./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/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_1.6.800.v20240513-1750.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_hash_table_create_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 74836a87661fce5875ab1ae94a73cbe51ee04e76d05fc1828decf2341972d635 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:12:45,986 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:12:46,051 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:12:46,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:12:46,059 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:12:46,080 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:12:46,082 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:12:46,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:12:46,082 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:12:46,082 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:12:46,083 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:12:46,083 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:12:46,083 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:12:46,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:12:46,084 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:12:46,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:12:46,084 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:12:46,084 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:12:46,084 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:12:46,084 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:12:46,085 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:12:46,085 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:12:46,085 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:12:46,085 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:12:46,085 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:12:46,085 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:12:46,085 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:12:46,085 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:12:46,085 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:12:46,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:12:46,085 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:12:46,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:12:46,086 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:12:46,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:12:46,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:12:46,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:12:46,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:12:46,086 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:12:46,086 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:12:46,086 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:12:46,086 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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 -> 74836a87661fce5875ab1ae94a73cbe51ee04e76d05fc1828decf2341972d635 [2025-03-17 07:12:46,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:12:46,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:12:46,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:12:46,341 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:12:46,342 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:12:46,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2025-03-17 07:12:47,469 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f1c9b0c/0557c258b1214d1aa047e05bda30fcf3/FLAG6e0dc66c5 [2025-03-17 07:12:47,911 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:12:47,911 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_create_harness.i [2025-03-17 07:12:47,937 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f1c9b0c/0557c258b1214d1aa047e05bda30fcf3/FLAG6e0dc66c5 [2025-03-17 07:12:48,042 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1f1c9b0c/0557c258b1214d1aa047e05bda30fcf3 [2025-03-17 07:12:48,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:12:48,044 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:12:48,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:12:48,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:12:48,050 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:12:48,051 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,052 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27cc1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:48, skipping insertion in model container [2025-03-17 07:12:48,052 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:12:48" (1/1) ... [2025-03-17 07:12:48,121 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:12:48,333 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_hash_table_create_harness.i[4495,4508] [2025-03-17 07:12:48,340 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_hash_table_create_harness.i[4555,4568] [2025-03-17 07:12:48,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:48,997 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,005 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,005 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,007 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,007 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,009 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,010 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,803 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,804 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,810 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,811 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,854 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_hash_table_create_harness.i[229089,229102] [2025-03-17 07:12:49,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:12:49,881 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:12:49,893 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_hash_table_create_harness.i[4495,4508] [2025-03-17 07:12:49,894 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_hash_table_create_harness.i[4555,4568] [2025-03-17 07:12:49,931 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,932 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,932 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,932 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,932 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,936 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,936 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,937 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,937 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,937 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,938 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,938 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,938 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:49,986 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7576-7587] [2025-03-17 07:12:50,071 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:50,071 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:50,076 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:50,076 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:50,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:50,078 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:50,083 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:50,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:50,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:50,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:50,084 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:50,085 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:50,086 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:50,102 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_hash_table_create_harness.i[229089,229102] [2025-03-17 07:12:50,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:12:50,224 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:12:50,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50 WrapperNode [2025-03-17 07:12:50,224 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:12:50,225 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:12:50,225 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:12:50,225 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:12:50,231 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50" (1/1) ... [2025-03-17 07:12:50,298 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50" (1/1) ... [2025-03-17 07:12:50,371 INFO L138 Inliner]: procedures = 764, calls = 2484, calls flagged for inlining = 68, calls inlined = 21, statements flattened = 1368 [2025-03-17 07:12:50,372 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:12:50,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:12:50,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:12:50,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:12:50,381 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50" (1/1) ... [2025-03-17 07:12:50,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50" (1/1) ... [2025-03-17 07:12:50,395 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50" (1/1) ... [2025-03-17 07:12:50,406 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-17 07:12:50,407 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50" (1/1) ... [2025-03-17 07:12:50,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50" (1/1) ... [2025-03-17 07:12:50,453 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50" (1/1) ... [2025-03-17 07:12:50,460 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50" (1/1) ... [2025-03-17 07:12:50,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50" (1/1) ... [2025-03-17 07:12:50,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50" (1/1) ... [2025-03-17 07:12:50,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:12:50,494 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:12:50,495 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:12:50,495 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:12:50,496 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50" (1/1) ... [2025-03-17 07:12:50,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:12:50,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:12:50,526 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) [2025-03-17 07:12:50,529 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 [2025-03-17 07:12:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2025-03-17 07:12:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2025-03-17 07:12:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-03-17 07:12:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-17 07:12:50,548 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-17 07:12:50,548 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:12:50,549 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:12:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:12:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:12:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:12:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-17 07:12:50,550 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-17 07:12:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-03-17 07:12:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-17 07:12:50,550 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2025-03-17 07:12:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:12:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:12:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_create [2025-03-17 07:12:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_create [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-17 07:12:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-17 07:12:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:12:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-17 07:12:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2025-03-17 07:12:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2025-03-17 07:12:50,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:12:50,551 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:12:50,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:12:50,552 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 07:12:50,553 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-17 07:12:50,553 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-17 07:12:50,916 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:12:50,918 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:12:51,001 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-17 07:12:51,021 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10008: havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~short1492;havoc #t~mem1493.base, #t~mem1493.offset;havoc #t~ret1494;havoc #t~short1495; [2025-03-17 07:12:51,030 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:12:51,057 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10121: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-17 07:12:51,080 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6940: havoc bounded_calloc_#t~malloc587#1.base, bounded_calloc_#t~malloc587#1.offset;call ULTIMATE.dealloc(bounded_calloc_~#required_bytes~1#1.base, bounded_calloc_~#required_bytes~1#1.offset);havoc bounded_calloc_~#required_bytes~1#1.base, bounded_calloc_~#required_bytes~1#1.offset; [2025-03-17 07:12:51,080 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6955: havoc #t~ret589#1;havoc #t~ite591#1.base, #t~ite591#1.offset;havoc #t~ret590#1.base, #t~ret590#1.offset; [2025-03-17 07:12:51,194 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2643: havoc aws_round_up_to_power_of_two_#t~ret62#1; [2025-03-17 07:12:51,194 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9201: call ULTIMATE.dealloc(~#size~0#1.base, ~#size~0#1.offset);havoc ~#size~0#1.base, ~#size~0#1.offset; [2025-03-17 07:12:51,198 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6986: havoc #t~ret600.base, #t~ret600.offset; [2025-03-17 07:12:51,216 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume false; [2025-03-17 07:12:51,216 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume !false; [2025-03-17 07:12:51,228 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:12:51,229 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:12:51,246 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume false; [2025-03-17 07:12:51,247 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume !false; [2025-03-17 07:12:51,247 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-17 07:12:51,265 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-17 07:12:51,265 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1; [2025-03-17 07:12:51,265 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-17 07:12:51,384 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9524: call ULTIMATE.dealloc(~#entry~4#1.base, ~#entry~4#1.offset);havoc ~#entry~4#1.base, ~#entry~4#1.offset;call ULTIMATE.dealloc(~#probe_idx~1#1.base, ~#probe_idx~1#1.offset);havoc ~#probe_idx~1#1.base, ~#probe_idx~1#1.offset;call ULTIMATE.dealloc(~#ignored~0#1.base, ~#ignored~0#1.offset);havoc ~#ignored~0#1.base, ~#ignored~0#1.offset;call ULTIMATE.dealloc(~#incr_entry_count~0#1.base, ~#incr_entry_count~0#1.offset);havoc ~#incr_entry_count~0#1.base, ~#incr_entry_count~0#1.offset;call ULTIMATE.dealloc(~#new_entry~0#1.base, ~#new_entry~0#1.offset);havoc ~#new_entry~0#1.base, ~#new_entry~0#1.offset; [2025-03-17 07:12:51,385 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9486: call ULTIMATE.dealloc(s_expand_table_~#template~1#1.base, s_expand_table_~#template~1#1.offset);havoc s_expand_table_~#template~1#1.base, s_expand_table_~#template~1#1.offset;call ULTIMATE.dealloc(s_expand_table_~#new_size~0#1.base, s_expand_table_~#new_size~0#1.offset);havoc s_expand_table_~#new_size~0#1.base, s_expand_table_~#new_size~0#1.offset; [2025-03-17 07:12:51,410 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9141: havoc #t~ret1142; [2025-03-17 07:12:51,514 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7009: call ULTIMATE.dealloc(aws_mem_calloc_~#required_bytes~2#1.base, aws_mem_calloc_~#required_bytes~2#1.offset);havoc aws_mem_calloc_~#required_bytes~2#1.base, aws_mem_calloc_~#required_bytes~2#1.offset; [2025-03-17 07:12:51,515 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9172: call ULTIMATE.dealloc(~#required_bytes~3#1.base, ~#required_bytes~3#1.offset);havoc ~#required_bytes~3#1.base, ~#required_bytes~3#1.offset; [2025-03-17 07:12:51,592 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9437-1: assume false; [2025-03-17 07:12:51,592 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9437-1: assume !false; [2025-03-17 07:12:51,592 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9478-1: assume false; [2025-03-17 07:12:51,592 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9478-1: assume !false; [2025-03-17 07:12:51,674 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9345: havoc #t~ret1203#1; [2025-03-17 07:12:51,701 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-17 07:12:51,717 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:12:57,039 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6833: havoc aws_hash_table_has_an_empty_slot_#t~mem566#1.base, aws_hash_table_has_an_empty_slot_#t~mem566#1.offset;havoc aws_hash_table_has_an_empty_slot_#t~ret567#1; [2025-03-17 07:12:57,039 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6843: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-17 07:12:57,242 INFO L? ?]: Removed 380 outVars from TransFormulas that were not future-live. [2025-03-17 07:12:57,242 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:12:57,271 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:12:57,272 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:12:57,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:12:57 BoogieIcfgContainer [2025-03-17 07:12:57,272 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:12:57,276 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:12:57,276 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:12:57,279 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:12:57,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:12:48" (1/3) ... [2025-03-17 07:12:57,280 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5666f494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:12:57, skipping insertion in model container [2025-03-17 07:12:57,280 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:50" (2/3) ... [2025-03-17 07:12:57,281 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5666f494 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:12:57, skipping insertion in model container [2025-03-17 07:12:57,281 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:12:57" (3/3) ... [2025-03-17 07:12:57,282 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_create_harness.i [2025-03-17 07:12:57,294 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:12:57,298 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_create_harness.i that has 31 procedures, 390 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-03-17 07:12:57,353 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:12:57,365 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;@28fb8eb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:12:57,365 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:12:57,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 390 states, 276 states have (on average 1.3115942028985508) internal successors, (362), 273 states have internal predecessors, (362), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2025-03-17 07:12:57,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-17 07:12:57,382 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:12:57,383 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:12:57,383 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:12:57,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:12:57,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1770521434, now seen corresponding path program 1 times [2025-03-17 07:12:57,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:12:57,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711447364] [2025-03-17 07:12:57,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:12:57,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:01,977 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 07:13:02,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 07:13:02,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:02,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:02,709 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2025-03-17 07:13:02,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:02,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711447364] [2025-03-17 07:13:02,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711447364] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:02,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682012155] [2025-03-17 07:13:02,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:02,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:02,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:02,713 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) [2025-03-17 07:13:02,715 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 07:13:07,005 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 07:13:07,497 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 07:13:07,497 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:07,497 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:07,517 INFO L256 TraceCheckSpWp]: Trace formula consists of 4401 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:13:07,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:07,541 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2025-03-17 07:13:07,541 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:07,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [682012155] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:07,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:07,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:13:07,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203736567] [2025-03-17 07:13:07,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:07,546 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:13:07,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:07,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:13:07,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:13:07,561 INFO L87 Difference]: Start difference. First operand has 390 states, 276 states have (on average 1.3115942028985508) internal successors, (362), 273 states have internal predecessors, (362), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-17 07:13:07,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:07,781 INFO L93 Difference]: Finished difference Result 775 states and 1121 transitions. [2025-03-17 07:13:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:13:07,783 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2025-03-17 07:13:07,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:07,790 INFO L225 Difference]: With dead ends: 775 [2025-03-17 07:13:07,790 INFO L226 Difference]: Without dead ends: 384 [2025-03-17 07:13:07,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:13:07,795 INFO L435 NwaCegarLoop]: 511 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:07,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 511 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 07:13:07,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 384 states. [2025-03-17 07:13:07,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 384 to 384. [2025-03-17 07:13:07,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 267 states have (on average 1.2958801498127341) internal successors, (346), 269 states have internal predecessors, (346), 86 states have call successors, (86), 30 states have call predecessors, (86), 30 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2025-03-17 07:13:07,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 516 transitions. [2025-03-17 07:13:07,858 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 516 transitions. Word has length 121 [2025-03-17 07:13:07,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:07,859 INFO L471 AbstractCegarLoop]: Abstraction has 384 states and 516 transitions. [2025-03-17 07:13:07,859 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-17 07:13:07,859 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 516 transitions. [2025-03-17 07:13:07,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-17 07:13:07,864 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:07,864 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:13:07,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 07:13:08,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 07:13:08,065 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:08,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:08,066 INFO L85 PathProgramCache]: Analyzing trace with hash 343340007, now seen corresponding path program 1 times [2025-03-17 07:13:08,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:08,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257291365] [2025-03-17 07:13:08,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:08,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:12,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 07:13:12,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 07:13:12,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:12,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:13,403 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-03-17 07:13:13,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:13,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257291365] [2025-03-17 07:13:13,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257291365] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:13,404 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:13:13,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 07:13:13,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601068105] [2025-03-17 07:13:13,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:13,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:13:13,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:13,406 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:13:13,406 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:13:13,406 INFO L87 Difference]: Start difference. First operand 384 states and 516 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-17 07:13:14,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:14,184 INFO L93 Difference]: Finished difference Result 765 states and 1032 transitions. [2025-03-17 07:13:14,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:13:14,187 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 121 [2025-03-17 07:13:14,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:14,193 INFO L225 Difference]: With dead ends: 765 [2025-03-17 07:13:14,197 INFO L226 Difference]: Without dead ends: 389 [2025-03-17 07:13:14,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:13:14,200 INFO L435 NwaCegarLoop]: 501 mSDtfsCounter, 0 mSDsluCounter, 1499 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2000 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:14,200 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2000 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-03-17 07:13:14,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2025-03-17 07:13:14,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2025-03-17 07:13:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 271 states have (on average 1.2915129151291513) internal successors, (350), 273 states have internal predecessors, (350), 86 states have call successors, (86), 30 states have call predecessors, (86), 31 states have return successors, (88), 85 states have call predecessors, (88), 84 states have call successors, (88) [2025-03-17 07:13:14,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 524 transitions. [2025-03-17 07:13:14,234 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 524 transitions. Word has length 121 [2025-03-17 07:13:14,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:14,234 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 524 transitions. [2025-03-17 07:13:14,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (22), 2 states have call predecessors, (22), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-17 07:13:14,234 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 524 transitions. [2025-03-17 07:13:14,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-17 07:13:14,236 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:14,236 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:13:14,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 07:13:14,236 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:14,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:14,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1191695274, now seen corresponding path program 1 times [2025-03-17 07:13:14,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:14,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879216194] [2025-03-17 07:13:14,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:14,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:18,082 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-17 07:13:18,203 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-17 07:13:18,203 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:18,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:19,467 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-03-17 07:13:19,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:19,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879216194] [2025-03-17 07:13:19,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879216194] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:19,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:13:19,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 07:13:19,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390178299] [2025-03-17 07:13:19,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:19,468 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:13:19,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:19,469 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:13:19,469 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:13:19,469 INFO L87 Difference]: Start difference. First operand 389 states and 524 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-17 07:13:20,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:20,466 INFO L93 Difference]: Finished difference Result 766 states and 1031 transitions. [2025-03-17 07:13:20,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:13:20,471 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 126 [2025-03-17 07:13:20,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:20,476 INFO L225 Difference]: With dead ends: 766 [2025-03-17 07:13:20,476 INFO L226 Difference]: Without dead ends: 389 [2025-03-17 07:13:20,477 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:13:20,478 INFO L435 NwaCegarLoop]: 495 mSDtfsCounter, 21 mSDsluCounter, 1439 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 1934 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:20,478 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 1934 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-17 07:13:20,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2025-03-17 07:13:20,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 389. [2025-03-17 07:13:20,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 271 states have (on average 1.2878228782287824) internal successors, (349), 273 states have internal predecessors, (349), 86 states have call successors, (86), 30 states have call predecessors, (86), 31 states have return successors, (88), 85 states have call predecessors, (88), 84 states have call successors, (88) [2025-03-17 07:13:20,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 523 transitions. [2025-03-17 07:13:20,500 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 523 transitions. Word has length 126 [2025-03-17 07:13:20,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:20,501 INFO L471 AbstractCegarLoop]: Abstraction has 389 states and 523 transitions. [2025-03-17 07:13:20,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2025-03-17 07:13:20,501 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 523 transitions. [2025-03-17 07:13:20,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2025-03-17 07:13:20,503 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:20,503 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:13:20,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 07:13:20,504 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:20,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:20,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1295424501, now seen corresponding path program 1 times [2025-03-17 07:13:20,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:20,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619630644] [2025-03-17 07:13:20,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:20,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:24,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 126 statements into 1 equivalence classes. [2025-03-17 07:13:24,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 126 of 126 statements. [2025-03-17 07:13:24,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:24,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2025-03-17 07:13:28,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:28,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619630644] [2025-03-17 07:13:28,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619630644] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:28,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:13:28,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-17 07:13:28,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86646961] [2025-03-17 07:13:28,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:28,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 07:13:28,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:28,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 07:13:28,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-17 07:13:28,321 INFO L87 Difference]: Start difference. First operand 389 states and 523 transitions. Second operand has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2025-03-17 07:13:32,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:13:36,822 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:13:41,245 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:13:45,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:13:50,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:13:58,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:58,517 INFO L93 Difference]: Finished difference Result 762 states and 1023 transitions. [2025-03-17 07:13:58,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 07:13:58,529 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) Word has length 126 [2025-03-17 07:13:58,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:58,533 INFO L225 Difference]: With dead ends: 762 [2025-03-17 07:13:58,533 INFO L226 Difference]: Without dead ends: 392 [2025-03-17 07:13:58,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-17 07:13:58,535 INFO L435 NwaCegarLoop]: 495 mSDtfsCounter, 5 mSDsluCounter, 3232 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 1 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 27.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 3727 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 29.5s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:58,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 3727 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 371 Invalid, 5 Unknown, 0 Unchecked, 29.5s Time] [2025-03-17 07:13:58,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 392 states. [2025-03-17 07:13:58,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 392 to 392. [2025-03-17 07:13:58,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 273 states have (on average 1.2857142857142858) internal successors, (351), 276 states have internal predecessors, (351), 86 states have call successors, (86), 30 states have call predecessors, (86), 32 states have return successors, (89), 85 states have call predecessors, (89), 84 states have call successors, (89) [2025-03-17 07:13:58,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 526 transitions. [2025-03-17 07:13:58,558 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 526 transitions. Word has length 126 [2025-03-17 07:13:58,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:58,558 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 526 transitions. [2025-03-17 07:13:58,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (20), 4 states have call predecessors, (20), 4 states have call successors, (20) [2025-03-17 07:13:58,559 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 526 transitions. [2025-03-17 07:13:58,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2025-03-17 07:13:58,560 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:58,560 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:13:58,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 07:13:58,560 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:58,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:58,561 INFO L85 PathProgramCache]: Analyzing trace with hash -732718854, now seen corresponding path program 1 times [2025-03-17 07:13:58,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:58,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126819327] [2025-03-17 07:13:58,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:58,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:02,242 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-17 07:14:02,320 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-17 07:14:02,321 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:02,321 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:05,021 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2025-03-17 07:14:05,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:14:05,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126819327] [2025-03-17 07:14:05,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126819327] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:14:05,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1320912473] [2025-03-17 07:14:05,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:05,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:14:05,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:05,023 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:14:05,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 07:14:09,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 132 statements into 1 equivalence classes. [2025-03-17 07:14:09,793 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 132 of 132 statements. [2025-03-17 07:14:09,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:09,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:09,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 4430 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-17 07:14:09,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:14:15,898 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((v_aws_hash_table_is_valid_~map.base_4 Int) (v_aws_hash_table_is_valid_~map.offset_4 Int)) (not (= (select (select |c_#memory_$Pointer$.offset| v_aws_hash_table_is_valid_~map.base_4) v_aws_hash_table_is_valid_~map.offset_4) 0))) (exists ((v_aws_hash_table_is_valid_~map.base_4 Int) (v_aws_hash_table_is_valid_~map.offset_4 Int)) (not (= (select (select |c_#memory_$Pointer$.base| v_aws_hash_table_is_valid_~map.base_4) v_aws_hash_table_is_valid_~map.offset_4) 0)))) is different from true