./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 798a7b37 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-?-798a7b3-m [2025-03-04 02:55:58,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:55:58,334 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:55:58,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:55:58,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:55:58,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:55:58,361 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:55:58,361 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:55:58,361 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:55:58,361 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:55:58,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:55:58,361 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:55:58,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:55:58,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:55:58,362 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:55:58,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:55:58,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:55:58,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:55:58,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:55:58,363 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:55:58,363 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:55:58,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:55:58,364 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:55:58,364 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:55:58,364 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:55:58,364 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:55:58,364 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:55:58,364 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:55:58,364 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:55:58,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:55:58,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:55:58,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:55:58,365 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:55:58,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:55:58,365 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:55:58,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:55:58,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:55:58,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:55:58,365 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:55:58,365 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:55:58,365 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 [2025-03-04 02:55:58,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:55:58,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:55:58,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:55:58,602 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:55:58,602 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:55:58,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i [2025-03-04 02:55:59,700 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/849ca98a2/5db4e2e419374ca7bff4a4fe8d0703b3/FLAG71fed9a8d [2025-03-04 02:56:00,198 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:56:00,199 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness_negated.i [2025-03-04 02:56:00,236 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/849ca98a2/5db4e2e419374ca7bff4a4fe8d0703b3/FLAG71fed9a8d [2025-03-04 02:56:00,275 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/849ca98a2/5db4e2e419374ca7bff4a4fe8d0703b3 [2025-03-04 02:56:00,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:56:00,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:56:00,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:56:00,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:56:00,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:56:00,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a1925ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:00, skipping insertion in model container [2025-03-04 02:56:00,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:56:00" (1/1) ... [2025-03-04 02:56:00,366 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:56:00,600 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] [2025-03-04 02:56:00,608 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] [2025-03-04 02:56:01,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:01,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:01,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:01,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:01,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:01,450 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:01,451 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:01,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:01,452 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:01,453 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:01,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:01,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:01,454 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,208 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,208 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,213 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,215 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,231 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,234 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,235 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,272 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] [2025-03-04 02:56:02,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:56:02,302 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:56:02,316 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] [2025-03-04 02:56:02,316 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] [2025-03-04 02:56:02,352 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,359 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,360 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,361 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,362 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,427 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2025-03-04 02:56:02,536 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,537 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,544 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,544 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,546 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,546 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,555 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,556 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,557 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,557 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:56:02,571 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] [2025-03-04 02:56:02,572 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:56:02,698 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:56:02,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02 WrapperNode [2025-03-04 02:56:02,699 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:56:02,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:56:02,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:56:02,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:56:02,704 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02" (1/1) ... [2025-03-04 02:56:02,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02" (1/1) ... [2025-03-04 02:56:02,848 INFO L138 Inliner]: procedures = 764, calls = 2494, calls flagged for inlining = 70, calls inlined = 19, statements flattened = 1091 [2025-03-04 02:56:02,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:56:02,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:56:02,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:56:02,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:56:02,857 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02" (1/1) ... [2025-03-04 02:56:02,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02" (1/1) ... [2025-03-04 02:56:02,870 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02" (1/1) ... [2025-03-04 02:56:02,955 INFO L175 MemorySlicer]: Split 368 memory accesses to 12 slices as follows [14, 2, 3, 2, 7, 3, 2, 15, 4, 1, 243, 72]. 66 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [10, 2, 0, 0, 0, 0, 0, 0, 0, 0, 11, 0]. The 256 writes are split as follows [0, 0, 2, 1, 3, 3, 1, 1, 2, 1, 232, 10]. [2025-03-04 02:56:02,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02" (1/1) ... [2025-03-04 02:56:02,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02" (1/1) ... [2025-03-04 02:56:02,992 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02" (1/1) ... [2025-03-04 02:56:02,995 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02" (1/1) ... [2025-03-04 02:56:03,009 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02" (1/1) ... [2025-03-04 02:56:03,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02" (1/1) ... [2025-03-04 02:56:03,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:56:03,040 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:56:03,040 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:56:03,040 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:56:03,041 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02" (1/1) ... [2025-03-04 02:56:03,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:56:03,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:56:03,067 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) [2025-03-04 02:56:03,072 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 [2025-03-04 02:56:03,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-04 02:56:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-04 02:56:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-04 02:56:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-04 02:56:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-04 02:56:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-04 02:56:03,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-04 02:56:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:56:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:56:03,089 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:56:03,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:56:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:56:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-04 02:56:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-04 02:56:03,090 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-04 02:56:03,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-04 02:56:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-04 02:56:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 02:56:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 02:56:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:56:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:56:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-04 02:56:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-04 02:56:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:56:03,091 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:56:03,091 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:56:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 02:56:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-04 02:56:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:56:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 02:56:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-04 02:56:03,094 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:56:03,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-04 02:56:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 02:56:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 02:56:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:56:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-03-04 02:56:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-04 02:56:03,095 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-04 02:56:03,095 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-04 02:56:03,097 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-04 02:56:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-04 02:56:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-03-04 02:56:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:56:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-04 02:56:03,098 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-04 02:56:03,098 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-04 02:56:03,448 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:56:03,451 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:56:03,485 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-04 02:56:03,518 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume false; [2025-03-04 02:56:03,518 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume !false; [2025-03-04 02:56:03,541 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 02:56:03,546 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:56:03,666 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9311: havoc #t~ret1203#1; [2025-03-04 02:56:03,776 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9128-1: assume false; [2025-03-04 02:56:03,776 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9128-1: assume !false; [2025-03-04 02:56:03,776 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9624-1: assume false; [2025-03-04 02:56:03,776 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9624-1: assume !false; [2025-03-04 02:56:03,802 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume false; [2025-03-04 02:56:03,802 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume !false; [2025-03-04 02:56:03,802 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-04 02:56:03,856 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10087: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-04 02:56:03,868 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7374: havoc #t~ret690.base, #t~ret690.offset; [2025-03-04 02:56:03,892 INFO L1325 $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; [2025-03-04 02:56:03,895 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:56:03,916 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-04 02:56:03,916 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1; [2025-03-04 02:56:03,916 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-04 02:56:03,926 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9109: havoc #t~ret1142; [2025-03-04 02:56:03,945 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-04 02:56:03,960 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 02:56:09,032 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume false; [2025-03-04 02:56:09,033 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume !false; [2025-03-04 02:56:09,033 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9675-1: assume false; [2025-03-04 02:56:09,033 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9675-1: assume !false; [2025-03-04 02:56:09,033 INFO L1325 $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; [2025-03-04 02:56:09,033 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6831: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-04 02:56:09,115 INFO L? ?]: Removed 314 outVars from TransFormulas that were not future-live. [2025-03-04 02:56:09,116 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:56:09,138 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:56:09,139 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:56:09,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:56:09 BoogieIcfgContainer [2025-03-04 02:56:09,139 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:56:09,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:56:09,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:56:09,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:56:09,144 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:56:00" (1/3) ... [2025-03-04 02:56:09,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47bbcd2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:56:09, skipping insertion in model container [2025-03-04 02:56:09,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:56:02" (2/3) ... [2025-03-04 02:56:09,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47bbcd2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:56:09, skipping insertion in model container [2025-03-04 02:56:09,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:56:09" (3/3) ... [2025-03-04 02:56:09,146 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_remove_harness_negated.i [2025-03-04 02:56:09,155 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:56:09,158 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_remove_harness_negated.i that has 28 procedures, 336 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-04 02:56:09,205 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:56:09,215 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;@36520855, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:56:09,217 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:56:09,222 INFO L276 IsEmpty]: Start isEmpty. Operand has 336 states, 226 states have (on average 1.2566371681415929) internal successors, (284), 221 states have internal predecessors, (284), 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) [2025-03-04 02:56:09,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-03-04 02:56:09,236 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:56:09,237 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] [2025-03-04 02:56:09,237 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:56:09,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:56:09,242 INFO L85 PathProgramCache]: Analyzing trace with hash 982292415, now seen corresponding path program 1 times [2025-03-04 02:56:09,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:56:09,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157218436] [2025-03-04 02:56:09,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:09,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:56:13,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-04 02:56:13,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-04 02:56:13,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:13,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:14,090 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2025-03-04 02:56:14,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:56:14,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157218436] [2025-03-04 02:56:14,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157218436] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:56:14,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1412810773] [2025-03-04 02:56:14,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:14,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:56:14,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:56:14,095 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) [2025-03-04 02:56:14,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 02:56:18,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-04 02:56:18,672 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-04 02:56:18,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:18,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:18,694 INFO L256 TraceCheckSpWp]: Trace formula consists of 4563 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 02:56:18,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:56:18,722 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2025-03-04 02:56:18,722 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:56:18,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1412810773] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:56:18,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:56:18,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 02:56:18,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458352657] [2025-03-04 02:56:18,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:56:18,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 02:56:18,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:56:18,740 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 02:56:18,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:56:18,743 INFO L87 Difference]: Start difference. First operand has 336 states, 226 states have (on average 1.2566371681415929) internal successors, (284), 221 states have internal predecessors, (284), 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 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2025-03-04 02:56:18,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:56:18,884 INFO L93 Difference]: Finished difference Result 666 states and 976 transitions. [2025-03-04 02:56:18,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 02:56:18,890 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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 182 [2025-03-04 02:56:18,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:56:18,896 INFO L225 Difference]: With dead ends: 666 [2025-03-04 02:56:18,896 INFO L226 Difference]: Without dead ends: 328 [2025-03-04 02:56:18,904 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:56:18,908 INFO L435 NwaCegarLoop]: 438 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, 438 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 [2025-03-04 02:56:18,909 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 438 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-04 02:56:18,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2025-03-04 02:56:18,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2025-03-04 02:56:18,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 213 states have (on average 1.2347417840375587) internal successors, (263), 215 states have internal predecessors, (263), 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) [2025-03-04 02:56:18,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 435 transitions. [2025-03-04 02:56:18,979 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 435 transitions. Word has length 182 [2025-03-04 02:56:18,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:56:18,980 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 435 transitions. [2025-03-04 02:56:18,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 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) [2025-03-04 02:56:18,981 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 435 transitions. [2025-03-04 02:56:18,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2025-03-04 02:56:18,983 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:56:18,983 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] [2025-03-04 02:56:19,000 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 02:56:19,184 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 [2025-03-04 02:56:19,184 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:56:19,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:56:19,185 INFO L85 PathProgramCache]: Analyzing trace with hash -1274443454, now seen corresponding path program 1 times [2025-03-04 02:56:19,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:56:19,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657498555] [2025-03-04 02:56:19,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:19,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:56:22,901 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 182 statements into 1 equivalence classes. [2025-03-04 02:56:23,017 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 182 of 182 statements. [2025-03-04 02:56:23,017 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:23,017 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:24,109 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-03-04 02:56:24,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:56:24,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657498555] [2025-03-04 02:56:24,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657498555] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:56:24,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 02:56:24,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 02:56:24,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142804610] [2025-03-04 02:56:24,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:56:24,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 02:56:24,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:56:24,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 02:56:24,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 02:56:24,112 INFO L87 Difference]: Start difference. First operand 328 states and 435 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2025-03-04 02:56:24,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:56:24,499 INFO L93 Difference]: Finished difference Result 619 states and 825 transitions. [2025-03-04 02:56:24,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 02:56:24,500 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 182 [2025-03-04 02:56:24,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:56:24,502 INFO L225 Difference]: With dead ends: 619 [2025-03-04 02:56:24,502 INFO L226 Difference]: Without dead ends: 333 [2025-03-04 02:56:24,508 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 [2025-03-04 02:56:24,509 INFO L435 NwaCegarLoop]: 426 mSDtfsCounter, 0 mSDsluCounter, 1274 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1700 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 [2025-03-04 02:56:24,511 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1700 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-04 02:56:24,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2025-03-04 02:56:24,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2025-03-04 02:56:24,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 333 states, 217 states have (on average 1.2304147465437787) internal successors, (267), 219 states have internal predecessors, (267), 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) [2025-03-04 02:56:24,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 440 transitions. [2025-03-04 02:56:24,536 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 440 transitions. Word has length 182 [2025-03-04 02:56:24,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:56:24,537 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 440 transitions. [2025-03-04 02:56:24,537 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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) [2025-03-04 02:56:24,537 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 440 transitions. [2025-03-04 02:56:24,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-03-04 02:56:24,539 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:56:24,540 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, 1, 1, 1, 1] [2025-03-04 02:56:24,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 02:56:24,540 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:56:24,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:56:24,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1728227807, now seen corresponding path program 1 times [2025-03-04 02:56:24,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:56:24,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219312229] [2025-03-04 02:56:24,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:24,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:56:28,115 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-04 02:56:28,232 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-04 02:56:28,232 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:28,232 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:32,149 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-04 02:56:32,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:56:32,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219312229] [2025-03-04 02:56:32,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219312229] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:56:32,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038234355] [2025-03-04 02:56:32,150 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:32,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:56:32,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:56:32,152 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) [2025-03-04 02:56:32,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 02:56:36,171 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-04 02:56:36,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-04 02:56:36,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:36,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:36,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 4567 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-03-04 02:56:36,636 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:56:37,200 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 [2025-03-04 02:56:44,229 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 303 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-03-04 02:56:44,229 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:56:44,229 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1038234355] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:56:44,229 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:56:44,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [10] total 16 [2025-03-04 02:56:44,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130536372] [2025-03-04 02:56:44,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:56:44,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-04 02:56:44,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:56:44,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-04 02:56:44,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2025-03-04 02:56:44,231 INFO L87 Difference]: Start difference. First operand 333 states and 440 transitions. Second operand has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2025-03-04 02:56:55,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:56:55,102 INFO L93 Difference]: Finished difference Result 636 states and 851 transitions. [2025-03-04 02:56:55,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-04 02:56:55,102 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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 188 [2025-03-04 02:56:55,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:56:55,106 INFO L225 Difference]: With dead ends: 636 [2025-03-04 02:56:55,106 INFO L226 Difference]: Without dead ends: 361 [2025-03-04 02:56:55,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 157 SyntacticMatches, 26 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2025-03-04 02:56:55,108 INFO L435 NwaCegarLoop]: 405 mSDtfsCounter, 367 mSDsluCounter, 2331 mSDsCounter, 0 mSdLazyCounter, 1017 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 372 SdHoareTripleChecker+Valid, 2736 SdHoareTripleChecker+Invalid, 1073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 1017 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.2s IncrementalHoareTripleChecker+Time [2025-03-04 02:56:55,109 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [372 Valid, 2736 Invalid, 1073 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 1017 Invalid, 0 Unknown, 0 Unchecked, 10.2s Time] [2025-03-04 02:56:55,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-03-04 02:56:55,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 351. [2025-03-04 02:56:55,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 232 states have (on average 1.2241379310344827) internal successors, (284), 234 states have internal predecessors, (284), 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) [2025-03-04 02:56:55,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 457 transitions. [2025-03-04 02:56:55,132 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 457 transitions. Word has length 188 [2025-03-04 02:56:55,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:56:55,133 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 457 transitions. [2025-03-04 02:56:55,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 7.454545454545454) internal successors, (82), 11 states have internal predecessors, (82), 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) [2025-03-04 02:56:55,133 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 457 transitions. [2025-03-04 02:56:55,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-03-04 02:56:55,134 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:56:55,135 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, 1, 1, 1, 1] [2025-03-04 02:56:55,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 02:56:55,335 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 [2025-03-04 02:56:55,335 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:56:55,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:56:55,336 INFO L85 PathProgramCache]: Analyzing trace with hash -659235904, now seen corresponding path program 1 times [2025-03-04 02:56:55,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:56:55,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510051148] [2025-03-04 02:56:55,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:55,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:56:58,829 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-04 02:56:58,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-04 02:56:58,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:56:58,924 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:56:59,842 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-04 02:56:59,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:56:59,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510051148] [2025-03-04 02:56:59,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510051148] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:56:59,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165734343] [2025-03-04 02:56:59,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:56:59,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:56:59,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:56:59,845 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) [2025-03-04 02:56:59,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 02:57:04,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-04 02:57:04,693 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-04 02:57:04,693 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:57:04,693 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:57:04,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 4552 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-04 02:57:04,716 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:57:05,491 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2025-03-04 02:57:05,491 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:57:05,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165734343] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:57:05,491 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:57:05,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-04 02:57:05,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285476183] [2025-03-04 02:57:05,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:57:05,492 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-04 02:57:05,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:57:05,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-04 02:57:05,492 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-04 02:57:05,492 INFO L87 Difference]: Start difference. First operand 351 states and 457 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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) [2025-03-04 02:57:07,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:57:07,371 INFO L93 Difference]: Finished difference Result 630 states and 837 transitions. [2025-03-04 02:57:07,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-04 02:57:07,372 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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 188 [2025-03-04 02:57:07,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:57:07,374 INFO L225 Difference]: With dead ends: 630 [2025-03-04 02:57:07,375 INFO L226 Difference]: Without dead ends: 356 [2025-03-04 02:57:07,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2025-03-04 02:57:07,377 INFO L435 NwaCegarLoop]: 378 mSDtfsCounter, 448 mSDsluCounter, 701 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 448 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-03-04 02:57:07,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [448 Valid, 1079 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-03-04 02:57:07,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2025-03-04 02:57:07,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 356. [2025-03-04 02:57:07,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 356 states, 235 states have (on average 1.221276595744681) internal successors, (287), 238 states have internal predecessors, (287), 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) [2025-03-04 02:57:07,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 465 transitions. [2025-03-04 02:57:07,398 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 465 transitions. Word has length 188 [2025-03-04 02:57:07,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:57:07,399 INFO L471 AbstractCegarLoop]: Abstraction has 356 states and 465 transitions. [2025-03-04 02:57:07,399 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 6 states have internal predecessors, (79), 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) [2025-03-04 02:57:07,399 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 465 transitions. [2025-03-04 02:57:07,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-03-04 02:57:07,401 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:57:07,401 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, 1, 1, 1, 1] [2025-03-04 02:57:07,421 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-04 02:57:07,602 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 [2025-03-04 02:57:07,602 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:57:07,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:57:07,603 INFO L85 PathProgramCache]: Analyzing trace with hash 2038711982, now seen corresponding path program 1 times [2025-03-04 02:57:07,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:57:07,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780300429] [2025-03-04 02:57:07,603 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:57:07,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:57:11,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-03-04 02:57:11,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-03-04 02:57:11,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:57:11,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:57:13,282 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked. [2025-03-04 02:57:13,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:57:13,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780300429] [2025-03-04 02:57:13,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780300429] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:57:13,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154173635] [2025-03-04 02:57:13,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:57:13,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:57:13,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:57:13,286 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:57:13,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-04 02:57:17,863 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-03-04 02:57:18,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-03-04 02:57:18,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:57:18,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:57:18,295 INFO L256 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-04 02:57:18,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:57:19,932 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2025-03-04 02:57:19,932 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:57:19,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154173635] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:57:19,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:57:19,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2025-03-04 02:57:19,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1264762158] [2025-03-04 02:57:19,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:57:19,933 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-04 02:57:19,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:57:19,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-04 02:57:19,934 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2025-03-04 02:57:19,934 INFO L87 Difference]: Start difference. First operand 356 states and 465 transitions. Second operand has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-04 02:57:22,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:57:22,798 INFO L93 Difference]: Finished difference Result 601 states and 797 transitions. [2025-03-04 02:57:22,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-04 02:57:22,798 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) Word has length 200 [2025-03-04 02:57:22,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:57:22,801 INFO L225 Difference]: With dead ends: 601 [2025-03-04 02:57:22,801 INFO L226 Difference]: Without dead ends: 349 [2025-03-04 02:57:22,802 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2025-03-04 02:57:22,802 INFO L435 NwaCegarLoop]: 375 mSDtfsCounter, 459 mSDsluCounter, 1418 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 459 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-03-04 02:57:22,802 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [459 Valid, 1793 Invalid, 333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-03-04 02:57:22,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2025-03-04 02:57:22,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 349. [2025-03-04 02:57:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 230 states have (on average 1.2173913043478262) internal successors, (280), 232 states have internal predecessors, (280), 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) [2025-03-04 02:57:22,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 453 transitions. [2025-03-04 02:57:22,815 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 453 transitions. Word has length 200 [2025-03-04 02:57:22,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:57:22,815 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 453 transitions. [2025-03-04 02:57:22,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.5) internal successors, (81), 7 states have internal predecessors, (81), 4 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-04 02:57:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 453 transitions. [2025-03-04 02:57:22,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2025-03-04 02:57:22,817 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:57:22,817 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 4, 4, 4, 3, 3, 3, 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, 1] [2025-03-04 02:57:22,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-04 02:57:23,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:57:23,018 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:57:23,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:57:23,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1132002313, now seen corresponding path program 1 times [2025-03-04 02:57:23,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:57:23,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937303072] [2025-03-04 02:57:23,018 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:57:23,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:57:26,699 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-03-04 02:57:26,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-03-04 02:57:26,763 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:57:26,763 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:57:28,553 INFO L134 CoverageAnalysis]: Checked inductivity of 477 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2025-03-04 02:57:28,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:57:28,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937303072] [2025-03-04 02:57:28,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937303072] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:57:28,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513949814] [2025-03-04 02:57:28,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:57:28,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:57:28,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:57:28,555 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:57:28,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process