./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness.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.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 2645e4add29ef9adc891aaf11068209afc07e559232dc682f343d102e9e79145 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:43:22,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:43:22,480 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:43:22,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:43:22,495 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:43:22,519 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:43:22,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:43:22,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:43:22,520 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:43:22,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:43:22,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:43:22,522 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:43:22,524 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:43:22,525 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:43:22,527 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:43:22,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:43:22,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:43:22,528 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:43:22,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:43:22,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:43:22,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:43:22,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:43:22,529 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:43:22,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:43:22,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:43:22,530 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:43:22,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:43:22,531 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:43:22,531 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:43:22,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:43:22,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:43:22,532 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:43:22,532 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:43:22,533 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:43:22,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:43:22,534 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:43:22,534 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:43:22,534 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:43:22,534 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:43:22,534 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2645e4add29ef9adc891aaf11068209afc07e559232dc682f343d102e9e79145 [2024-11-16 19:43:22,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:43:22,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:43:22,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:43:22,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:43:22,846 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:43:22,848 INFO L431 ainManager$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.i [2024-11-16 19:43:24,434 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:43:25,017 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:43:25,021 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness.i [2024-11-16 19:43:25,067 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32bb5d462/09c41c43e62a4122b90028ca5b0f64c0/FLAG0f89ed09d [2024-11-16 19:43:25,098 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32bb5d462/09c41c43e62a4122b90028ca5b0f64c0 [2024-11-16 19:43:25,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:43:25,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:43:25,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:43:25,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:43:25,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:43:25,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:43:25" (1/1) ... [2024-11-16 19:43:25,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cafdaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:25, skipping insertion in model container [2024-11-16 19:43:25,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:43:25" (1/1) ... [2024-11-16 19:43:25,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:43:25,585 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.i[4501,4514] [2024-11-16 19:43:25,597 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.i[4561,4574] [2024-11-16 19:43:27,037 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:27,038 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:27,038 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:27,039 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:27,040 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:27,058 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:27,059 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:27,062 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:27,063 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,278 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,279 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,453 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,453 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:43:28,682 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:43:28,703 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.i[4501,4514] [2024-11-16 19:43:28,704 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.i[4561,4574] [2024-11-16 19:43:28,757 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,758 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,758 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,759 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,760 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,771 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,771 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,773 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,774 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,881 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,881 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8297] [2024-11-16 19:43:28,933 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,934 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:43:28,950 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8783-8794] [2024-11-16 19:43:28,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:43:29,241 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:43:29,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29 WrapperNode [2024-11-16 19:43:29,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:43:29,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:43:29,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:43:29,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:43:29,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29" (1/1) ... [2024-11-16 19:43:29,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29" (1/1) ... [2024-11-16 19:43:29,484 INFO L138 Inliner]: procedures = 680, calls = 2637, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1079 [2024-11-16 19:43:29,485 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:43:29,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:43:29,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:43:29,486 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:43:29,498 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29" (1/1) ... [2024-11-16 19:43:29,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29" (1/1) ... [2024-11-16 19:43:29,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29" (1/1) ... [2024-11-16 19:43:29,611 INFO L175 MemorySlicer]: Split 595 memory accesses to 9 slices as follows [2, 257, 5, 238, 4, 9, 8, 47, 25]. 43 percent of accesses are in the largest equivalence class. The 26 initializations are split as follows [2, 0, 1, 6, 2, 5, 4, 4, 2]. The 497 writes are split as follows [0, 257, 1, 232, 0, 1, 0, 5, 1]. [2024-11-16 19:43:29,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29" (1/1) ... [2024-11-16 19:43:29,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29" (1/1) ... [2024-11-16 19:43:29,655 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29" (1/1) ... [2024-11-16 19:43:29,658 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29" (1/1) ... [2024-11-16 19:43:29,685 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29" (1/1) ... [2024-11-16 19:43:29,702 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29" (1/1) ... [2024-11-16 19:43:29,730 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:43:29,732 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:43:29,732 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:43:29,734 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:43:29,735 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29" (1/1) ... [2024-11-16 19:43:29,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:43:29,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:43:29,839 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) [2024-11-16 19:43:29,842 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 19:43:29,894 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:43:29,895 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:43:29,895 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-16 19:43:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-16 19:43:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:43:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:43:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:43:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-16 19:43:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-16 19:43:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:43:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:43:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:43:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:43:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:43:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:43:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 19:43:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 19:43:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-16 19:43:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:43:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:43:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:43:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:43:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:43:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:43:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 19:43:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 19:43:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-16 19:43:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 19:43:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 19:43:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:43:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:43:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:43:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:43:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:43:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:43:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:43:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:43:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:43:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:43:29,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 19:43:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 19:43:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-16 19:43:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-16 19:43:29,902 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-16 19:43:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:43:29,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:43:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:43:29,902 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:43:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:43:29,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:43:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:43:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:43:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:43:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:43:29,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 19:43:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 19:43:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-16 19:43:29,905 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 19:43:29,905 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 19:43:29,906 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-16 19:43:29,906 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-16 19:43:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:43:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:43:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-16 19:43:29,907 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-16 19:43:29,907 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-16 19:43:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-16 19:43:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:43:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-16 19:43:29,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-16 19:43:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:43:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:43:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:43:29,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:43:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:43:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:43:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 19:43:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 19:43:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-16 19:43:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:43:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:43:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:43:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:43:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:43:29,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:43:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 19:43:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 19:43:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-16 19:43:29,910 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:43:29,910 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:43:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-16 19:43:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-16 19:43:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-16 19:43:29,912 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-16 19:43:29,912 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:43:29,913 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:43:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:43:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:43:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:43:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:43:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:43:29,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:43:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 19:43:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 19:43:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-16 19:43:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:43:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:43:29,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:43:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:43:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:43:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:43:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 19:43:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 19:43:29,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-16 19:43:30,327 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:43:30,330 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:43:30,382 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:43:30,423 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:43:30,452 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2024-11-16 19:43:30,473 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-16 19:43:30,536 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7405: 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 19:43:30,565 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:43:30,595 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2024-11-16 19:43:30,632 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7415: 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 19:43:30,642 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7348: havoc #t~ret656.base, #t~ret656.offset; [2024-11-16 19:43:30,677 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2024-11-16 19:43:39,587 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7962-2: havoc aws_byte_buf_append_dynamic_#t~ret911#1; [2024-11-16 19:43:39,587 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2603: havoc aws_add_size_saturating_#t~ret58#1; [2024-11-16 19:43:39,689 INFO L? ?]: Removed 141 outVars from TransFormulas that were not future-live. [2024-11-16 19:43:39,690 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:43:39,712 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:43:39,712 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:43:39,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:43:39 BoogieIcfgContainer [2024-11-16 19:43:39,712 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:43:39,718 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:43:39,718 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:43:39,721 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:43:39,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:43:25" (1/3) ... [2024-11-16 19:43:39,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8b47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:43:39, skipping insertion in model container [2024-11-16 19:43:39,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:43:29" (2/3) ... [2024-11-16 19:43:39,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8b47b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:43:39, skipping insertion in model container [2024-11-16 19:43:39,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:43:39" (3/3) ... [2024-11-16 19:43:39,725 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_dynamic_harness.i [2024-11-16 19:43:39,742 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:43:39,742 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:43:39,811 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:43:39,817 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;@2ed04d63, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:43:39,818 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:43:39,823 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 19:43:39,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-16 19:43:39,835 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:43:39,836 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 19:43:39,836 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:43:39,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:43:39,841 INFO L85 PathProgramCache]: Analyzing trace with hash -921402178, now seen corresponding path program 1 times [2024-11-16 19:43:39,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:43:39,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082558471] [2024-11-16 19:43:39,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:43:39,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:44:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:44:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-16 19:44:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:44:57,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 19:44:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 19:44:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 19:44:57,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 19:44:57,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 19:44:57,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 19:44:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-16 19:44:57,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-16 19:44:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-16 19:44:57,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:44:57,457 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 19:44:57,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:44:57,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082558471] [2024-11-16 19:44:57,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082558471] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:44:57,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:44:57,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 19:44:57,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [126324664] [2024-11-16 19:44:57,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:44:57,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 19:44:57,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:44:57,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 19:44:57,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:44:57,493 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)