./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.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_write_from_whole_string_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 7d9514ee1b6f3a0027f117bcf81d6b26d525fe99251459ecef3c46cad248dd1f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:52:31,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:52:31,657 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:52:31,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:52:31,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:52:31,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:52:31,694 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:52:31,695 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:52:31,695 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:52:31,696 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:52:31,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:52:31,697 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:52:31,698 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:52:31,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:52:31,698 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:52:31,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:52:31,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:52:31,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:52:31,700 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:52:31,700 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:52:31,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:52:31,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:52:31,706 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:52:31,707 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:52:31,707 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:52:31,707 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:52:31,707 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:52:31,708 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:52:31,708 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:52:31,708 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:52:31,708 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:52:31,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:52:31,717 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:52:31,717 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:52:31,717 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:52:31,717 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:52:31,717 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:52:31,718 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:52:31,718 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:52:31,718 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d9514ee1b6f3a0027f117bcf81d6b26d525fe99251459ecef3c46cad248dd1f [2024-11-10 10:52:31,984 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:52:32,014 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:52:32,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:52:32,020 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:52:32,021 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:52:32,023 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i [2024-11-10 10:52:33,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:52:33,982 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:52:33,982 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i [2024-11-10 10:52:34,033 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47dab96b3/b83221f20e884d42972c4b4341227143/FLAG174eaf98c [2024-11-10 10:52:34,532 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47dab96b3/b83221f20e884d42972c4b4341227143 [2024-11-10 10:52:34,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:52:34,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:52:34,541 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:52:34,541 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:52:34,546 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:52:34,547 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:52:34" (1/1) ... [2024-11-10 10:52:34,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4447e612 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:34, skipping insertion in model container [2024-11-10 10:52:34,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:52:34" (1/1) ... [2024-11-10 10:52:34,656 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:52:35,005 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_write_from_whole_string_harness.i[4510,4523] [2024-11-10 10:52:35,018 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_write_from_whole_string_harness.i[4570,4583] [2024-11-10 10:52:36,284 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,285 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,286 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,287 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,288 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,304 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,305 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,306 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,307 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,313 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,314 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,319 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,319 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,888 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:36,901 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,078 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,082 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:52:37,267 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:52:37,287 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_write_from_whole_string_harness.i[4510,4523] [2024-11-10 10:52:37,288 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_write_from_whole_string_harness.i[4570,4583] [2024-11-10 10:52:37,330 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,331 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,332 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,332 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,333 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,338 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,339 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,340 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,340 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,341 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,341 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,342 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,342 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,433 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,437 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8553] [2024-11-10 10:52:37,497 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,498 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:52:37,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [9039-9050] [2024-11-10 10:52:37,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:52:37,825 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:52:37,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37 WrapperNode [2024-11-10 10:52:37,825 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:52:37,826 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:52:37,826 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:52:37,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:52:37,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37" (1/1) ... [2024-11-10 10:52:38,026 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37" (1/1) ... [2024-11-10 10:52:38,124 INFO L138 Inliner]: procedures = 684, calls = 3059, calls flagged for inlining = 70, calls inlined = 10, statements flattened = 980 [2024-11-10 10:52:38,125 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:52:38,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:52:38,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:52:38,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:52:38,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37" (1/1) ... [2024-11-10 10:52:38,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37" (1/1) ... [2024-11-10 10:52:38,150 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37" (1/1) ... [2024-11-10 10:52:38,243 INFO L175 MemorySlicer]: Split 591 memory accesses to 7 slices as follows [2, 257, 238, 6, 51, 16, 21]. 43 percent of accesses are in the largest equivalence class. The 37 initializations are split as follows [2, 0, 6, 0, 8, 16, 5]. The 498 writes are split as follows [0, 257, 232, 2, 3, 0, 4]. [2024-11-10 10:52:38,243 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37" (1/1) ... [2024-11-10 10:52:38,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37" (1/1) ... [2024-11-10 10:52:38,294 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37" (1/1) ... [2024-11-10 10:52:38,297 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37" (1/1) ... [2024-11-10 10:52:38,316 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37" (1/1) ... [2024-11-10 10:52:38,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37" (1/1) ... [2024-11-10 10:52:38,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:52:38,345 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:52:38,346 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:52:38,346 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:52:38,347 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37" (1/1) ... [2024-11-10 10:52:38,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:52:38,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:52:38,384 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 10:52:38,387 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 10:52:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-10 10:52:38,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-10 10:52:38,432 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 10:52:38,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 10:52:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-10 10:52:38,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-10 10:52:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:52:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:52:38,433 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:52:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-10 10:52:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-10 10:52:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-10 10:52:38,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-10 10:52:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-10 10:52:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-10 10:52:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-10 10:52:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-10 10:52:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-10 10:52:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-10 10:52:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-10 10:52:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-10 10:52:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-10 10:52:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-10 10:52:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:52:38,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:52:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:52:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:52:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:52:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:52:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 10:52:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:52:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:52:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:52:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:52:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:52:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:52:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:52:38,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-10 10:52:38,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-10 10:52:38,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-10 10:52:38,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-10 10:52:38,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-10 10:52:38,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-10 10:52:38,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-10 10:52:38,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-10 10:52:38,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-10 10:52:38,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-10 10:52:38,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-10 10:52:38,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-10 10:52:38,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-10 10:52:38,438 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-10 10:52:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:52:38,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:52:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:52:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:52:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:52:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:52:38,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:52:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:52:38,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:52:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:52:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 10:52:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:52:38,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:52:38,441 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:52:38,441 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:52:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:52:38,442 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:52:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-10 10:52:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-10 10:52:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-10 10:52:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-10 10:52:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-10 10:52:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-10 10:52:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-10 10:52:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:52:38,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:52:38,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:52:38,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:52:38,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:52:38,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:52:38,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 10:52:38,444 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-10 10:52:38,444 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-10 10:52:38,444 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:52:38,444 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:52:38,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:52:38,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:52:38,444 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-10 10:52:38,445 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:52:38,445 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:52:38,445 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 10:52:38,446 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-10 10:52:38,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-10 10:52:38,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:52:38,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:52:38,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:52:38,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:52:38,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:52:38,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:52:38,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:52:38,822 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:52:38,825 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:52:38,865 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc583.base, #t~malloc583.offset; [2024-11-10 10:52:38,891 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6305: havoc #t~mem498;havoc #t~short499;havoc #t~mem500;havoc #t~mem501;havoc #t~short502; [2024-11-10 10:52:38,904 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 10:52:38,941 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7619: havoc #t~mem813;havoc #t~mem814;havoc #t~short815;havoc #t~mem816.base, #t~mem816.offset;havoc #t~short817;havoc #t~mem818;havoc #t~mem819;havoc #t~mem820;havoc #t~short821;havoc #t~mem822;havoc #t~mem823.base, #t~mem823.offset;havoc #t~short824;havoc #t~short825;havoc #t~short826;havoc #t~short827; [2024-11-10 10:52:38,982 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6852: havoc #t~ret569#1.base, #t~ret569#1.offset; [2024-11-10 10:52:39,571 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:52:47,621 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:52:47,621 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L9810: havoc aws_byte_buf_write_from_whole_string_#t~ret1489#1.base, aws_byte_buf_write_from_whole_string_#t~ret1489#1.offset;havoc aws_byte_buf_write_from_whole_string_#t~mem1490#1;havoc aws_byte_buf_write_from_whole_string_#t~ret1491#1; [2024-11-10 10:52:47,732 INFO L? ?]: Removed 251 outVars from TransFormulas that were not future-live. [2024-11-10 10:52:47,732 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:52:47,756 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:52:47,757 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:52:47,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:52:47 BoogieIcfgContainer [2024-11-10 10:52:47,758 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:52:47,761 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:52:47,761 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:52:47,764 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:52:47,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:52:34" (1/3) ... [2024-11-10 10:52:47,766 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3f5c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:52:47, skipping insertion in model container [2024-11-10 10:52:47,766 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:52:37" (2/3) ... [2024-11-10 10:52:47,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a3f5c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:52:47, skipping insertion in model container [2024-11-10 10:52:47,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:52:47" (3/3) ... [2024-11-10 10:52:47,768 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_string_harness.i [2024-11-10 10:52:47,788 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:52:47,788 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:52:47,866 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:52:47,875 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;@4692b261, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:52:47,876 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:52:47,881 INFO L276 IsEmpty]: Start isEmpty. Operand has 183 states, 120 states have (on average 1.2583333333333333) internal successors, (151), 121 states have internal predecessors, (151), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-10 10:52:47,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-10 10:52:47,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:52:47,893 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-10 10:52:47,894 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:52:47,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:52:47,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1218266024, now seen corresponding path program 1 times [2024-11-10 10:52:47,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:52:47,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537542986] [2024-11-10 10:52:47,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:52:47,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:54:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:04,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:54:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:04,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 10:54:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:04,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-10 10:54:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:04,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:54:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:04,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 10:54:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:04,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 10:54:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:04,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-10 10:54:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:04,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-10 10:54:04,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:54:04,339 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-10 10:54:04,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:54:04,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537542986] [2024-11-10 10:54:04,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537542986] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:54:04,342 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:54:04,342 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 10:54:04,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460901298] [2024-11-10 10:54:04,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:54:04,349 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 10:54:04,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:54:04,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 10:54:04,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:54:04,378 INFO L87 Difference]: Start difference. First operand has 183 states, 120 states have (on average 1.2583333333333333) internal successors, (151), 121 states have internal predecessors, (151), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-10 10:54:08,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []