./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 023d838f 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_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.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:46:59,652 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:46:59,712 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:46:59,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:46:59,720 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:46:59,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:46:59,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:46:59,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:46:59,751 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:46:59,752 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:46:59,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:46:59,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:46:59,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:46:59,753 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:46:59,754 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:46:59,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:46:59,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:46:59,755 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:46:59,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:46:59,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:46:59,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:46:59,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:46:59,757 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:46:59,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:46:59,757 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:46:59,757 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:46:59,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:46:59,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:46:59,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:46:59,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:46:59,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:46:59,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:46:59,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:46:59,759 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:46:59,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:46:59,760 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:46:59,760 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:46:59,762 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:46:59,762 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:46:59,762 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a515264e984c16c779a7ffef20874cef8e4933de9530e4e358b0857516d7443 [2024-11-10 10:47:00,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:47:00,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:47:00,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:47:00,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:47:00,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:47:00,042 INFO L431 ainManager$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 [2024-11-10 10:47:01,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:47:02,052 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:47:02,054 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_clean_up_harness_negated.i [2024-11-10 10:47:02,108 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/905b383c6/61ef790caee44ff49340afa8410bb1c3/FLAGb2b2a5fb5 [2024-11-10 10:47:02,126 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/905b383c6/61ef790caee44ff49340afa8410bb1c3 [2024-11-10 10:47:02,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:47:02,133 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:47:02,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:47:02,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:47:02,143 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:47:02,145 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:47:02" (1/1) ... [2024-11-10 10:47:02,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3385736c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:02, skipping insertion in model container [2024-11-10 10:47:02,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:47:02" (1/1) ... [2024-11-10 10:47:02,308 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:47:02,583 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_clean_up_harness_negated.i[4495,4508] [2024-11-10 10:47:02,592 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] [2024-11-10 10:47:03,194 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,195 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,195 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,196 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,197 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,209 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,210 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,212 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,212 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,768 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,768 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:47:03,902 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:47:03,918 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] [2024-11-10 10:47:03,918 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] [2024-11-10 10:47:03,971 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,972 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,973 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,974 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,974 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,981 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,982 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,983 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:03,985 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:04,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8061] [2024-11-10 10:47:04,154 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:04,154 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:47:04,167 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8547-8558] [2024-11-10 10:47:04,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:47:04,424 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:47:04,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04 WrapperNode [2024-11-10 10:47:04,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:47:04,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:47:04,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:47:04,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:47:04,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04" (1/1) ... [2024-11-10 10:47:04,532 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04" (1/1) ... [2024-11-10 10:47:04,601 INFO L138 Inliner]: procedures = 680, calls = 2500, calls flagged for inlining = 53, calls inlined = 4, statements flattened = 757 [2024-11-10 10:47:04,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:47:04,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:47:04,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:47:04,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:47:04,619 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04" (1/1) ... [2024-11-10 10:47:04,620 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04" (1/1) ... [2024-11-10 10:47:04,638 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04" (1/1) ... [2024-11-10 10:47:04,714 INFO L175 MemorySlicer]: Split 530 memory accesses to 5 slices as follows [2, 257, 238, 6, 27]. 48 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 495 writes are split as follows [0, 257, 232, 0, 6]. [2024-11-10 10:47:04,718 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04" (1/1) ... [2024-11-10 10:47:04,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04" (1/1) ... [2024-11-10 10:47:04,760 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04" (1/1) ... [2024-11-10 10:47:04,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04" (1/1) ... [2024-11-10 10:47:04,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04" (1/1) ... [2024-11-10 10:47:04,784 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04" (1/1) ... [2024-11-10 10:47:04,801 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:47:04,803 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:47:04,803 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:47:04,804 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:47:04,805 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04" (1/1) ... [2024-11-10 10:47:04,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:47:04,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:47:04,839 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) [2024-11-10 10:47:04,845 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 [2024-11-10 10:47:04,888 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_clean_up [2024-11-10 10:47:04,889 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_clean_up [2024-11-10 10:47:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 10:47:04,889 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 10:47:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:47:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:47:04,889 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:47:04,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:47:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:47:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:47:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:47:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:47:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:47:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:47:04,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:47:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:47:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:47:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:47:04,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:47:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:47:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:47:04,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:47:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:47:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:47:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:47:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:47:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:47:04,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:47:04,892 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:47:04,893 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:47:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:47:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:47:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:47:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:47:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:47:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-10 10:47:04,893 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-10 10:47:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:47:04,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:47:04,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:47:04,894 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:47:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:47:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:47:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:47:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:47:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:47:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:47:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:47:04,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:47:05,245 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:47:05,248 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:47:05,288 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6868: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:47:05,379 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7169: havoc #t~mem620;havoc #t~mem621;havoc #t~short622;havoc #t~mem623.base, #t~mem623.offset;havoc #t~short624;havoc #t~mem625;havoc #t~mem626;havoc #t~mem627;havoc #t~short628;havoc #t~mem629;havoc #t~mem630.base, #t~mem630.offset;havoc #t~short631;havoc #t~short632;havoc #t~short633;havoc #t~short634; [2024-11-10 10:47:05,391 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:47:13,091 INFO L? ?]: Removed 48 outVars from TransFormulas that were not future-live. [2024-11-10 10:47:13,092 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:47:13,106 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:47:13,106 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:47:13,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:47:13 BoogieIcfgContainer [2024-11-10 10:47:13,107 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:47:13,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:47:13,111 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:47:13,114 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:47:13,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:47:02" (1/3) ... [2024-11-10 10:47:13,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7153c8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:47:13, skipping insertion in model container [2024-11-10 10:47:13,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:47:04" (2/3) ... [2024-11-10 10:47:13,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7153c8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:47:13, skipping insertion in model container [2024-11-10 10:47:13,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:47:13" (3/3) ... [2024-11-10 10:47:13,118 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_clean_up_harness_negated.i [2024-11-10 10:47:13,133 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:47:13,133 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:47:13,193 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:47:13,199 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;@1de5b323, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:47:13,199 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:47:13,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 60 states have internal predecessors, (73), 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) [2024-11-10 10:47:13,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-10 10:47:13,211 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:47:13,212 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] [2024-11-10 10:47:13,212 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:47:13,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:47:13,217 INFO L85 PathProgramCache]: Analyzing trace with hash -197621076, now seen corresponding path program 1 times [2024-11-10 10:47:13,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:47:13,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667823609] [2024-11-10 10:47:13,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:47:13,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:48:30,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:48:31,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:48:31,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:48:31,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 10:48:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:48:31,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:48:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:48:31,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 10:48:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:48:31,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 10:48:31,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:48:31,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 10:48:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:48:31,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:48:31,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:48:31,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 10:48:31,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:48:31,889 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-10 10:48:31,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:48:31,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667823609] [2024-11-10 10:48:31,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667823609] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:48:31,890 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:48:31,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 10:48:31,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771999345] [2024-11-10 10:48:31,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:48:31,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 10:48:31,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:48:31,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 10:48:31,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:48:31,926 INFO L87 Difference]: Start difference. First operand has 85 states, 59 states have (on average 1.2372881355932204) internal successors, (73), 60 states have internal predecessors, (73), 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) Second operand has 4 states, 4 states have (on average 7.25) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (9), 4 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 10:48:36,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:48:40,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.55s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []