./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness_negated.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_array_list_erase_harness_negated.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 5aa4df3bf07993e90fd6085d301926d2fe237de2ffd3a09881087885f4330551 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:39:24,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:39:24,474 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:39:24,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:39:24,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:39:24,498 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:39:24,498 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:39:24,499 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:39:24,499 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:39:24,500 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:39:24,500 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:39:24,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:39:24,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:39:24,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:39:24,502 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:39:24,502 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:39:24,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:39:24,503 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:39:24,503 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:39:24,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:39:24,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:39:24,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:39:24,505 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:39:24,505 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:39:24,505 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:39:24,506 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:39:24,506 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:39:24,506 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:39:24,507 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:39:24,507 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:39:24,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:39:24,508 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:39:24,508 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:39:24,508 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:39:24,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:39:24,509 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:39:24,509 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:39:24,509 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:39:24,509 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:39:24,510 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5aa4df3bf07993e90fd6085d301926d2fe237de2ffd3a09881087885f4330551 [2024-11-16 19:39:24,798 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:39:24,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:39:24,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:39:24,822 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:39:24,822 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:39:24,824 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness_negated.i [2024-11-16 19:39:26,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:39:26,851 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:39:26,853 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness_negated.i [2024-11-16 19:39:26,900 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/898751bbf/d33cf1ed92854f07985b22a62ab2dfe1/FLAG873614c16 [2024-11-16 19:39:27,413 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/898751bbf/d33cf1ed92854f07985b22a62ab2dfe1 [2024-11-16 19:39:27,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:39:27,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:39:27,419 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:39:27,419 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:39:27,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:39:27,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:39:27" (1/1) ... [2024-11-16 19:39:27,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c1b0916 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:27, skipping insertion in model container [2024-11-16 19:39:27,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:39:27" (1/1) ... [2024-11-16 19:39:27,526 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:39:27,864 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_array_list_erase_harness_negated.i[4494,4507] [2024-11-16 19:39:27,874 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_array_list_erase_harness_negated.i[4554,4567] [2024-11-16 19:39:28,622 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:28,623 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:28,623 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:28,624 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:28,625 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:28,637 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:28,637 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:28,639 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:28,639 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:28,641 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:28,642 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:28,642 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:28,644 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,070 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,071 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,076 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,076 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,081 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,081 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,085 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,090 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,132 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,133 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,135 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:39:29,180 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:39:29,194 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_array_list_erase_harness_negated.i[4494,4507] [2024-11-16 19:39:29,194 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_array_list_erase_harness_negated.i[4554,4567] [2024-11-16 19:39:29,257 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,258 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,259 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,259 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,260 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,267 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,268 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,269 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,269 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,271 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,271 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,272 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,272 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,365 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,366 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,368 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,368 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,369 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,369 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,370 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,376 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,383 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7793-7804] [2024-11-16 19:39:29,399 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,400 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:39:29,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:39:29,675 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:39:29,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29 WrapperNode [2024-11-16 19:39:29,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:39:29,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:39:29,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:39:29,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:39:29,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29" (1/1) ... [2024-11-16 19:39:29,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29" (1/1) ... [2024-11-16 19:39:29,835 INFO L138 Inliner]: procedures = 678, calls = 1677, calls flagged for inlining = 52, calls inlined = 11, statements flattened = 734 [2024-11-16 19:39:29,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:39:29,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:39:29,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:39:29,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:39:29,850 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29" (1/1) ... [2024-11-16 19:39:29,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29" (1/1) ... [2024-11-16 19:39:29,868 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29" (1/1) ... [2024-11-16 19:39:29,958 INFO L175 MemorySlicer]: Split 331 memory accesses to 6 slices as follows [238, 3, 2, 6, 73, 9]. 72 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 1, 2, 0, 10, 5]. The 243 writes are split as follows [232, 1, 0, 2, 6, 2]. [2024-11-16 19:39:29,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29" (1/1) ... [2024-11-16 19:39:29,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29" (1/1) ... [2024-11-16 19:39:30,017 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29" (1/1) ... [2024-11-16 19:39:30,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29" (1/1) ... [2024-11-16 19:39:30,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29" (1/1) ... [2024-11-16 19:39:30,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29" (1/1) ... [2024-11-16 19:39:30,054 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:39:30,056 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:39:30,056 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:39:30,056 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:39:30,057 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29" (1/1) ... [2024-11-16 19:39:30,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:39:30,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:39:30,120 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 19:39:30,132 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 19:39:30,222 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2024-11-16 19:39:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2024-11-16 19:39:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:39:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-16 19:39:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-16 19:39:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-16 19:39:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-16 19:39:30,223 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:39:30,223 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:39:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:39:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:39:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:39:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:39:30,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:39:30,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:39:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:39:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:39:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:39:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:39:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:39:30,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:39:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-16 19:39:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-16 19:39:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:39:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:39:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:39:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:39:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint8_t [2024-11-16 19:39:30,228 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint8_t [2024-11-16 19:39:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:39:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:39:30,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:39:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:39:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:39:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:39:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:39:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:39:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:39:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:39:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:39:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:39:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-16 19:39:30,229 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-16 19:39:30,229 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-16 19:39:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-16 19:39:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:39:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:39:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:39:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:39:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:39:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:39:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-16 19:39:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-16 19:39:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:39:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:39:30,230 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-16 19:39:30,230 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-16 19:39:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:39:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:39:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:39:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:39:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:39:30,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:39:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:39:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:39:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:39:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:39:30,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:39:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:39:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:39:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:39:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:39:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-16 19:39:30,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-16 19:39:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:39:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:39:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:39:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:39:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:39:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:39:30,234 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2024-11-16 19:39:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2024-11-16 19:39:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-16 19:39:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-16 19:39:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-16 19:39:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-16 19:39:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-16 19:39:30,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-16 19:39:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:39:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:39:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:39:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:39:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:39:30,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:39:30,609 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:39:30,611 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:39:30,650 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-16 19:39:30,652 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc #t~nondet10; [2024-11-16 19:39:30,673 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-16 19:39:30,697 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-16 19:39:30,702 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7414: havoc #t~ret688.base, #t~ret688.offset; [2024-11-16 19:39:30,787 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-16 19:39:30,790 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:39:30,796 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7361: havoc #t~ret682.base, #t~ret682.offset; [2024-11-16 19:39:38,135 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3355: havoc aws_array_list_pop_front_#t~ret182#1; [2024-11-16 19:39:38,135 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3387: havoc aws_array_list_erase_#t~ret196#1; [2024-11-16 19:39:38,521 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3445: havoc #t~ret230; [2024-11-16 19:39:38,521 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L3432: havoc ~last_item_offset~1; [2024-11-16 19:39:38,637 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2024-11-16 19:39:38,637 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:39:38,664 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:39:38,666 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:39:38,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:39:38 BoogieIcfgContainer [2024-11-16 19:39:38,667 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:39:38,670 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:39:38,671 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:39:38,674 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:39:38,675 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:39:27" (1/3) ... [2024-11-16 19:39:38,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4861cfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:39:38, skipping insertion in model container [2024-11-16 19:39:38,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:39:29" (2/3) ... [2024-11-16 19:39:38,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4861cfac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:39:38, skipping insertion in model container [2024-11-16 19:39:38,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:39:38" (3/3) ... [2024-11-16 19:39:38,679 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_erase_harness_negated.i [2024-11-16 19:39:38,697 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:39:38,698 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:39:38,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:39:38,798 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;@663f46ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:39:38,799 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:39:38,805 INFO L276 IsEmpty]: Start isEmpty. Operand has 255 states, 145 states have (on average 1.186206896551724) internal successors, (172), 146 states have internal predecessors, (172), 88 states have call successors, (88), 20 states have call predecessors, (88), 20 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2024-11-16 19:39:38,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-16 19:39:38,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:39:38,824 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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 19:39:38,825 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:39:38,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:39:38,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1982072228, now seen corresponding path program 1 times [2024-11-16 19:39:38,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:39:38,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166130638] [2024-11-16 19:39:38,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:39:38,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:39:44,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:44,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:39:44,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:44,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 19:39:44,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:44,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 19:39:44,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 19:39:45,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:39:45,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:39:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:39:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 19:39:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 19:39:45,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 19:39:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 19:39:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 19:39:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 19:39:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 19:39:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:39:45,691 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-16 19:39:45,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:39:45,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166130638] [2024-11-16 19:39:45,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166130638] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:39:45,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:39:45,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 19:39:45,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691787938] [2024-11-16 19:39:45,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:39:45,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 19:39:45,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:39:45,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 19:39:45,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-16 19:39:45,728 INFO L87 Difference]: Start difference. First operand has 255 states, 145 states have (on average 1.186206896551724) internal successors, (172), 146 states have internal predecessors, (172), 88 states have call successors, (88), 20 states have call predecessors, (88), 20 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 19:39:49,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:39:54,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:40:01,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:40:01,289 INFO L93 Difference]: Finished difference Result 546 states and 840 transitions. [2024-11-16 19:40:01,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-16 19:40:01,291 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 87 [2024-11-16 19:40:01,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:40:01,305 INFO L225 Difference]: With dead ends: 546 [2024-11-16 19:40:01,305 INFO L226 Difference]: Without dead ends: 295 [2024-11-16 19:40:01,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-16 19:40:01,322 INFO L432 NwaCegarLoop]: 240 mSDtfsCounter, 159 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 252 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 624 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 252 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-11-16 19:40:01,323 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 394 Invalid, 624 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [252 Valid, 370 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time] [2024-11-16 19:40:01,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-16 19:40:01,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 249. [2024-11-16 19:40:01,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 140 states have (on average 1.1785714285714286) internal successors, (165), 141 states have internal predecessors, (165), 88 states have call successors, (88), 20 states have call predecessors, (88), 20 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2024-11-16 19:40:01,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 340 transitions. [2024-11-16 19:40:01,442 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 340 transitions. Word has length 87 [2024-11-16 19:40:01,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:40:01,443 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 340 transitions. [2024-11-16 19:40:01,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-16 19:40:01,444 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 340 transitions. [2024-11-16 19:40:01,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-16 19:40:01,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:40:01,451 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 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 19:40:01,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:40:01,451 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:40:01,452 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:40:01,452 INFO L85 PathProgramCache]: Analyzing trace with hash 1149359706, now seen corresponding path program 1 times [2024-11-16 19:40:01,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:40:01,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197212802] [2024-11-16 19:40:01,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:40:01,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:40:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:09,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:09,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 19:40:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:09,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 19:40:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:09,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 19:40:09,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:09,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:40:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:09,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:40:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:10,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:40:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:10,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 19:40:10,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:10,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 19:40:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:10,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 19:40:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:10,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 19:40:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:10,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 19:40:10,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:10,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 19:40:10,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:10,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 19:40:10,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:10,586 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2024-11-16 19:40:10,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:40:10,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197212802] [2024-11-16 19:40:10,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197212802] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:40:10,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:40:10,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 19:40:10,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693063494] [2024-11-16 19:40:10,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:40:10,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 19:40:10,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:40:10,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 19:40:10,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-16 19:40:10,590 INFO L87 Difference]: Start difference. First operand 249 states and 340 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 19:40:14,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:40:19,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:40:39,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:40:39,095 INFO L93 Difference]: Finished difference Result 303 states and 439 transitions. [2024-11-16 19:40:39,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-16 19:40:39,096 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) Word has length 87 [2024-11-16 19:40:39,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:40:39,102 INFO L225 Difference]: With dead ends: 303 [2024-11-16 19:40:39,103 INFO L226 Difference]: Without dead ends: 301 [2024-11-16 19:40:39,103 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-16 19:40:39,105 INFO L432 NwaCegarLoop]: 234 mSDtfsCounter, 168 mSDsluCounter, 830 mSDsCounter, 0 mSdLazyCounter, 1133 mSolverCounterSat, 249 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 170 SdHoareTripleChecker+Valid, 1064 SdHoareTripleChecker+Invalid, 1384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 1133 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.6s IncrementalHoareTripleChecker+Time [2024-11-16 19:40:39,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [170 Valid, 1064 Invalid, 1384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 1133 Invalid, 2 Unknown, 0 Unchecked, 25.6s Time] [2024-11-16 19:40:39,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-11-16 19:40:39,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 256. [2024-11-16 19:40:39,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 256 states, 144 states have (on average 1.1736111111111112) internal successors, (169), 146 states have internal predecessors, (169), 89 states have call successors, (89), 21 states have call predecessors, (89), 22 states have return successors, (106), 88 states have call predecessors, (106), 88 states have call successors, (106) [2024-11-16 19:40:39,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 364 transitions. [2024-11-16 19:40:39,157 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 364 transitions. Word has length 87 [2024-11-16 19:40:39,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:40:39,158 INFO L471 AbstractCegarLoop]: Abstraction has 256 states and 364 transitions. [2024-11-16 19:40:39,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 4 states have internal predecessors, (35), 2 states have call successors, (16), 4 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-16 19:40:39,158 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 364 transitions. [2024-11-16 19:40:39,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2024-11-16 19:40:39,160 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:40:39,161 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:40:39,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 19:40:39,161 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:40:39,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:40:39,162 INFO L85 PathProgramCache]: Analyzing trace with hash -2078766393, now seen corresponding path program 1 times [2024-11-16 19:40:39,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:40:39,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405557345] [2024-11-16 19:40:39,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:40:39,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:40:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:45,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:45,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:45,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-16 19:40:45,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:45,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 19:40:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:45,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-16 19:40:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:45,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:40:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:45,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:40:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:46,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:40:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:46,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-16 19:40:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:46,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 19:40:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:46,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-16 19:40:46,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:46,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-16 19:40:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:46,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 19:40:46,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:46,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-16 19:40:46,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:46,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 19:40:46,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:47,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:40:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:47,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:40:47,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:40:47,413 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-11-16 19:40:47,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:40:47,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405557345] [2024-11-16 19:40:47,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405557345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:40:47,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:40:47,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-16 19:40:47,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976929095] [2024-11-16 19:40:47,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:40:47,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-16 19:40:47,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:40:47,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-16 19:40:47,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-16 19:40:47,420 INFO L87 Difference]: Start difference. First operand 256 states and 364 transitions. Second operand has 11 states, 11 states have (on average 4.2727272727272725) internal successors, (47), 7 states have internal predecessors, (47), 6 states have call successors, (18), 6 states have call predecessors, (18), 2 states have return successors, (16), 6 states have call predecessors, (16), 5 states have call successors, (16)