./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_erase_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 d31a3c72327f82612c1df0b26c3fcc0fecf0a10b67b9a605f782e4835b0f6e1b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:42:09,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:42:09,643 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:42:09,648 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:42:09,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:42:09,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:42:09,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:42:09,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:42:09,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:42:09,682 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:42:09,683 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:42:09,683 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:42:09,684 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:42:09,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:42:09,686 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:42:09,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:42:09,687 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:42:09,687 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:42:09,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:42:09,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:42:09,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:42:09,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:42:09,692 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:42:09,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:42:09,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:42:09,692 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:42:09,693 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:42:09,693 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:42:09,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:42:09,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:42:09,694 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:42:09,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:42:09,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:42:09,694 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:42:09,695 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:42:09,695 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:42:09,695 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:42:09,695 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:42:09,696 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:42:09,696 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d31a3c72327f82612c1df0b26c3fcc0fecf0a10b67b9a605f782e4835b0f6e1b [2024-11-10 10:42:09,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:42:09,949 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:42:09,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:42:09,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:42:09,957 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:42:09,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i [2024-11-10 10:42:11,450 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:42:11,927 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:42:11,927 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_erase_harness.i [2024-11-10 10:42:11,972 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3aa5b1b/b49edd04adba4ce398be5027809e4945/FLAG74100bee5 [2024-11-10 10:42:12,015 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa3aa5b1b/b49edd04adba4ce398be5027809e4945 [2024-11-10 10:42:12,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:42:12,019 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:42:12,020 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:42:12,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:42:12,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:42:12,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:42:12" (1/1) ... [2024-11-10 10:42:12,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd48cbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:12, skipping insertion in model container [2024-11-10 10:42:12,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:42:12" (1/1) ... [2024-11-10 10:42:12,138 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:42:12,484 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.i[4494,4507] [2024-11-10 10:42:12,492 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.i[4554,4567] [2024-11-10 10:42:13,329 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,330 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,330 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,331 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,332 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,346 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,346 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,348 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,349 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,351 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,351 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,352 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,352 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,840 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,841 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,847 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,848 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,853 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,854 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,858 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,865 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,921 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,922 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:13,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:42:13,972 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:42:13,992 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.i[4494,4507] [2024-11-10 10:42:13,993 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.i[4554,4567] [2024-11-10 10:42:14,047 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,048 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,048 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,048 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,049 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,054 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,055 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,056 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,056 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,057 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,058 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,058 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,058 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,138 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,139 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,140 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,140 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,141 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,141 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,142 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,146 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7825-7836] [2024-11-10 10:42:14,174 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,176 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:42:14,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:42:14,386 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:42:14,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14 WrapperNode [2024-11-10 10:42:14,387 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:42:14,388 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:42:14,389 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:42:14,389 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:42:14,394 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14" (1/1) ... [2024-11-10 10:42:14,463 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14" (1/1) ... [2024-11-10 10:42:14,546 INFO L138 Inliner]: procedures = 678, calls = 1677, calls flagged for inlining = 52, calls inlined = 11, statements flattened = 734 [2024-11-10 10:42:14,547 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:42:14,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:42:14,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:42:14,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:42:14,565 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14" (1/1) ... [2024-11-10 10:42:14,566 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14" (1/1) ... [2024-11-10 10:42:14,583 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14" (1/1) ... [2024-11-10 10:42:14,766 INFO L175 MemorySlicer]: Split 331 memory accesses to 6 slices as follows [238, 2, 3, 9, 73, 6]. 72 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 1, 5, 10, 0]. The 243 writes are split as follows [232, 0, 1, 2, 6, 2]. [2024-11-10 10:42:14,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14" (1/1) ... [2024-11-10 10:42:14,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14" (1/1) ... [2024-11-10 10:42:14,813 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14" (1/1) ... [2024-11-10 10:42:14,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14" (1/1) ... [2024-11-10 10:42:14,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14" (1/1) ... [2024-11-10 10:42:14,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14" (1/1) ... [2024-11-10 10:42:14,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:42:14,861 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:42:14,862 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:42:14,862 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:42:14,863 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14" (1/1) ... [2024-11-10 10:42:14,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:42:14,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:42:14,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 10:42:14,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 10:42:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure memmove_impl [2024-11-10 10:42:14,950 INFO L138 BoogieDeclarations]: Found implementation of procedure memmove_impl [2024-11-10 10:42:14,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:42:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-10 10:42:14,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-10 10:42:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-10 10:42:14,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-10 10:42:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:42:14,951 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:42:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:42:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:42:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:42:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:42:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:42:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:42:14,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:42:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:42:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:42:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:42:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:42:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:42:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 10:42:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 10:42:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:42:14,952 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:42:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:42:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:42:14,952 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint8_t [2024-11-10 10:42:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint8_t [2024-11-10 10:42:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:42:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:42:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:42:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:42:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:42:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:42:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:42:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:42:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:42:14,953 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:42:14,953 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:42:14,954 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:42:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-10 10:42:14,954 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-10 10:42:14,954 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-10 10:42:14,954 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-10 10:42:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:42:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:42:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:42:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:42:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:42:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:42:14,955 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-10 10:42:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-10 10:42:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:42:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:42:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-10 10:42:14,956 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-10 10:42:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:42:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:42:14,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:42:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:42:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:42:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:42:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:42:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:42:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:42:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:42:14,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:42:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:42:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:42:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:42:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:42:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-10 10:42:14,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-10 10:42:14,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:42:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:42:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:42:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:42:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:42:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:42:14,959 INFO L130 BoogieDeclarations]: Found specification of procedure my_memmove [2024-11-10 10:42:14,959 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memmove [2024-11-10 10:42:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-10 10:42:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-10 10:42:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-10 10:42:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-10 10:42:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-10 10:42:14,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-10 10:42:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:42:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:42:14,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:42:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:42:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:42:14,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:42:15,296 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:42:15,299 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:42:15,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-10 10:42:15,340 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L267: havoc #t~nondet10; [2024-11-10 10:42:15,364 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-10 10:42:15,401 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-10 10:42:15,406 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7446: havoc #t~ret688.base, #t~ret688.offset; [2024-11-10 10:42:15,502 INFO L1247 $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; [2024-11-10 10:42:15,506 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:42:15,512 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7393: havoc #t~ret682.base, #t~ret682.offset; [2024-11-10 10:42:22,725 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3355: havoc aws_array_list_pop_front_#t~ret182#1; [2024-11-10 10:42:22,725 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3387: havoc aws_array_list_erase_#t~ret196#1; [2024-11-10 10:42:23,135 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3445: havoc #t~ret230; [2024-11-10 10:42:23,136 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3432: havoc ~last_item_offset~1; [2024-11-10 10:42:23,290 INFO L? ?]: Removed 142 outVars from TransFormulas that were not future-live. [2024-11-10 10:42:23,290 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:42:23,321 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:42:23,322 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:42:23,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:42:23 BoogieIcfgContainer [2024-11-10 10:42:23,322 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:42:23,326 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:42:23,326 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:42:23,330 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:42:23,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:42:12" (1/3) ... [2024-11-10 10:42:23,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409f84b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:42:23, skipping insertion in model container [2024-11-10 10:42:23,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:42:14" (2/3) ... [2024-11-10 10:42:23,331 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@409f84b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:42:23, skipping insertion in model container [2024-11-10 10:42:23,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:42:23" (3/3) ... [2024-11-10 10:42:23,333 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_erase_harness.i [2024-11-10 10:42:23,351 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:42:23,351 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:42:23,432 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:42:23,443 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;@77c22a7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:42:23,444 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:42:23,451 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) [2024-11-10 10:42:23,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 10:42:23,464 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:42:23,465 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] [2024-11-10 10:42:23,466 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:42:23,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:42:23,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1982072228, now seen corresponding path program 1 times [2024-11-10 10:42:23,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:42:23,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18220524] [2024-11-10 10:42:23,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:42:23,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:42:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:42:30,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 10:42:30,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 10:42:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 10:42:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:42:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:42:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 10:42:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 10:42:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 10:42:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 10:42:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 10:42:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 10:42:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:42:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:42:30,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:30,819 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-11-10 10:42:30,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:42:30,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18220524] [2024-11-10 10:42:30,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18220524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:42:30,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:42:30,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 10:42:30,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391315827] [2024-11-10 10:42:30,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:42:30,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 10:42:30,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:42:30,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 10:42:30,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 10:42:30,865 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) [2024-11-10 10:42:34,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:42:39,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:42:46,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:42:46,864 INFO L93 Difference]: Finished difference Result 546 states and 840 transitions. [2024-11-10 10:42:46,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:42:46,867 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 [2024-11-10 10:42:46,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:42:46,881 INFO L225 Difference]: With dead ends: 546 [2024-11-10 10:42:46,881 INFO L226 Difference]: Without dead ends: 295 [2024-11-10 10:42:46,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:42:46,890 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 159 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 250 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 621 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 250 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.3s IncrementalHoareTripleChecker+Time [2024-11-10 10:42:46,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 388 Invalid, 621 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [250 Valid, 369 Invalid, 2 Unknown, 0 Unchecked, 15.3s Time] [2024-11-10 10:42:46,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2024-11-10 10:42:46,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 249. [2024-11-10 10:42:46,984 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) [2024-11-10 10:42:46,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 340 transitions. [2024-11-10 10:42:46,993 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 340 transitions. Word has length 87 [2024-11-10 10:42:46,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:42:46,995 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 340 transitions. [2024-11-10 10:42:46,996 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) [2024-11-10 10:42:46,996 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 340 transitions. [2024-11-10 10:42:46,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-10 10:42:47,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:42:47,001 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] [2024-11-10 10:42:47,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:42:47,001 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:42:47,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:42:47,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1149359706, now seen corresponding path program 1 times [2024-11-10 10:42:47,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:42:47,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635946247] [2024-11-10 10:42:47,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:42:47,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:42:51,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:54,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:42:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:54,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 10:42:54,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:54,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 10:42:54,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:54,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 10:42:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:54,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:42:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:54,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:42:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:55,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 10:42:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:55,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-10 10:42:55,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:56,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 10:42:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:56,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-10 10:42:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:56,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-10 10:42:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:56,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-10 10:42:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:56,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-10 10:42:56,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:56,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-10 10:42:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:42:56,172 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-10 10:42:56,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:42:56,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [635946247] [2024-11-10 10:42:56,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [635946247] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 10:42:56,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [780134790] [2024-11-10 10:42:56,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:42:56,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 10:42:56,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:42:56,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 10:42:56,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 10:43:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:01,425 INFO L255 TraceCheckSpWp]: Trace formula consists of 4132 conjuncts, 61 conjuncts are in the unsatisfiable core [2024-11-10 10:43:01,441 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 10:43:06,097 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_ensure_array_list_has_allocated_data_member_~list.offset_8 Int)) (and (= |c_#memory_$Pointer$#4.base| (store |c_old(#memory_$Pointer$#4.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#4.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#4.base| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8)))) (<= v_ensure_array_list_has_allocated_data_member_~list.offset_8 |c_ensure_array_list_has_allocated_data_member_#in~list.offset|) (= (store |c_old(#memory_$Pointer$#4.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#4.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#4.offset| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8))) |c_#memory_$Pointer$#4.offset|))) is different from true [2024-11-10 10:43:06,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-10 10:43:06,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-10 10:43:06,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-10 10:43:06,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2024-11-10 10:43:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 47 proven. 16 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-10 10:43:12,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 10:43:21,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [780134790] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 10:43:21,204 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-10 10:43:21,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 13] total 18 [2024-11-10 10:43:21,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740343094] [2024-11-10 10:43:21,205 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-10 10:43:21,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 10:43:21,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:43:21,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 10:43:21,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=632, Unknown=1, NotChecked=50, Total=756 [2024-11-10 10:43:21,208 INFO L87 Difference]: Start difference. First operand 249 states and 340 transitions. Second operand has 18 states, 16 states have (on average 4.4375) internal successors, (71), 13 states have internal predecessors, (71), 7 states have call successors, (31), 7 states have call predecessors, (31), 7 states have return successors, (28), 6 states have call predecessors, (28), 7 states have call successors, (28) [2024-11-10 10:43:25,275 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 []