./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.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_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 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:49:18,192 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:49:18,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:49:18,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:49:18,269 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:49:18,290 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:49:18,291 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:49:18,291 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:49:18,292 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:49:18,292 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:49:18,293 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:49:18,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:49:18,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:49:18,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:49:18,296 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:49:18,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:49:18,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:49:18,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:49:18,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:49:18,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:49:18,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:49:18,303 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:49:18,303 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:49:18,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:49:18,304 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:49:18,304 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:49:18,305 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:49:18,305 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:49:18,305 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:49:18,305 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:49:18,306 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:49:18,306 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:49:18,307 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:49:18,307 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:49:18,307 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:49:18,307 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:49:18,308 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:49:18,308 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:49:18,308 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:49:18,308 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 [2024-11-16 19:49:18,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:49:18,563 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:49:18,567 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:49:18,568 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:49:18,569 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:49:18,570 INFO L431 ainManager$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.i [2024-11-16 19:49:20,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:49:20,586 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:49:20,586 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2024-11-16 19:49:20,629 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce6f82ec/c9c8236af3b84e0f8b3129570f5514e4/FLAG0acb29dac [2024-11-16 19:49:20,665 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6ce6f82ec/c9c8236af3b84e0f8b3129570f5514e4 [2024-11-16 19:49:20,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:49:20,670 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:49:20,672 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:49:20,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:49:20,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:49:20,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:49:20" (1/1) ... [2024-11-16 19:49:20,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a017d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:20, skipping insertion in model container [2024-11-16 19:49:20,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:49:20" (1/1) ... [2024-11-16 19:49:20,837 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:49:21,124 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.i[4510,4523] [2024-11-16 19:49:21,134 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.i[4570,4583] [2024-11-16 19:49:21,793 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:21,794 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:21,795 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:21,795 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:21,796 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:21,811 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:21,811 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:21,813 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:21,813 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,293 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,297 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:49:22,499 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:49:22,517 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.i[4510,4523] [2024-11-16 19:49:22,520 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.i[4570,4583] [2024-11-16 19:49:22,561 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,565 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,565 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,565 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,566 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,574 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,575 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,576 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,576 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-16 19:49:22,705 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,706 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:49:22,719 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-16 19:49:22,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:49:23,121 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:49:23,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23 WrapperNode [2024-11-16 19:49:23,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:49:23,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:49:23,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:49:23,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:49:23,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23" (1/1) ... [2024-11-16 19:49:23,238 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23" (1/1) ... [2024-11-16 19:49:23,325 INFO L138 Inliner]: procedures = 680, calls = 2658, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 920 [2024-11-16 19:49:23,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:49:23,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:49:23,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:49:23,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:49:23,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23" (1/1) ... [2024-11-16 19:49:23,337 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23" (1/1) ... [2024-11-16 19:49:23,417 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23" (1/1) ... [2024-11-16 19:49:23,499 INFO L175 MemorySlicer]: Split 592 memory accesses to 5 slices as follows [2, 257, 6, 249, 78]. 43 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 0, 11, 16]. The 499 writes are split as follows [0, 257, 2, 233, 7]. [2024-11-16 19:49:23,503 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23" (1/1) ... [2024-11-16 19:49:23,504 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23" (1/1) ... [2024-11-16 19:49:23,550 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23" (1/1) ... [2024-11-16 19:49:23,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23" (1/1) ... [2024-11-16 19:49:23,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23" (1/1) ... [2024-11-16 19:49:23,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23" (1/1) ... [2024-11-16 19:49:23,578 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:49:23,579 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:49:23,579 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:49:23,579 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:49:23,580 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23" (1/1) ... [2024-11-16 19:49:23,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:49:23,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:49:23,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-16 19:49:23,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-16 19:49:23,666 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:49:23,667 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:49:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:49:23,667 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:49:23,668 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:49:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:49:23,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:49:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:49:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:49:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:49:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:49:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:49:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:49:23,669 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:49:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:49:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:49:23,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:49:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:49:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:49:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-16 19:49:23,670 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-16 19:49:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:49:23,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:49:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:49:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:49:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:49:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-16 19:49:23,671 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-16 19:49:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-16 19:49:23,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-16 19:49:23,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:49:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:49:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:49:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:49:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:49:23,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:49:23,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:49:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:49:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:49:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:49:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:49:23,673 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:49:23,673 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:49:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-16 19:49:23,674 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-16 19:49:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:49:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:49:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:49:23,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:49:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:49:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:49:23,675 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-16 19:49:23,675 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-16 19:49:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:49:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:49:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:49:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:49:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:49:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:49:23,676 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:49:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:49:23,676 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:49:23,676 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-16 19:49:23,676 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-16 19:49:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:49:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:49:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:49:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:49:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:49:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-16 19:49:23,677 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-16 19:49:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:49:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:49:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:49:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:49:23,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:49:23,999 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:49:24,001 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:49:24,043 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:49:24,092 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:49:24,112 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:49:24,224 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem682;havoc #t~mem683;havoc #t~short684;havoc #t~mem685.base, #t~mem685.offset;havoc #t~short686;havoc #t~mem687;havoc #t~mem688;havoc #t~mem689;havoc #t~short690;havoc #t~mem691;havoc #t~mem692.base, #t~mem692.offset;havoc #t~short693;havoc #t~short694;havoc #t~short695;havoc #t~short696; [2024-11-16 19:49:24,241 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:49:24,248 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2024-11-16 19:49:24,287 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret657.base, #t~ret657.offset; [2024-11-16 19:49:31,904 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8564: havoc aws_byte_buf_write_from_whole_buffer_#t~mem1189#1.base, aws_byte_buf_write_from_whole_buffer_#t~mem1189#1.offset;havoc aws_byte_buf_write_from_whole_buffer_#t~mem1190#1;havoc aws_byte_buf_write_from_whole_buffer_#t~ret1191#1;call ULTIMATE.dealloc(aws_byte_buf_write_from_whole_buffer_~#src#1.base, aws_byte_buf_write_from_whole_buffer_~#src#1.offset);havoc aws_byte_buf_write_from_whole_buffer_~#src#1.base, aws_byte_buf_write_from_whole_buffer_~#src#1.offset; [2024-11-16 19:49:31,986 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-11-16 19:49:31,987 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:49:32,003 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:49:32,003 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:49:32,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:49:32 BoogieIcfgContainer [2024-11-16 19:49:32,004 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:49:32,006 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:49:32,006 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:49:32,009 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:49:32,010 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:49:20" (1/3) ... [2024-11-16 19:49:32,010 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235b5bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:49:32, skipping insertion in model container [2024-11-16 19:49:32,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:49:23" (2/3) ... [2024-11-16 19:49:32,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235b5bde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:49:32, skipping insertion in model container [2024-11-16 19:49:32,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:49:32" (3/3) ... [2024-11-16 19:49:32,014 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2024-11-16 19:49:32,029 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:49:32,030 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:49:32,090 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:49:32,095 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;@4234f4db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:49:32,096 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:49:32,099 INFO L276 IsEmpty]: Start isEmpty. Operand has 176 states, 106 states have (on average 1.2169811320754718) internal successors, (129), 108 states have internal predecessors, (129), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-16 19:49:32,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-16 19:49:32,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:49:32,114 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 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] [2024-11-16 19:49:32,114 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:49:32,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:49:32,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1630472928, now seen corresponding path program 1 times [2024-11-16 19:49:32,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:49:32,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466991442] [2024-11-16 19:49:32,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:49:32,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:50:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:50:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:50:50,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:50:50,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:50:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 19:50:50,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:50:50,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 19:50:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 19:50:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-16 19:50:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-16 19:50:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 19:50:50,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:50:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 19:50:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:50:50,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-16 19:50:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-16 19:50:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-16 19:50:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-16 19:50:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-16 19:50:50,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-16 19:50:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-16 19:50:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-16 19:50:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:50,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-16 19:50:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:51,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-16 19:50:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:51,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-16 19:50:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:51,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-16 19:50:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:50:51,037 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-16 19:50:51,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:50:51,038 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466991442] [2024-11-16 19:50:51,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466991442] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:50:51,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:50:51,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-16 19:50:51,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867786937] [2024-11-16 19:50:51,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:50:51,047 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-16 19:50:51,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:50:51,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-16 19:50:51,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-16 19:50:51,075 INFO L87 Difference]: Start difference. First operand has 176 states, 106 states have (on average 1.2169811320754718) internal successors, (129), 108 states have internal predecessors, (129), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-16 19:50:55,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []