./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_append_dynamic_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 70fdf4888600bb48b8cb4af60c2a43959940f60808ef921b3b5f10a980e62d04 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:43:25,164 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:43:25,250 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:43:25,256 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:43:25,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:43:25,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:43:25,295 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:43:25,296 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:43:25,297 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:43:25,298 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:43:25,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:43:25,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:43:25,300 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:43:25,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:43:25,301 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:43:25,302 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:43:25,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:43:25,304 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:43:25,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:43:25,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:43:25,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:43:25,306 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:43:25,306 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:43:25,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:43:25,307 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:43:25,307 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:43:25,307 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:43:25,308 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:43:25,308 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:43:25,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:43:25,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:43:25,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:43:25,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:43:25,309 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:43:25,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:43:25,310 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:43:25,310 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:43:25,310 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:43:25,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:43:25,311 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70fdf4888600bb48b8cb4af60c2a43959940f60808ef921b3b5f10a980e62d04 [2024-11-16 19:43:25,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:43:25,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:43:25,645 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:43:25,647 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:43:25,649 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:43:25,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i [2024-11-16 19:43:27,229 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:43:27,806 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:43:27,807 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i [2024-11-16 19:43:27,860 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaca9e4c3/b9c06ecd2b1e471e8ac791bb452cb2b8/FLAG99a8cb1ad [2024-11-16 19:43:27,880 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eaca9e4c3/b9c06ecd2b1e471e8ac791bb452cb2b8 [2024-11-16 19:43:27,884 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:43:27,888 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:43:27,890 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:43:27,891 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:43:27,897 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:43:27,898 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:43:27" (1/1) ... [2024-11-16 19:43:27,899 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bb00659 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:27, skipping insertion in model container [2024-11-16 19:43:27,899 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:43:27" (1/1) ... [2024-11-16 19:43:27,998 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:43:28,367 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_append_dynamic_harness_negated.i[4501,4514] [2024-11-16 19:43:28,377 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_append_dynamic_harness_negated.i[4561,4574] [2024-11-16 19:43:29,790 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:29,795 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:29,796 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:29,797 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:29,799 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:29,813 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:29,814 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:29,816 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:29,817 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,443 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,444 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,553 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,554 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:43:30,720 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:43:30,738 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_append_dynamic_harness_negated.i[4501,4514] [2024-11-16 19:43:30,739 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_append_dynamic_harness_negated.i[4561,4574] [2024-11-16 19:43:30,776 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,777 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,777 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,778 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,778 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,784 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,785 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,786 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,786 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,895 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,896 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,952 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2024-11-16 19:43:30,954 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,955 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:30,973 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2024-11-16 19:43:30,995 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:43:31,238 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:43:31,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31 WrapperNode [2024-11-16 19:43:31,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:43:31,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:43:31,241 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:43:31,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:43:31,277 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31" (1/1) ... [2024-11-16 19:43:31,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31" (1/1) ... [2024-11-16 19:43:31,455 INFO L138 Inliner]: procedures = 680, calls = 2637, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1079 [2024-11-16 19:43:31,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:43:31,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:43:31,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:43:31,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:43:31,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31" (1/1) ... [2024-11-16 19:43:31,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31" (1/1) ... [2024-11-16 19:43:31,484 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31" (1/1) ... [2024-11-16 19:43:31,586 INFO L175 MemorySlicer]: Split 595 memory accesses to 9 slices as follows [257, 2, 238, 9, 47, 8, 4, 25, 5]. 43 percent of accesses are in the largest equivalence class. The 26 initializations are split as follows [0, 2, 6, 5, 4, 4, 2, 2, 1]. The 497 writes are split as follows [257, 0, 232, 1, 5, 0, 0, 1, 1]. [2024-11-16 19:43:31,586 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31" (1/1) ... [2024-11-16 19:43:31,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31" (1/1) ... [2024-11-16 19:43:31,649 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31" (1/1) ... [2024-11-16 19:43:31,656 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31" (1/1) ... [2024-11-16 19:43:31,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31" (1/1) ... [2024-11-16 19:43:31,686 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31" (1/1) ... [2024-11-16 19:43:31,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:43:31,710 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:43:31,710 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:43:31,712 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:43:31,713 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31" (1/1) ... [2024-11-16 19:43:31,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:43:31,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:43:31,748 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) [2024-11-16 19:43:31,753 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 [2024-11-16 19:43:31,804 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:43:31,807 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:43:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-16 19:43:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-16 19:43:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:43:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:43:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:43:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-16 19:43:31,808 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-16 19:43:31,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:43:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:43:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:43:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:43:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:43:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:43:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 19:43:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 19:43:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-16 19:43:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:43:31,809 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:43:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:43:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:43:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:43:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:43:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 19:43:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 19:43:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 19:43:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 19:43:31,810 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 19:43:31,810 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:43:31,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:43:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:43:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:43:31,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:43:31,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:43:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:43:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:43:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:43:31,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:43:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 19:43:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 19:43:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-16 19:43:31,815 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-16 19:43:31,815 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-16 19:43:31,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:43:31,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:43:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:43:31,817 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:43:31,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:43:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:43:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:43:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:43:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:43:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:43:31,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 19:43:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 19:43:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-16 19:43:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 19:43:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 19:43:31,819 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-16 19:43:31,819 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-16 19:43:31,820 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:43:31,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:43:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-16 19:43:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-16 19:43:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-16 19:43:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-16 19:43:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:43:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-16 19:43:31,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-16 19:43:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:43:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:43:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:43:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:43:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:43:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:43:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 19:43:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 19:43:31,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-16 19:43:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:43:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:43:31,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:43:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:43:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:43:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:43:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 19:43:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 19:43:31,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-16 19:43:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:43:31,825 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:43:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-16 19:43:31,825 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-16 19:43:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-16 19:43:31,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-16 19:43:31,825 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:43:31,826 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:43:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:43:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:43:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:43:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:43:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:43:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:43:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 19:43:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 19:43:31,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 19:43:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:43:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:43:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:43:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:43:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:43:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:43:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 19:43:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 19:43:31,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 19:43:32,215 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:43:32,218 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:43:32,260 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:43:32,283 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:43:32,317 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2024-11-16 19:43:32,342 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-16 19:43:32,400 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2024-11-16 19:43:32,424 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:43:32,445 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: havoc #t~ret569.base, #t~ret569.offset; [2024-11-16 19:43:32,487 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7383: havoc #t~mem696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~mem700;havoc #t~mem701.base, #t~mem701.offset;havoc #t~short702;havoc #t~short703;havoc #t~short704;havoc #t~short705; [2024-11-16 19:43:32,498 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7316: havoc #t~ret656.base, #t~ret656.offset; [2024-11-16 19:43:32,517 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2024-11-16 19:43:41,188 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7930-2: havoc aws_byte_buf_append_dynamic_#t~ret911#1; [2024-11-16 19:43:41,188 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2603: havoc aws_add_size_saturating_#t~ret58#1; [2024-11-16 19:43:41,302 INFO L? ?]: Removed 141 outVars from TransFormulas that were not future-live. [2024-11-16 19:43:41,302 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:43:41,319 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:43:41,319 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:43:41,320 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:43:41 BoogieIcfgContainer [2024-11-16 19:43:41,320 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:43:41,322 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:43:41,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:43:41,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:43:41,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:43:27" (1/3) ... [2024-11-16 19:43:41,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fb0a992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:43:41, skipping insertion in model container [2024-11-16 19:43:41,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:31" (2/3) ... [2024-11-16 19:43:41,329 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fb0a992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:43:41, skipping insertion in model container [2024-11-16 19:43:41,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:43:41" (3/3) ... [2024-11-16 19:43:41,331 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_dynamic_harness_negated.i [2024-11-16 19:43:41,346 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:43:41,346 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:43:41,424 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:43:41,430 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;@1fb39e31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:43:41,432 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:43:41,438 INFO L276 IsEmpty]: Start isEmpty. Operand has 249 states, 157 states have (on average 1.2356687898089171) internal successors, (194), 158 states have internal predecessors, (194), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-16 19:43:41,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-16 19:43:41,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:43:41,453 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:43:41,453 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:43:41,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:43:41,459 INFO L85 PathProgramCache]: Analyzing trace with hash -921402178, now seen corresponding path program 1 times [2024-11-16 19:43:41,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:43:41,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593458732] [2024-11-16 19:43:41,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:43:41,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:44:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:44:57,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 19:44:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:44:57,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 19:44:57,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 19:44:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 19:44:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 19:44:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 19:44:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 19:44:57,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 19:44:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 19:44:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 19:44:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,438 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-16 19:44:57,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:44:57,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1593458732] [2024-11-16 19:44:57,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1593458732] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:44:57,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:44:57,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 19:44:57,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023935114] [2024-11-16 19:44:57,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:44:57,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 19:44:57,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:44:57,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 19:44:57,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:44:57,480 INFO L87 Difference]: Start difference. First operand has 249 states, 157 states have (on average 1.2356687898089171) internal successors, (194), 158 states have internal predecessors, (194), 72 states have call successors, (72), 18 states have call predecessors, (72), 18 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (13), 3 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-16 19:45:01,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []