 4, statements flattened = 757 [2024-11-22 14:04:26,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:04:26,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:04:26,441 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:04:26,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:04:26,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26" (1/1) ... [2024-11-22 14:04:26,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26" (1/1) ... [2024-11-22 14:04:26,460 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26" (1/1) ... [2024-11-22 14:04:26,528 INFO L175 MemorySlicer]: Split 530 memory accesses to 5 slices as follows [2, 257, 238, 27, 6]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 495 writes are split as follows [0, 257, 232, 6, 0]. [2024-11-22 14:04:26,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26" (1/1) ... [2024-11-22 14:04:26,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26" (1/1) ... [2024-11-22 14:04:26,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26" (1/1) ... [2024-11-22 14:04:26,570 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26" (1/1) ... [2024-11-22 14:04:26,576 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26" (1/1) ... [2024-11-22 14:04:26,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26" (1/1) ... [2024-11-22 14:04:26,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:04:26,603 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:04:26,603 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:04:26,603 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:04:26,603 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26" (1/1) ... [2024-11-22 14:04:26,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:04:26,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:04:26,637 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) [2024-11-22 14:04:26,639 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 [2024-11-22 14:04:26,676 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_clean_up [2024-11-22 14:04:26,677 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_clean_up [2024-11-22 14:04:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-22 14:04:26,678 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-22 14:04:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-22 14:04:26,678 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:04:26,679 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:04:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:04:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:04:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:04:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:04:26,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:04:26,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:04:26,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:04:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:04:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:04:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:04:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:04:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:04:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:04:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:04:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:04:26,681 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:04:26,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:04:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:04:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:04:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:04:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:04:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-22 14:04:26,682 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-22 14:04:26,682 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:04:26,683 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:04:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-22 14:04:26,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-22 14:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-22 14:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-22 14:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-22 14:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-22 14:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:04:26,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:04:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:04:26,685 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:04:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:04:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:04:26,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:04:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:04:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:04:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:04:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:04:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:04:26,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:04:26,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:04:26,889 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:04:26,891 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:04:33,868 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-22 14:04:33,868 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:04:33,877 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:04:33,878 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 14:04:33,878 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:04:33 BoogieIcfgContainer [2024-11-22 14:04:33,878 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:04:33,880 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:04:33,880 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:04:33,882 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:04:33,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:04:24" (1/3) ... [2024-11-22 14:04:33,882 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d27540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:04:33, skipping insertion in model container [2024-11-22 14:04:33,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:04:26" (2/3) ... [2024-11-22 14:04:33,883 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72d27540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:04:33, skipping insertion in model container [2024-11-22 14:04:33,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:04:33" (3/3) ... [2024-11-22 14:04:33,884 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_harness_negated.i [2024-11-22 14:04:33,895 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:04:33,895 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:04:33,933 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:04:33,938 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;@575d06fc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:04:33,938 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:04:33,941 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 58 states have (on average 1.2413793103448276) internal successors, (72), 59 states have internal predecessors, (72), 16 states have call successors, (16), 8 states have call predecessors, (16), 8 states have return successors, (16), 16 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-22 14:04:33,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-22 14:04:33,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:04:33,949 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-22 14:04:33,949 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:04:33,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:04:33,953 INFO L85 PathProgramCache]: Analyzing trace with hash 2004625470, now seen corresponding path program 1 times [2024-11-22 14:04:33,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:04:33,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296793724] [2024-11-22 14:04:33,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:04:33,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:05:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:05:51,653 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-22 14:05:51,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:05:51,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296793724] [2024-11-22 14:05:51,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296793724] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:05:51,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223614936] [2024-11-22 14:05:51,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:05:51,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:05:51,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:05:51,685 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) [2024-11-22 14:05:51,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process