./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_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_cursor_read_be32_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 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:57:46,134 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:57:46,202 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:57:46,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:57:46,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:57:46,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:57:46,231 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:57:46,231 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:57:46,232 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:57:46,233 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:57:46,233 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:57:46,233 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:57:46,234 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:57:46,234 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:57:46,234 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:57:46,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:57:46,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:57:46,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:57:46,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:57:46,235 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:57:46,235 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:57:46,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:57:46,239 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:57:46,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:57:46,239 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:57:46,239 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:57:46,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:57:46,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:57:46,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:57:46,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:57:46,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:57:46,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:57:46,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:57:46,243 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:57:46,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:57:46,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:57:46,243 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:57:46,243 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:57:46,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:57:46,244 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 065f95e1f01b1c2bb5cc332c26e118823e72d0e75cb3966f20aacf6dc1740b4a [2024-11-10 10:57:46,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:57:46,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:57:46,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:57:46,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:57:46,491 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:57:46,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i [2024-11-10 10:57:48,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:57:48,625 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:57:48,626 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness.i [2024-11-10 10:57:48,672 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64987321b/07a678a8baf64c159f3b8558b2166c55/FLAG6fde512a0 [2024-11-10 10:57:48,690 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64987321b/07a678a8baf64c159f3b8558b2166c55 [2024-11-10 10:57:48,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:57:48,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:57:48,704 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:57:48,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:57:48,718 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:57:48,719 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:57:48" (1/1) ... [2024-11-10 10:57:48,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3550352f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:48, skipping insertion in model container [2024-11-10 10:57:48,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:57:48" (1/1) ... [2024-11-10 10:57:48,818 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:57:49,057 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_be32_harness.i[4499,4512] [2024-11-10 10:57:49,065 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_be32_harness.i[4559,4572] [2024-11-10 10:57:49,608 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:49,608 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:49,609 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:49,609 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:49,610 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:49,625 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:49,627 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:49,628 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:49,628 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,052 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,052 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,098 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:57:50,155 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:57:50,167 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_be32_harness.i[4499,4512] [2024-11-10 10:57:50,170 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_be32_harness.i[4559,4572] [2024-11-10 10:57:50,206 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,206 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,206 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,207 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,207 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,211 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,211 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,212 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,212 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,363 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-10 10:57:50,365 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,366 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:57:50,378 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-10 10:57:50,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:57:50,564 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:57:50,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50 WrapperNode [2024-11-10 10:57:50,565 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:57:50,566 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:57:50,566 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:57:50,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:57:50,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50" (1/1) ... [2024-11-10 10:57:50,705 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50" (1/1) ... [2024-11-10 10:57:50,796 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 62, calls inlined = 11, statements flattened = 1027 [2024-11-10 10:57:50,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:57:50,798 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:57:50,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:57:50,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:57:50,809 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50" (1/1) ... [2024-11-10 10:57:50,809 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50" (1/1) ... [2024-11-10 10:57:50,820 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50" (1/1) ... [2024-11-10 10:57:50,917 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [2, 257, 8, 6, 37, 248, 4, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 2, 0, 2, 6, 2, 5]. The 504 writes are split as follows [0, 257, 0, 2, 9, 236, 0, 0]. [2024-11-10 10:57:50,921 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50" (1/1) ... [2024-11-10 10:57:50,921 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50" (1/1) ... [2024-11-10 10:57:50,970 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50" (1/1) ... [2024-11-10 10:57:50,976 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50" (1/1) ... [2024-11-10 10:57:50,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50" (1/1) ... [2024-11-10 10:57:50,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50" (1/1) ... [2024-11-10 10:57:51,011 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:57:51,013 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:57:51,014 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:57:51,014 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:57:51,015 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50" (1/1) ... [2024-11-10 10:57:51,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:57:51,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:57:51,046 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 10:57:51,050 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 10:57:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-10 10:57:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-10 10:57:51,088 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-10 10:57:51,088 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-10 10:57:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:57:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:57:51,089 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:57:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-10 10:57:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-10 10:57:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-10 10:57:51,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-10 10:57:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-10 10:57:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-10 10:57:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-10 10:57:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-10 10:57:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-10 10:57:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-10 10:57:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-10 10:57:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-10 10:57:51,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-10 10:57:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-10 10:57:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-10 10:57:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-10 10:57:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:57:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:57:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:57:51,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:57:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:57:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:57:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 10:57:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-10 10:57:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:57:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:57:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:57:51,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:57:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:57:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:57:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:57:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-10 10:57:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-10 10:57:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-10 10:57:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-10 10:57:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-10 10:57:51,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-10 10:57:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-10 10:57:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-10 10:57:51,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-10 10:57:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-10 10:57:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-10 10:57:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-10 10:57:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-10 10:57:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-10 10:57:51,094 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-10 10:57:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-10 10:57:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-10 10:57:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:57:51,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:57:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:57:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:57:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:57:51,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:57:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:57:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:57:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:57:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:57:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 10:57:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-10 10:57:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh32 [2024-11-10 10:57:51,096 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh32 [2024-11-10 10:57:51,096 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:57:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:57:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:57:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:57:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:57:51,097 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:57:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-10 10:57:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-10 10:57:51,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-10 10:57:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-10 10:57:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-10 10:57:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-10 10:57:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-10 10:57:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-10 10:57:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:57:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:57:51,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 10:57:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:57:51,099 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:57:51,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:57:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 10:57:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-10 10:57:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:57:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:57:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:57:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:57:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:57:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:57:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:57:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-10 10:57:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 10:57:51,100 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 10:57:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:57:51,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:57:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:57:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:57:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:57:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:57:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:57:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-10 10:57:51,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-10 10:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-10 10:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-10 10:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-10 10:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-10 10:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-10 10:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-10 10:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-10 10:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:57:51,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:57:51,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-10 10:57:51,417 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:57:51,420 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:57:51,458 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:57:51,599 INFO L1247 $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; [2024-11-10 10:57:51,599 INFO L1247 $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; [2024-11-10 10:57:51,613 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 10:57:51,619 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-10 10:57:51,640 INFO L1247 $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; [2024-11-10 10:57:52,270 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3992: havoc #t~nondet262; [2024-11-10 10:57:52,273 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:58:00,043 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:58:00,133 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2024-11-10 10:58:00,133 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:58:00,161 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:58:00,162 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:58:00,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:58:00 BoogieIcfgContainer [2024-11-10 10:58:00,163 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:58:00,164 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:58:00,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:58:00,168 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:58:00,168 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:57:48" (1/3) ... [2024-11-10 10:58:00,169 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ac2bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:58:00, skipping insertion in model container [2024-11-10 10:58:00,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:57:50" (2/3) ... [2024-11-10 10:58:00,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39ac2bae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:58:00, skipping insertion in model container [2024-11-10 10:58:00,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:58:00" (3/3) ... [2024-11-10 10:58:00,171 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be32_harness.i [2024-11-10 10:58:00,184 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:58:00,185 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:58:00,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:58:00,249 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;@61b449f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:58:00,250 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:58:00,256 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) [2024-11-10 10:58:00,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-10 10:58:00,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:58:00,270 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] [2024-11-10 10:58:00,271 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:58:00,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:58:00,275 INFO L85 PathProgramCache]: Analyzing trace with hash 1825918700, now seen corresponding path program 1 times [2024-11-10 10:58:00,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:58:00,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255615657] [2024-11-10 10:58:00,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:58:00,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:59:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:59:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:59:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 10:59:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 10:59:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 10:59:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 10:59:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 10:59:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 10:59:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:59:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-10 10:59:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-10 10:59:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-10 10:59:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-10 10:59:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 10:59:21,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 10:59:21,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-10 10:59:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 10:59:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-11-10 10:59:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-10 10:59:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:21,817 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-10 10:59:21,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:59:21,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255615657] [2024-11-10 10:59:21,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255615657] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:59:21,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:59:21,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 10:59:21,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327765228] [2024-11-10 10:59:21,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:59:21,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 10:59:21,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:59:21,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 10:59:21,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:59:21,855 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) [2024-11-10 10:59:26,139 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []