./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.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_remove_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 190ae31efe96144321a53f6fa3a58be363d46a0faaff78a47cf06f9f2e955d78 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:14:34,288 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:14:34,336 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:14:34,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:14:34,342 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:14:34,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:14:34,367 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:14:34,367 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:14:34,367 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:14:34,368 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:14:34,368 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:14:34,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:14:34,369 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:14:34,369 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:14:34,369 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:14:34,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:14:34,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:14:34,369 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:14:34,370 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:14:34,370 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:14:34,370 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:14:34,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:14:34,370 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:14:34,370 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:14:34,370 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:14:34,370 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:14:34,370 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:14:34,370 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:14:34,370 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:14:34,370 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:14:34,371 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:14:34,371 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:14:34,371 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:14:34,371 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:14:34,371 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:14:34,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:14:34,371 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:14:34,371 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:14:34,371 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:14:34,371 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:14:34,372 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 -> 190ae31efe96144321a53f6fa3a58be363d46a0faaff78a47cf06f9f2e955d78 [2025-03-17 07:14:34,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:14:34,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:14:34,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:14:34,607 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:14:34,608 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:14:34,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i [2025-03-17 07:14:35,789 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ed8b654/218832db5acb4bbbab1f4b5bcd7b20c4/FLAG9a164a965 [2025-03-17 07:14:36,317 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:14:36,317 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i [2025-03-17 07:14:36,351 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ed8b654/218832db5acb4bbbab1f4b5bcd7b20c4/FLAG9a164a965 [2025-03-17 07:14:36,362 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f6ed8b654/218832db5acb4bbbab1f4b5bcd7b20c4 [2025-03-17 07:14:36,365 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:14:36,366 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:14:36,367 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:14:36,367 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:14:36,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:14:36,371 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:14:36" (1/1) ... [2025-03-17 07:14:36,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4914b6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:36, skipping insertion in model container [2025-03-17 07:14:36,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:14:36" (1/1) ... [2025-03-17 07:14:36,435 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:14:36,656 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_remove_harness_negated.i[4495,4508] [2025-03-17 07:14:36,665 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_remove_harness_negated.i[4555,4568] [2025-03-17 07:14:37,386 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,387 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,388 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,388 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,403 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,404 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,405 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,405 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,405 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,132 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,133 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,169 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,170 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,178 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,179 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,200 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,202 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,203 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,280 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_remove_harness_negated.i[230039,230052] [2025-03-17 07:14:38,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:14:38,308 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:14:38,323 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_remove_harness_negated.i[4495,4508] [2025-03-17 07:14:38,324 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_remove_harness_negated.i[4555,4568] [2025-03-17 07:14:38,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,366 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,366 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,370 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,371 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,372 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,373 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,374 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,420 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2025-03-17 07:14:38,469 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,470 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,474 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,474 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,476 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,476 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,482 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,483 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,483 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,484 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,484 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,484 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,485 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,498 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_remove_harness_negated.i[230039,230052] [2025-03-17 07:14:38,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:14:38,689 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:14:38,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38 WrapperNode [2025-03-17 07:14:38,690 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:14:38,691 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:14:38,691 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:14:38,692 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:14:38,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:38,766 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:38,839 INFO L138 Inliner]: procedures = 764, calls = 2494, calls flagged for inlining = 70, calls inlined = 19, statements flattened = 1091 [2025-03-17 07:14:38,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:14:38,840 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:14:38,840 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:14:38,840 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:14:38,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:38,848 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:38,857 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:38,931 INFO L175 MemorySlicer]: Split 368 memory accesses to 12 slices as follows [2, 3, 2, 243, 14, 4, 72, 15, 3, 1, 7, 2]. 66 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 0, 11, 10, 0, 0, 0, 0, 0, 0, 0]. The 256 writes are split as follows [0, 2, 1, 232, 0, 2, 10, 1, 3, 1, 3, 1]. [2025-03-17 07:14:38,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:38,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:38,968 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:38,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:38,984 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:38,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,014 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:14:39,015 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:14:39,015 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:14:39,015 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:14:39,015 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:14:39,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:39,043 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 07:14:39,047 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 07:14:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-17 07:14:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-17 07:14:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-17 07:14:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-17 07:14:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-17 07:14:39,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-17 07:14:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-17 07:14:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-17 07:14:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-17 07:14:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-17 07:14:39,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-17 07:14:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-03-17 07:14:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-17 07:14:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-17 07:14:39,086 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:14:39,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:14:39,087 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:14:39,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 07:14:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 07:14:39,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:14:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:14:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-17 07:14:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-17 07:14:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 07:14:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:14:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-17 07:14:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-17 07:14:39,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:14:39,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:14:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:14:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-17 07:14:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:14:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:14:39,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:14:39,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-17 07:14:39,092 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 07:14:39,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:14:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:14:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:14:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:14:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-03-17 07:14:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-17 07:14:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-17 07:14:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-17 07:14:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-03-17 07:14:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:14:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 07:14:39,093 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-17 07:14:39,093 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-17 07:14:39,466 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:14:39,467 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:14:39,512 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-17 07:14:39,533 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume false; [2025-03-17 07:14:39,534 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume !false; [2025-03-17 07:14:39,559 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:14:39,562 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:14:39,669 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9311: havoc #t~ret1203#1; [2025-03-17 07:14:39,757 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9128-1: assume false; [2025-03-17 07:14:39,757 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9128-1: assume !false; [2025-03-17 07:14:39,757 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9624-1: assume false; [2025-03-17 07:14:39,757 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9624-1: assume !false; [2025-03-17 07:14:39,772 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume false; [2025-03-17 07:14:39,772 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume !false; [2025-03-17 07:14:39,772 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-17 07:14:39,828 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10087: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-17 07:14:39,841 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7374: havoc #t~ret690.base, #t~ret690.offset; [2025-03-17 07:14:39,870 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9974: 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 07:14:39,872 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:14:39,895 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-17 07:14:39,895 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1; [2025-03-17 07:14:39,895 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-17 07:14:39,904 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9109: havoc #t~ret1142; [2025-03-17 07:14:39,929 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-17 07:14:39,944 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:14:45,074 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume false; [2025-03-17 07:14:45,074 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume !false; [2025-03-17 07:14:45,074 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9675-1: assume false; [2025-03-17 07:14:45,074 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9675-1: assume !false; [2025-03-17 07:14:45,075 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6821: 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 07:14:45,075 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6831: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-17 07:14:45,226 INFO L? ?]: Removed 302 outVars from TransFormulas that were not future-live. [2025-03-17 07:14:45,226 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:14:45,251 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:14:45,251 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:14:45,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:14:45 BoogieIcfgContainer [2025-03-17 07:14:45,255 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:14:45,256 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:14:45,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:14:45,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:14:45,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:14:36" (1/3) ... [2025-03-17 07:14:45,260 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1982f671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:14:45, skipping insertion in model container [2025-03-17 07:14:45,260 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (2/3) ... [2025-03-17 07:14:45,261 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1982f671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:14:45, skipping insertion in model container [2025-03-17 07:14:45,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:14:45" (3/3) ... [2025-03-17 07:14:45,264 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_remove_harness_negated.i [2025-03-17 07:14:45,275 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:14:45,277 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_remove_harness_negated.i that has 28 procedures, 327 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-17 07:14:45,323 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:14:45,333 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;@68f3ebfd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:14:45,333 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:14:45,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 327 states, 217 states have (on average 1.2672811059907834) internal successors, (275), 212 states have internal predecessors, (275), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-03-17 07:14:45,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2025-03-17 07:14:45,350 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:45,350 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:14:45,351 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:45,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:45,357 INFO L85 PathProgramCache]: Analyzing trace with hash -504887806, now seen corresponding path program 1 times [2025-03-17 07:14:45,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:45,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425996502] [2025-03-17 07:14:45,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:45,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:49,773 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-03-17 07:14:50,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-03-17 07:14:50,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:50,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:50,527 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2025-03-17 07:14:50,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:14:50,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425996502] [2025-03-17 07:14:50,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425996502] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:14:50,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165075235] [2025-03-17 07:14:50,528 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:50,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:14:50,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:50,531 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 07:14:50,533 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 07:14:54,758 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-03-17 07:14:55,236 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-03-17 07:14:55,237 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:55,237 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:55,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 4557 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:14:55,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:14:55,293 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2025-03-17 07:14:55,294 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:14:55,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165075235] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:14:55,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:14:55,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:14:55,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738903608] [2025-03-17 07:14:55,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:14:55,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:14:55,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:14:55,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:14:55,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:14:55,319 INFO L87 Difference]: Start difference. First operand has 327 states, 217 states have (on average 1.2672811059907834) internal successors, (275), 212 states have internal predecessors, (275), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-17 07:14:55,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:14:55,445 INFO L93 Difference]: Finished difference Result 649 states and 959 transitions. [2025-03-17 07:14:55,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:14:55,447 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 179 [2025-03-17 07:14:55,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:14:55,454 INFO L225 Difference]: With dead ends: 649 [2025-03-17 07:14:55,454 INFO L226 Difference]: Without dead ends: 321 [2025-03-17 07:14:55,459 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 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 07:14:55,462 INFO L435 NwaCegarLoop]: 429 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 07:14:55,462 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 429 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 07:14:55,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2025-03-17 07:14:55,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2025-03-17 07:14:55,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 206 states have (on average 1.2427184466019416) internal successors, (256), 208 states have internal predecessors, (256), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 07:14:55,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 428 transitions. [2025-03-17 07:14:55,525 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 428 transitions. Word has length 179 [2025-03-17 07:14:55,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:14:55,526 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 428 transitions. [2025-03-17 07:14:55,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-17 07:14:55,526 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 428 transitions. [2025-03-17 07:14:55,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2025-03-17 07:14:55,530 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:55,530 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:14:55,548 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 07:14:55,730 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 07:14:55,731 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:55,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:55,731 INFO L85 PathProgramCache]: Analyzing trace with hash 2051645219, now seen corresponding path program 1 times [2025-03-17 07:14:55,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:55,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1201322438] [2025-03-17 07:14:55,732 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:55,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:59,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-03-17 07:14:59,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-03-17 07:14:59,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:59,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:00,826 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-03-17 07:15:00,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:00,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1201322438] [2025-03-17 07:15:00,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1201322438] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:15:00,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:15:00,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 07:15:00,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187788625] [2025-03-17 07:15:00,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:15:00,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:15:00,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:15:00,828 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:15:00,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:15:00,832 INFO L87 Difference]: Start difference. First operand 321 states and 428 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-17 07:15:01,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:15:01,251 INFO L93 Difference]: Finished difference Result 607 states and 813 transitions. [2025-03-17 07:15:01,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:15:01,252 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 179 [2025-03-17 07:15:01,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:15:01,255 INFO L225 Difference]: With dead ends: 607 [2025-03-17 07:15:01,255 INFO L226 Difference]: Without dead ends: 326 [2025-03-17 07:15:01,256 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 07:15:01,256 INFO L435 NwaCegarLoop]: 419 mSDtfsCounter, 0 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1672 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 07:15:01,257 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1672 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 07:15:01,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-03-17 07:15:01,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2025-03-17 07:15:01,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 212 states have internal predecessors, (260), 87 states have call successors, (87), 27 states have call predecessors, (87), 28 states have return successors, (86), 86 states have call predecessors, (86), 85 states have call successors, (86) [2025-03-17 07:15:01,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 433 transitions. [2025-03-17 07:15:01,279 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 433 transitions. Word has length 179 [2025-03-17 07:15:01,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:15:01,279 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 433 transitions. [2025-03-17 07:15:01,280 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-17 07:15:01,280 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 433 transitions. [2025-03-17 07:15:01,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-17 07:15:01,281 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:15:01,282 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:15:01,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 07:15:01,282 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:15:01,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:15:01,282 INFO L85 PathProgramCache]: Analyzing trace with hash 531980606, now seen corresponding path program 1 times [2025-03-17 07:15:01,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:15:01,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391461726] [2025-03-17 07:15:01,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:01,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:15:05,164 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-17 07:15:05,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-17 07:15:05,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:05,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:09,005 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-17 07:15:09,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:09,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391461726] [2025-03-17 07:15:09,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391461726] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:15:09,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [998651336] [2025-03-17 07:15:09,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:09,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:09,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:15:09,007 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 07:15:09,008 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 07:15:13,314 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-17 07:15:13,777 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-17 07:15:13,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:13,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:13,797 INFO L256 TraceCheckSpWp]: Trace formula consists of 4557 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-03-17 07:15:13,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:15:15,102 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-17 07:15:24,903 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-17 07:15:24,904 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:15:24,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [998651336] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:15:24,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:15:24,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 19 [2025-03-17 07:15:24,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [529671091] [2025-03-17 07:15:24,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:15:24,904 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 07:15:24,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:15:24,905 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 07:15:24,905 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2025-03-17 07:15:24,906 INFO L87 Difference]: Start difference. First operand 326 states and 433 transitions. Second operand has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2025-03-17 07:15:28,964 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 07:15:33,447 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:15:49,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:15:49,262 INFO L93 Difference]: Finished difference Result 625 states and 840 transitions. [2025-03-17 07:15:49,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 07:15:49,263 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) Word has length 184 [2025-03-17 07:15:49,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:15:49,267 INFO L225 Difference]: With dead ends: 625 [2025-03-17 07:15:49,267 INFO L226 Difference]: Without dead ends: 354 [2025-03-17 07:15:49,268 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 150 SyntacticMatches, 26 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2025-03-17 07:15:49,269 INFO L435 NwaCegarLoop]: 396 mSDtfsCounter, 320 mSDsluCounter, 2186 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 52 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 325 SdHoareTripleChecker+Valid, 2582 SdHoareTripleChecker+Invalid, 1023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2025-03-17 07:15:49,269 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [325 Valid, 2582 Invalid, 1023 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 969 Invalid, 2 Unknown, 0 Unchecked, 23.3s Time] [2025-03-17 07:15:49,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2025-03-17 07:15:49,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 344. [2025-03-17 07:15:49,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 225 states have (on average 1.231111111111111) internal successors, (277), 227 states have internal predecessors, (277), 87 states have call successors, (87), 30 states have call predecessors, (87), 31 states have return successors, (86), 86 states have call predecessors, (86), 85 states have call successors, (86) [2025-03-17 07:15:49,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 450 transitions. [2025-03-17 07:15:49,298 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 450 transitions. Word has length 184 [2025-03-17 07:15:49,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:15:49,298 INFO L471 AbstractCegarLoop]: Abstraction has 344 states and 450 transitions. [2025-03-17 07:15:49,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.090909090909091) internal successors, (78), 11 states have internal predecessors, (78), 5 states have call successors, (32), 3 states have call predecessors, (32), 5 states have return successors, (30), 5 states have call predecessors, (30), 5 states have call successors, (30) [2025-03-17 07:15:49,298 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 450 transitions. [2025-03-17 07:15:49,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-17 07:15:49,300 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:15:49,300 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:15:49,321 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 07:15:49,501 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-03-17 07:15:49,501 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:15:49,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:15:49,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1978986301, now seen corresponding path program 1 times [2025-03-17 07:15:49,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:15:49,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473084076] [2025-03-17 07:15:49,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:49,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:15:53,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-17 07:15:53,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-17 07:15:53,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:53,191 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:54,304 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-17 07:15:54,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:54,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473084076] [2025-03-17 07:15:54,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [473084076] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:15:54,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [341862088] [2025-03-17 07:15:54,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:54,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:54,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:15:54,307 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:15:54,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 07:15:58,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-17 07:15:58,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-17 07:15:58,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:58,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:58,963 INFO L256 TraceCheckSpWp]: Trace formula consists of 4542 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 07:15:58,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:15:59,865 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2025-03-17 07:15:59,866 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:15:59,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [341862088] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:15:59,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:15:59,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 8 [2025-03-17 07:15:59,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329674242] [2025-03-17 07:15:59,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:15:59,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:15:59,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:15:59,868 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:15:59,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:15:59,868 INFO L87 Difference]: Start difference. First operand 344 states and 450 transitions. Second operand has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-03-17 07:16:00,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:16:00,747 INFO L93 Difference]: Finished difference Result 619 states and 826 transitions. [2025-03-17 07:16:00,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:16:00,747 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 184 [2025-03-17 07:16:00,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:16:00,751 INFO L225 Difference]: With dead ends: 619 [2025-03-17 07:16:00,751 INFO L226 Difference]: Without dead ends: 349 [2025-03-17 07:16:00,752 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-03-17 07:16:00,752 INFO L435 NwaCegarLoop]: 410 mSDtfsCounter, 52 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 1139 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 07:16:00,753 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 1139 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 07:16:00,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2025-03-17 07:16:00,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2025-03-17 07:16:00,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 228 states have (on average 1.2280701754385965) internal successors, (280), 231 states have internal predecessors, (280), 88 states have call successors, (88), 30 states have call predecessors, (88), 32 states have return successors, (90), 87 states have call predecessors, (90), 86 states have call successors, (90) [2025-03-17 07:16:00,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 458 transitions. [2025-03-17 07:16:00,775 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 458 transitions. Word has length 184 [2025-03-17 07:16:00,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:16:00,775 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 458 transitions. [2025-03-17 07:16:00,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.0) internal successors, (75), 5 states have internal predecessors, (75), 3 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2025-03-17 07:16:00,775 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 458 transitions. [2025-03-17 07:16:00,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-17 07:16:00,777 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:16:00,777 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:16:00,798 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 07:16:00,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:16:00,978 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:16:00,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:16:00,979 INFO L85 PathProgramCache]: Analyzing trace with hash -1162079815, now seen corresponding path program 1 times [2025-03-17 07:16:00,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:16:00,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258362053] [2025-03-17 07:16:00,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:16:00,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:16:04,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-17 07:16:05,016 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-17 07:16:05,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:16:05,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat