./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_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_cursor_read_be16_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 f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:54:30,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:54:30,984 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:54:30,990 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:54:30,992 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:54:31,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:54:31,018 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:54:31,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:54:31,020 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:54:31,023 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:54:31,023 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:54:31,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:54:31,024 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:54:31,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:54:31,025 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:54:31,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:54:31,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:54:31,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:54:31,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:54:31,029 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:54:31,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:54:31,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:54:31,030 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:54:31,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:54:31,030 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:54:31,031 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:54:31,031 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:54:31,031 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:54:31,032 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:54:31,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:54:31,032 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:54:31,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:54:31,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:54:31,033 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:54:31,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:54:31,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:54:31,034 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:54:31,034 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:54:31,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:54:31,035 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb [2024-11-16 19:54:31,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:54:31,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:54:31,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:54:31,327 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:54:31,327 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:54:31,328 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2024-11-16 19:54:32,782 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:54:33,298 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:54:33,299 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2024-11-16 19:54:33,343 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43af3fd4d/8631deb1f00e4272bf28db1440907995/FLAG378195187 [2024-11-16 19:54:33,856 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43af3fd4d/8631deb1f00e4272bf28db1440907995 [2024-11-16 19:54:33,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:54:33,862 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:54:33,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:54:33,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:54:33,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:54:33,872 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:54:33" (1/1) ... [2024-11-16 19:54:33,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7632208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:33, skipping insertion in model container [2024-11-16 19:54:33,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:54:33" (1/1) ... [2024-11-16 19:54:33,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:54:34,243 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_cursor_read_be16_harness.i[4499,4512] [2024-11-16 19:54:34,251 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_cursor_read_be16_harness.i[4559,4572] [2024-11-16 19:54:34,861 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:34,862 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:34,863 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:34,865 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:34,866 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:34,882 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:34,884 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:34,886 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:34,888 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,500 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,500 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:54:35,625 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:54:35,640 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_cursor_read_be16_harness.i[4499,4512] [2024-11-16 19:54:35,644 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_cursor_read_be16_harness.i[4559,4572] [2024-11-16 19:54:35,687 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,688 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,688 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,688 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,689 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,694 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,694 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,695 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,695 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,862 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-16 19:54:35,864 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,864 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:54:35,878 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-16 19:54:35,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:54:36,118 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:54:36,119 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36 WrapperNode [2024-11-16 19:54:36,119 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:54:36,120 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:54:36,120 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:54:36,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:54:36,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36" (1/1) ... [2024-11-16 19:54:36,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36" (1/1) ... [2024-11-16 19:54:36,320 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2024-11-16 19:54:36,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:54:36,321 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:54:36,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:54:36,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:54:36,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36" (1/1) ... [2024-11-16 19:54:36,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36" (1/1) ... [2024-11-16 19:54:36,345 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36" (1/1) ... [2024-11-16 19:54:36,441 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [257, 6, 2, 248, 4, 37, 8, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 0, 2, 6, 2, 2, 2, 5]. The 504 writes are split as follows [257, 2, 0, 236, 0, 9, 0, 0]. [2024-11-16 19:54:36,443 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36" (1/1) ... [2024-11-16 19:54:36,444 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36" (1/1) ... [2024-11-16 19:54:36,496 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36" (1/1) ... [2024-11-16 19:54:36,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36" (1/1) ... [2024-11-16 19:54:36,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36" (1/1) ... [2024-11-16 19:54:36,531 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36" (1/1) ... [2024-11-16 19:54:36,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:54:36,553 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:54:36,554 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:54:36,554 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:54:36,555 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36" (1/1) ... [2024-11-16 19:54:36,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:54:36,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:54:36,593 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 19:54:36,599 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 19:54:36,639 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-16 19:54:36,641 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-16 19:54:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-16 19:54:36,642 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-16 19:54:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:54:36,642 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:54:36,643 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:54:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-16 19:54:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-16 19:54:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-16 19:54:36,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-16 19:54:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-16 19:54:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-16 19:54:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-16 19:54:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-16 19:54:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 19:54:36,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 19:54:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 19:54:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 19:54:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 19:54:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 19:54:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-16 19:54:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-16 19:54:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:54:36,645 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:54:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:54:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:54:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:54:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:54:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-16 19:54:36,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-16 19:54:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:54:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:54:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:54:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:54:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:54:36,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:54:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-16 19:54:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-16 19:54:36,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-16 19:54:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-16 19:54:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-16 19:54:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-16 19:54:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-16 19:54:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-16 19:54:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-16 19:54:36,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-16 19:54:36,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-16 19:54:36,650 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-16 19:54:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-16 19:54:36,651 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-16 19:54:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-16 19:54:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-16 19:54:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-16 19:54:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-16 19:54:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:54:36,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:54:36,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:54:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2024-11-16 19:54:36,653 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2024-11-16 19:54:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:54:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:54:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:54:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:54:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:54:36,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:54:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:54:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-16 19:54:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-16 19:54:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:54:36,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:54:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:54:36,654 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:54:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:54:36,654 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:54:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 19:54:36,654 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 19:54:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 19:54:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 19:54:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 19:54:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 19:54:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-16 19:54:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-16 19:54:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:54:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:54:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:54:36,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:54:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:54:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:54:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-16 19:54:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-16 19:54:36,656 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-16 19:54:36,656 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-16 19:54:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:54:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:54:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:54:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:54:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:54:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:54:36,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:54:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:54:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:54:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-16 19:54:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-16 19:54:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:54:36,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:54:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:54:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:54:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:54:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:54:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-16 19:54:36,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-16 19:54:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:54:36,661 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:54:36,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:54:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:54:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:54:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:54:36,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:54:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:54:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-16 19:54:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-16 19:54:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-16 19:54:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-16 19:54:36,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-16 19:54:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-16 19:54:36,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-16 19:54:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-16 19:54:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-16 19:54:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-16 19:54:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:54:36,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:54:36,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:54:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:54:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:54:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:54:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-16 19:54:36,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-16 19:54:37,077 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:54:37,079 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:54:37,113 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:54:37,337 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8360: call ULTIMATE.dealloc(~#slice~0#1.base, ~#slice~0#1.offset);havoc ~#slice~0#1.base, ~#slice~0#1.offset; [2024-11-16 19:54:37,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8353: havoc aws_byte_cursor_advance_nospec_#t~mem1112#1;havoc aws_byte_cursor_advance_nospec_#t~mem1113#1.base, aws_byte_cursor_advance_nospec_#t~mem1113#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset);havoc aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset; [2024-11-16 19:54:37,357 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:54:37,366 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 19:54:37,403 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7387: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2024-11-16 19:54:37,804 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L4052: havoc #t~nondet270; [2024-11-16 19:54:37,948 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:54:45,899 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:54:46,000 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2024-11-16 19:54:46,000 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:54:46,032 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:54:46,034 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:54:46,034 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:54:46 BoogieIcfgContainer [2024-11-16 19:54:46,035 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:54:46,037 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:54:46,037 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:54:46,040 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:54:46,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:54:33" (1/3) ... [2024-11-16 19:54:46,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a32b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:54:46, skipping insertion in model container [2024-11-16 19:54:46,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:54:36" (2/3) ... [2024-11-16 19:54:46,042 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75a32b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:54:46, skipping insertion in model container [2024-11-16 19:54:46,044 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:54:46" (3/3) ... [2024-11-16 19:54:46,045 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness.i [2024-11-16 19:54:46,061 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:54:46,061 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:54:46,134 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:54:46,141 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;@37c34952, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:54:46,142 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:54:46,146 INFO L276 IsEmpty]: Start isEmpty. Operand has 184 states, 123 states have (on average 1.2764227642276422) internal successors, (157), 124 states have internal predecessors, (157), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-16 19:54:46,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-16 19:54:46,164 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:54:46,165 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 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, 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 19:54:46,165 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:54:46,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:54:46,171 INFO L85 PathProgramCache]: Analyzing trace with hash -2060250338, now seen corresponding path program 1 times [2024-11-16 19:54:46,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:54:46,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684327550] [2024-11-16 19:54:46,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:54:46,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:56:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:56:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:56:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 19:56:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-16 19:56:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-16 19:56:06,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-16 19:56:06,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-16 19:56:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-16 19:56:06,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-16 19:56:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 19:56:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 19:56:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-16 19:56:06,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 19:56:06,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-16 19:56:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-16 19:56:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-16 19:56:06,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-16 19:56:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-16 19:56:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-16 19:56:06,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:56:06,937 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-16 19:56:06,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:56:06,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684327550] [2024-11-16 19:56:06,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684327550] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:56:06,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:56:06,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 19:56:06,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979353614] [2024-11-16 19:56:06,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:56:06,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 19:56:06,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:56:06,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 19:56:06,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 19:56:06,977 INFO L87 Difference]: Start difference. First operand has 184 states, 123 states have (on average 1.2764227642276422) internal successors, (157), 124 states have internal predecessors, (157), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-16 19:56:11,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []