./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.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 cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:44:27,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:44:28,006 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:44:28,012 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:44:28,014 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:44:28,042 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:44:28,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:44:28,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:44:28,044 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:44:28,045 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:44:28,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:44:28,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:44:28,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:44:28,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:44:28,049 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:44:28,049 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:44:28,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:44:28,050 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:44:28,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:44:28,050 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:44:28,050 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:44:28,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:44:28,055 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:44:28,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:44:28,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:44:28,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:44:28,056 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:44:28,056 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:44:28,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:44:28,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:44:28,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:44:28,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:44:28,057 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:44:28,057 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:44:28,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:44:28,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:44:28,058 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:44:28,058 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:44:28,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:44:28,060 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cab1c092802d28f475b8a467f14dab6a3f796dc1a4441d8517361eeec98aa4cb [2024-11-12 08:44:28,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:44:28,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:44:28,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:44:28,388 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:44:28,389 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:44:28,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2024-11-12 08:44:29,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:44:30,456 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:44:30,457 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i [2024-11-12 08:44:30,503 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee12370f/4c5e841655ed418480ff06cc4bf4b3d6/FLAG1aa23bbb1 [2024-11-12 08:44:30,527 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ee12370f/4c5e841655ed418480ff06cc4bf4b3d6 [2024-11-12 08:44:30,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:44:30,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:44:30,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:44:30,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:44:30,541 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:44:30,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:44:30" (1/1) ... [2024-11-12 08:44:30,545 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27775ac9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:30, skipping insertion in model container [2024-11-12 08:44:30,545 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:44:30" (1/1) ... [2024-11-12 08:44:30,661 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:44:31,030 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2024-11-12 08:44:31,043 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2024-11-12 08:44:32,678 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:32,682 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:32,682 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:32,683 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:32,684 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:32,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:32,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:32,700 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:32,700 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,401 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,493 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:44:33,568 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:44:33,589 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4510,4523] [2024-11-12 08:44:33,589 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness-1.i[4570,4583] [2024-11-12 08:44:33,647 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,648 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,662 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,668 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,668 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,801 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-12 08:44:33,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:44:33,820 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-12 08:44:33,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:44:34,188 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:44:34,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34 WrapperNode [2024-11-12 08:44:34,189 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:44:34,190 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:44:34,190 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:44:34,190 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:44:34,199 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34" (1/1) ... [2024-11-12 08:44:34,317 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34" (1/1) ... [2024-11-12 08:44:34,398 INFO L138 Inliner]: procedures = 680, calls = 2662, calls flagged for inlining = 58, calls inlined = 5, statements flattened = 900 [2024-11-12 08:44:34,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:44:34,401 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:44:34,401 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:44:34,401 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:44:34,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34" (1/1) ... [2024-11-12 08:44:34,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34" (1/1) ... [2024-11-12 08:44:34,427 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34" (1/1) ... [2024-11-12 08:44:34,534 INFO L175 MemorySlicer]: Split 592 memory accesses to 5 slices as follows [257, 2, 78, 249, 6]. 43 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [0, 2, 16, 11, 0]. The 499 writes are split as follows [257, 0, 7, 233, 2]. [2024-11-12 08:44:34,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34" (1/1) ... [2024-11-12 08:44:34,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34" (1/1) ... [2024-11-12 08:44:34,588 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34" (1/1) ... [2024-11-12 08:44:34,596 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34" (1/1) ... [2024-11-12 08:44:34,612 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34" (1/1) ... [2024-11-12 08:44:34,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34" (1/1) ... [2024-11-12 08:44:34,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:44:34,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:44:34,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:44:34,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:44:34,642 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34" (1/1) ... [2024-11-12 08:44:34,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:44:34,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:44:34,678 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) [2024-11-12 08:44:34,685 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 [2024-11-12 08:44:34,726 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-12 08:44:34,727 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-12 08:44:34,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:44:34,728 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:44:34,728 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:44:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:44:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:44:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:44:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:44:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:44:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:44:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:44:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:44:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:44:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:44:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:44:34,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:44:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:44:34,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:44:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-12 08:44:34,730 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-12 08:44:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:44:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:44:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:44:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:44:34,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:44:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-12 08:44:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-12 08:44:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-12 08:44:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-12 08:44:34,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:44:34,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:44:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:44:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:44:34,732 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-12 08:44:34,732 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-12 08:44:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-12 08:44:34,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-12 08:44:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:44:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:44:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:44:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:44:34,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:44:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:44:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:44:34,734 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-12 08:44:34,734 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-12 08:44:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:44:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:44:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:44:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:44:34,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:44:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:44:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-12 08:44:34,736 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-12 08:44:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:44:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:44:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:44:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:44:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:44:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:44:34,737 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:44:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 08:44:34,737 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 08:44:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-12 08:44:34,737 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-12 08:44:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:44:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:44:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:44:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:44:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:44:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-12 08:44:34,738 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-12 08:44:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:44:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:44:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:44:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:44:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:44:35,084 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:44:35,089 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:44:43,898 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-12 08:44:43,899 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:44:43,924 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:44:43,925 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-12 08:44:43,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:44:43 BoogieIcfgContainer [2024-11-12 08:44:43,926 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:44:43,929 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:44:43,930 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:44:43,934 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:44:43,934 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:44:30" (1/3) ... [2024-11-12 08:44:43,936 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45109d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:44:43, skipping insertion in model container [2024-11-12 08:44:43,936 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:44:34" (2/3) ... [2024-11-12 08:44:43,937 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45109d6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:44:43, skipping insertion in model container [2024-11-12 08:44:43,937 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:44:43" (3/3) ... [2024-11-12 08:44:43,939 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness-1.i [2024-11-12 08:44:43,956 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:44:43,957 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:44:44,034 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:44:44,043 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;@1b11d865, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:44:44,043 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:44:44,050 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 111 states have (on average 1.2072072072072073) internal successors, (134), 113 states have internal predecessors, (134), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-12 08:44:44,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-12 08:44:44,070 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:44:44,072 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:44:44,072 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:44:44,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:44:44,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1289631181, now seen corresponding path program 1 times [2024-11-12 08:44:44,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:44:44,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114682494] [2024-11-12 08:44:44,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:44:44,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:46:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:02,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:46:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:02,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:46:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:02,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:46:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:02,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:46:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:02,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:46:02,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:02,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 08:46:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:02,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:46:02,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:02,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:46:02,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:46:03,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:46:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-12 08:46:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-12 08:46:03,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-12 08:46:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 08:46:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-12 08:46:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:46:03,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:46:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:46:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:46:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-12 08:46:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-12 08:46:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 08:46:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-12 08:46:03,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-12 08:46:03,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-12 08:46:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 08:46:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-12 08:46:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-11-12 08:46:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-11-12 08:46:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2024-11-12 08:46:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:46:03,437 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 296 trivial. 0 not checked. [2024-11-12 08:46:03,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:46:03,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114682494] [2024-11-12 08:46:03,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114682494] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:46:03,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:46:03,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-12 08:46:03,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [394114754] [2024-11-12 08:46:03,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:46:03,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 08:46:03,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:46:03,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 08:46:03,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-12 08:46:03,489 INFO L87 Difference]: Start difference. First operand has 187 states, 111 states have (on average 1.2072072072072073) internal successors, (134), 113 states have internal predecessors, (134), 58 states have call successors, (58), 16 states have call predecessors, (58), 16 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (29), 5 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)