./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 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_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-023d838-m [2024-11-10 10:46:24,766 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:46:24,842 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:46:24,848 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:46:24,849 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:46:24,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:46:24,882 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:46:24,882 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:46:24,883 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:46:24,884 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:46:24,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:46:24,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:46:24,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:46:24,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:46:24,888 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:46:24,889 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:46:24,889 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:46:24,889 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:46:24,889 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:46:24,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:46:24,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:46:24,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:46:24,895 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:46:24,895 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:46:24,895 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:46:24,895 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:46:24,896 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:46:24,896 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:46:24,896 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:46:24,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:46:24,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:46:24,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:46:24,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:46:24,897 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:46:24,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:46:24,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:46:24,898 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:46:24,898 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:46:24,899 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:46:24,900 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70fdf4888600bb48b8cb4af60c2a43959940f60808ef921b3b5f10a980e62d04 [2024-11-10 10:46:25,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:46:25,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:46:25,253 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:46:25,255 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:46:25,256 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:46:25,257 INFO L431 ainManager$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 [2024-11-10 10:46:26,752 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:46:27,235 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:46:27,236 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_dynamic_harness_negated.i [2024-11-10 10:46:27,277 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b405e7e94/70a2e08adea148219434648ec7ed6383/FLAGb1ad72c86 [2024-11-10 10:46:27,343 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b405e7e94/70a2e08adea148219434648ec7ed6383 [2024-11-10 10:46:27,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:46:27,348 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:46:27,349 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:46:27,350 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:46:27,356 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:46:27,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:46:27" (1/1) ... [2024-11-10 10:46:27,357 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51e07ac3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:27, skipping insertion in model container [2024-11-10 10:46:27,358 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:46:27" (1/1) ... [2024-11-10 10:46:27,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:46:27,835 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] [2024-11-10 10:46:27,848 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] [2024-11-10 10:46:28,819 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:28,820 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:28,820 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:28,821 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:28,824 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:28,842 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:28,845 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:28,850 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:28,851 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,362 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,363 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,466 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,466 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:46:29,596 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:46:29,612 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] [2024-11-10 10:46:29,613 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] [2024-11-10 10:46:29,657 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,658 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,659 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,659 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,659 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,667 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,668 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,669 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,669 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,760 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,761 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,809 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2024-11-10 10:46:29,811 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,812 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:46:29,827 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2024-11-10 10:46:29,892 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:46:30,155 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:46:30,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30 WrapperNode [2024-11-10 10:46:30,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:46:30,158 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:46:30,158 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:46:30,158 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:46:30,166 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2024-11-10 10:46:30,280 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2024-11-10 10:46:30,385 INFO L138 Inliner]: procedures = 680, calls = 2637, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1079 [2024-11-10 10:46:30,386 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:46:30,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:46:30,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:46:30,387 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:46:30,397 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2024-11-10 10:46:30,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2024-11-10 10:46:30,410 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2024-11-10 10:46:30,505 INFO L175 MemorySlicer]: Split 595 memory accesses to 9 slices as follows [257, 2, 238, 5, 47, 25, 9, 8, 4]. 43 percent of accesses are in the largest equivalence class. The 26 initializations are split as follows [0, 2, 6, 1, 4, 2, 5, 4, 2]. The 497 writes are split as follows [257, 0, 232, 1, 5, 1, 1, 0, 0]. [2024-11-10 10:46:30,505 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2024-11-10 10:46:30,506 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2024-11-10 10:46:30,561 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2024-11-10 10:46:30,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2024-11-10 10:46:30,574 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2024-11-10 10:46:30,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2024-11-10 10:46:30,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:46:30,605 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:46:30,608 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:46:30,608 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:46:30,609 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (1/1) ... [2024-11-10 10:46:30,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:46:30,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:46:30,712 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 10:46:30,727 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 10:46:30,814 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 10:46:30,814 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 10:46:30,815 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-10 10:46:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-10 10:46:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:46:30,819 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:46:30,819 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-10 10:46:30,820 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:46:30,820 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:46:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:46:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:46:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:46:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-10 10:46:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-10 10:46:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 10:46:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 10:46:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:46:30,821 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:46:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:46:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:46:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:46:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:46:30,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:46:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:46:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:46:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:46:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 10:46:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-10 10:46:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-10 10:46:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-10 10:46:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-10 10:46:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:46:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:46:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:46:30,822 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:46:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:46:30,822 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:46:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:46:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:46:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:46:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:46:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 10:46:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-10 10:46:30,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-10 10:46:30,828 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 10:46:30,828 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 10:46:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-10 10:46:30,829 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-10 10:46:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:46:30,829 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:46:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-10 10:46:30,829 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-10 10:46:30,829 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-10 10:46:30,830 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-10 10:46:30,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:46:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-10 10:46:30,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-10 10:46:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:46:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:46:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:46:30,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:46:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:46:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:46:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 10:46:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-10 10:46:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-10 10:46:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:46:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:46:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:46:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:46:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:46:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:46:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:46:30,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-10 10:46:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-10 10:46:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:46:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:46:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-10 10:46:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-10 10:46:30,835 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-10 10:46:30,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-10 10:46:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 10:46:30,836 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 10:46:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:46:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:46:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:46:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:46:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:46:30,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:46:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:46:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-10 10:46:30,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-10 10:46:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:46:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:46:30,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:46:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:46:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:46:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:46:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:46:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-10 10:46:30,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-10 10:46:31,217 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:46:31,220 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:46:31,264 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:46:31,300 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 10:46:31,348 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc nondet_uint8_t_#t~nondet10#1; [2024-11-10 10:46:31,367 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-10 10:46:31,413 INFO L1247 $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; [2024-11-10 10:46:31,429 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:46:31,445 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6913: havoc #t~ret569.base, #t~ret569.offset; [2024-11-10 10:46:31,482 INFO L1247 $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; [2024-11-10 10:46:31,498 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7316: havoc #t~ret656.base, #t~ret656.offset; [2024-11-10 10:46:31,518 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2024-11-10 10:46:40,789 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7930-2: havoc aws_byte_buf_append_dynamic_#t~ret911#1; [2024-11-10 10:46:40,789 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2603: havoc aws_add_size_saturating_#t~ret58#1; [2024-11-10 10:46:40,887 INFO L? ?]: Removed 141 outVars from TransFormulas that were not future-live. [2024-11-10 10:46:40,889 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:46:40,913 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:46:40,914 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:46:40,915 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:46:40 BoogieIcfgContainer [2024-11-10 10:46:40,916 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:46:40,918 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:46:40,918 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:46:40,922 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:46:40,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:46:27" (1/3) ... [2024-11-10 10:46:40,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d640f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:46:40, skipping insertion in model container [2024-11-10 10:46:40,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:46:30" (2/3) ... [2024-11-10 10:46:40,926 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76d640f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:46:40, skipping insertion in model container [2024-11-10 10:46:40,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:46:40" (3/3) ... [2024-11-10 10:46:40,928 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_dynamic_harness_negated.i [2024-11-10 10:46:40,945 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:46:40,945 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:46:41,025 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:46:41,033 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;@2db78839, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:46:41,035 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:46:41,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 249 states, 157 states have (on average 1.2420382165605095) internal successors, (195), 158 states have internal predecessors, (195), 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) [2024-11-10 10:46:41,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-10 10:46:41,058 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:46:41,059 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] [2024-11-10 10:46:41,060 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:46:41,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:46:41,066 INFO L85 PathProgramCache]: Analyzing trace with hash 357063422, now seen corresponding path program 1 times [2024-11-10 10:46:41,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:46:41,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993524051] [2024-11-10 10:46:41,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:46:41,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:47:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:55,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:47:55,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:55,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 10:47:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:55,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:47:55,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:55,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 10:47:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:55,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 10:47:55,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:55,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 10:47:55,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:55,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 10:47:55,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:55,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 10:47:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:55,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:47:55,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:55,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 10:47:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:55,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-10 10:47:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:55,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:47:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:47:55,803 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-11-10 10:47:55,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:47:55,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993524051] [2024-11-10 10:47:55,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993524051] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:47:55,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:47:55,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 10:47:55,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370918414] [2024-11-10 10:47:55,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:47:55,812 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 10:47:55,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:47:55,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 10:47:55,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:47:55,837 INFO L87 Difference]: Start difference. First operand has 249 states, 157 states have (on average 1.2420382165605095) internal successors, (195), 158 states have internal predecessors, (195), 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) [2024-11-10 10:48:00,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []