./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a2f0a82a50bc275c6e2e2ec318329147ea6f6c7b468577c521e1ed81fea6d241 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:14:34,062 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:14:34,123 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:14:34,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:14:34,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:14:34,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:14:34,152 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:14:34,152 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:14:34,153 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:14:34,153 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:14:34,153 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:14:34,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:14:34,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:14:34,154 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:14:34,154 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:14:34,154 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:14:34,155 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:14:34,155 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:14:34,155 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:14:34,155 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:14:34,155 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:14:34,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:14:34,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:14:34,155 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:14:34,155 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:14:34,155 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:14:34,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:14:34,155 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:14:34,156 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:14:34,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:14:34,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:14:34,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:14:34,156 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:14:34,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:14:34,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:14:34,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:14:34,157 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:14:34,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:14:34,157 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:14:34,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:14:34,157 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 -> a2f0a82a50bc275c6e2e2ec318329147ea6f6c7b468577c521e1ed81fea6d241 [2025-03-17 07:14:34,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:14:34,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:14:34,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:14:34,424 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:14:34,424 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:14:34,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2025-03-17 07:14:35,582 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5555fe36/d6fa15acb1134f30a73a5d641061db67/FLAG74fbabb4a [2025-03-17 07:14:36,113 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:14:36,115 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_remove_harness.i [2025-03-17 07:14:36,156 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5555fe36/d6fa15acb1134f30a73a5d641061db67/FLAG74fbabb4a [2025-03-17 07:14:36,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5555fe36/d6fa15acb1134f30a73a5d641061db67 [2025-03-17 07:14:36,177 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:14:36,178 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:14:36,179 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:14:36,179 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:14:36,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:14:36,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:14:36" (1/1) ... [2025-03-17 07:14:36,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138305fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:36, skipping insertion in model container [2025-03-17 07:14:36,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:14:36" (1/1) ... [2025-03-17 07:14:36,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:14:36,552 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.i[4495,4508] [2025-03-17 07:14:36,561 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.i[4555,4568] [2025-03-17 07:14:37,409 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,426 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,427 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,428 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,429 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,430 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,430 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:37,431 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,331 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,332 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,366 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,367 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,378 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,398 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,400 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,401 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,449 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.i[229734,229747] [2025-03-17 07:14:38,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:14:38,497 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:14:38,511 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.i[4495,4508] [2025-03-17 07:14:38,511 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.i[4555,4568] [2025-03-17 07:14:38,541 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,542 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,542 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,542 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,542 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,547 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,547 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,548 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,548 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,549 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,549 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,549 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,550 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,620 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7576-7587] [2025-03-17 07:14:38,726 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,726 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,732 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,732 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,745 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,746 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:38,762 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.i[229734,229747] [2025-03-17 07:14:38,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:14:38,927 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:14:38,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38 WrapperNode [2025-03-17 07:14:38,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:14:38,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:14:38,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:14:38,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:14:38,933 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,022 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,084 INFO L138 Inliner]: procedures = 764, calls = 2494, calls flagged for inlining = 70, calls inlined = 19, statements flattened = 1091 [2025-03-17 07:14:39,085 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:14:39,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:14:39,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:14:39,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:14:39,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,108 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,186 INFO L175 MemorySlicer]: Split 368 memory accesses to 12 slices as follows [72, 2, 2, 14, 15, 243, 1, 2, 4, 3, 3, 7]. 66 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [0, 2, 0, 10, 0, 11, 0, 0, 0, 0, 0, 0]. The 256 writes are split as follows [10, 0, 1, 0, 1, 232, 1, 1, 2, 3, 2, 3]. [2025-03-17 07:14:39,189 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,189 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,235 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,251 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,274 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:14:39,277 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:14:39,278 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:14:39,278 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:14:39,278 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (1/1) ... [2025-03-17 07:14:39,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:14:39,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:39,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:14:39,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:14:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-17 07:14:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-17 07:14:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-17 07:14:39,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-17 07:14:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-17 07:14:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-17 07:14:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-17 07:14:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-17 07:14:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-17 07:14:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:14:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:14:39,357 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:14:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 07:14:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#11 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:14:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:14:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-17 07:14:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-17 07:14:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 07:14:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 07:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-17 07:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#11 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-17 07:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:14:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:14:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:14:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 07:14:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 07:14:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 07:14:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-03-17 07:14:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-17 07:14:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-17 07:14:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:14:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:14:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:14:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:14:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:14:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:14:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:14:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:14:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 07:14:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:14:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:14:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:14:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:14:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-03-17 07:14:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-17 07:14:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-17 07:14:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-17 07:14:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure uninterpreted_equals [2025-03-17 07:14:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure uninterpreted_equals [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:14:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-03-17 07:14:39,364 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-17 07:14:39,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-17 07:14:39,755 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:14:39,757 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:14:39,806 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-17 07:14:39,840 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume false; [2025-03-17 07:14:39,840 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume !false; [2025-03-17 07:14:39,867 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:14:39,869 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:14:40,001 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9345: havoc #t~ret1203#1; [2025-03-17 07:14:40,093 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume false; [2025-03-17 07:14:40,094 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9658-1: assume !false; [2025-03-17 07:14:40,094 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9160-1: assume false; [2025-03-17 07:14:40,094 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9160-1: assume !false; [2025-03-17 07:14:40,116 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume false; [2025-03-17 07:14:40,116 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume !false; [2025-03-17 07:14:40,116 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-17 07:14:40,166 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10121: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-17 07:14:40,177 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7406: havoc #t~ret690.base, #t~ret690.offset; [2025-03-17 07:14:40,202 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10008: havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~short1492;havoc #t~mem1493.base, #t~mem1493.offset;havoc #t~ret1494;havoc #t~short1495; [2025-03-17 07:14:40,205 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:14:40,234 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-17 07:14:40,234 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1; [2025-03-17 07:14:40,234 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-17 07:14:40,245 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9141: havoc #t~ret1142; [2025-03-17 07:14:40,271 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-17 07:14:40,289 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:14:45,499 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6833: havoc aws_hash_table_has_an_empty_slot_#t~mem566#1.base, aws_hash_table_has_an_empty_slot_#t~mem566#1.offset;havoc aws_hash_table_has_an_empty_slot_#t~ret567#1; [2025-03-17 07:14:45,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9692-1: assume false; [2025-03-17 07:14:45,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9692-1: assume !false; [2025-03-17 07:14:45,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6843: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-17 07:14:45,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9709-1: assume false; [2025-03-17 07:14:45,500 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9709-1: assume !false; [2025-03-17 07:14:45,693 INFO L? ?]: Removed 302 outVars from TransFormulas that were not future-live. [2025-03-17 07:14:45,693 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:14:45,722 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:14:45,722 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:14:45,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:14:45 BoogieIcfgContainer [2025-03-17 07:14:45,723 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:14:45,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:14:45,724 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:14:45,727 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:14:45,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:14:36" (1/3) ... [2025-03-17 07:14:45,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259e7a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:14:45, skipping insertion in model container [2025-03-17 07:14:45,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:38" (2/3) ... [2025-03-17 07:14:45,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259e7a93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:14:45, skipping insertion in model container [2025-03-17 07:14:45,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:14:45" (3/3) ... [2025-03-17 07:14:45,729 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_remove_harness.i [2025-03-17 07:14:45,740 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:14:45,741 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_remove_harness.i that has 28 procedures, 327 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-17 07:14:45,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:14:45,801 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;@4e59a783, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:14:45,805 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:14:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand has 327 states, 217 states have (on average 1.2672811059907834) internal successors, (275), 212 states have internal predecessors, (275), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) [2025-03-17 07:14:45,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2025-03-17 07:14:45,823 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:45,824 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:14:45,824 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:45,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:45,828 INFO L85 PathProgramCache]: Analyzing trace with hash -504887806, now seen corresponding path program 1 times [2025-03-17 07:14:45,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:45,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926385375] [2025-03-17 07:14:45,834 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:45,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:50,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-03-17 07:14:50,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-03-17 07:14:50,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:50,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:51,067 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2025-03-17 07:14:51,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:14:51,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926385375] [2025-03-17 07:14:51,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926385375] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:14:51,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709785868] [2025-03-17 07:14:51,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:51,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:14:51,074 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:51,078 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:14:51,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 07:14:55,344 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-03-17 07:14:55,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-03-17 07:14:55,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:55,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:55,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 4557 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:14:55,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:14:55,953 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2025-03-17 07:14:55,954 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:14:55,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709785868] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:14:55,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:14:55,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:14:55,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552251048] [2025-03-17 07:14:55,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:14:55,959 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:14:55,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:14:55,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:14:55,980 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:14:55,983 INFO L87 Difference]: Start difference. First operand has 327 states, 217 states have (on average 1.2672811059907834) internal successors, (275), 212 states have internal predecessors, (275), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (87), 87 states have call predecessors, (87), 87 states have call successors, (87) Second operand has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-17 07:14:56,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:14:56,125 INFO L93 Difference]: Finished difference Result 649 states and 959 transitions. [2025-03-17 07:14:56,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:14:56,128 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 179 [2025-03-17 07:14:56,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:14:56,135 INFO L225 Difference]: With dead ends: 649 [2025-03-17 07:14:56,136 INFO L226 Difference]: Without dead ends: 321 [2025-03-17 07:14:56,140 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:14:56,143 INFO L435 NwaCegarLoop]: 429 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 07:14:56,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 429 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 07:14:56,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2025-03-17 07:14:56,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2025-03-17 07:14:56,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 206 states have (on average 1.2427184466019416) internal successors, (256), 208 states have internal predecessors, (256), 87 states have call successors, (87), 27 states have call predecessors, (87), 27 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 07:14:56,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 428 transitions. [2025-03-17 07:14:56,199 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 428 transitions. Word has length 179 [2025-03-17 07:14:56,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:14:56,200 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 428 transitions. [2025-03-17 07:14:56,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-17 07:14:56,201 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 428 transitions. [2025-03-17 07:14:56,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2025-03-17 07:14:56,203 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:56,203 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:14:56,222 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 07:14:56,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 07:14:56,404 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:56,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:56,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2051645219, now seen corresponding path program 1 times [2025-03-17 07:14:56,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:56,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180280948] [2025-03-17 07:14:56,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:56,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:15:00,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 179 statements into 1 equivalence classes. [2025-03-17 07:15:01,061 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 179 of 179 statements. [2025-03-17 07:15:01,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:01,063 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:02,330 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-03-17 07:15:02,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:02,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180280948] [2025-03-17 07:15:02,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180280948] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:15:02,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:15:02,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 07:15:02,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808554346] [2025-03-17 07:15:02,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:15:02,333 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:15:02,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:15:02,334 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:15:02,334 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:15:02,334 INFO L87 Difference]: Start difference. First operand 321 states and 428 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-17 07:15:02,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:15:02,819 INFO L93 Difference]: Finished difference Result 607 states and 813 transitions. [2025-03-17 07:15:02,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:15:02,823 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) Word has length 179 [2025-03-17 07:15:02,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:15:02,826 INFO L225 Difference]: With dead ends: 607 [2025-03-17 07:15:02,828 INFO L226 Difference]: Without dead ends: 326 [2025-03-17 07:15:02,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:15:02,830 INFO L435 NwaCegarLoop]: 419 mSDtfsCounter, 0 mSDsluCounter, 1253 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1672 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 07:15:02,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1672 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 07:15:02,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2025-03-17 07:15:02,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2025-03-17 07:15:02,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 210 states have (on average 1.2380952380952381) internal successors, (260), 212 states have internal predecessors, (260), 87 states have call successors, (87), 27 states have call predecessors, (87), 28 states have return successors, (86), 86 states have call predecessors, (86), 85 states have call successors, (86) [2025-03-17 07:15:02,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 433 transitions. [2025-03-17 07:15:02,855 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 433 transitions. Word has length 179 [2025-03-17 07:15:02,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:15:02,856 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 433 transitions. [2025-03-17 07:15:02,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 2 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (29), 3 states have call predecessors, (29), 2 states have call successors, (29) [2025-03-17 07:15:02,856 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 433 transitions. [2025-03-17 07:15:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2025-03-17 07:15:02,858 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:15:02,858 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:15:02,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 07:15:02,858 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:15:02,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:15:02,859 INFO L85 PathProgramCache]: Analyzing trace with hash 531980606, now seen corresponding path program 1 times [2025-03-17 07:15:02,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:15:02,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441733042] [2025-03-17 07:15:02,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:02,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:15:07,144 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-17 07:15:07,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-17 07:15:07,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:07,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-17 07:15:11,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:11,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441733042] [2025-03-17 07:15:11,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441733042] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:15:11,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1190239882] [2025-03-17 07:15:11,413 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:11,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:11,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:15:11,415 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:15:11,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 07:15:15,815 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 184 statements into 1 equivalence classes. [2025-03-17 07:15:16,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 184 of 184 statements. [2025-03-17 07:15:16,298 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:16,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:16,326 INFO L256 TraceCheckSpWp]: Trace formula consists of 4557 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-17 07:15:16,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:15:18,191 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2025-03-17 07:15:18,192 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 07:15:20,615 INFO L134 CoverageAnalysis]: Checked inductivity of 447 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2025-03-17 07:15:20,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1190239882] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-17 07:15:20,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-17 07:15:20,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10, 8] total 18 [2025-03-17 07:15:20,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853441091] [2025-03-17 07:15:20,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:15:20,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:15:20,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:15:20,617 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:15:20,617 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2025-03-17 07:15:20,618 INFO L87 Difference]: Start difference. First operand 326 states and 433 transitions. Second operand has 5 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2025-03-17 07:15:21,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:15:21,422 INFO L93 Difference]: Finished difference Result 332 states and 438 transitions. [2025-03-17 07:15:21,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:15:21,422 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 184 [2025-03-17 07:15:21,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:15:21,425 INFO L225 Difference]: With dead ends: 332 [2025-03-17 07:15:21,425 INFO L226 Difference]: Without dead ends: 330 [2025-03-17 07:15:21,426 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 377 GetRequests, 360 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=42, Invalid=300, Unknown=0, NotChecked=0, Total=342 [2025-03-17 07:15:21,426 INFO L435 NwaCegarLoop]: 419 mSDtfsCounter, 4 mSDsluCounter, 1237 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 1656 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 07:15:21,427 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 1656 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 07:15:21,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2025-03-17 07:15:21,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 330. [2025-03-17 07:15:21,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 213 states have (on average 1.2347417840375587) internal successors, (263), 215 states have internal predecessors, (263), 87 states have call successors, (87), 28 states have call predecessors, (87), 29 states have return successors, (86), 86 states have call predecessors, (86), 85 states have call successors, (86) [2025-03-17 07:15:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 436 transitions. [2025-03-17 07:15:21,449 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 436 transitions. Word has length 184 [2025-03-17 07:15:21,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:15:21,450 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 436 transitions. [2025-03-17 07:15:21,451 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2025-03-17 07:15:21,451 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 436 transitions. [2025-03-17 07:15:21,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-17 07:15:21,454 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:15:21,454 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:15:21,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 07:15:21,655 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2025-03-17 07:15:21,655 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:15:21,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:15:21,656 INFO L85 PathProgramCache]: Analyzing trace with hash 768971512, now seen corresponding path program 1 times [2025-03-17 07:15:21,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:15:21,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677582573] [2025-03-17 07:15:21,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:21,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:15:25,496 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-17 07:15:25,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-17 07:15:25,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:25,604 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:29,143 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-17 07:15:29,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:29,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677582573] [2025-03-17 07:15:29,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677582573] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:15:29,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709123442] [2025-03-17 07:15:29,144 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:29,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:29,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:15:29,146 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:15:29,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 07:15:34,250 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-17 07:15:34,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-17 07:15:34,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:34,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:34,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 4591 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-17 07:15:34,755 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:15:35,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-17 07:15:37,000 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 193 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2025-03-17 07:15:37,000 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:15:37,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709123442] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:15:37,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:15:37,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [10] total 15 [2025-03-17 07:15:37,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772887343] [2025-03-17 07:15:37,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:15:37,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 07:15:37,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:15:37,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 07:15:37,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2025-03-17 07:15:37,002 INFO L87 Difference]: Start difference. First operand 330 states and 436 transitions. Second operand has 11 states, 10 states have (on average 8.2) internal successors, (82), 9 states have internal predecessors, (82), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-03-17 07:15:41,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:15:45,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:15:58,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:15:58,668 INFO L93 Difference]: Finished difference Result 633 states and 846 transitions. [2025-03-17 07:15:58,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 07:15:58,669 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 9 states have internal predecessors, (82), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 196 [2025-03-17 07:15:58,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:15:58,674 INFO L225 Difference]: With dead ends: 633 [2025-03-17 07:15:58,674 INFO L226 Difference]: Without dead ends: 361 [2025-03-17 07:15:58,676 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2025-03-17 07:15:58,678 INFO L435 NwaCegarLoop]: 396 mSDtfsCounter, 320 mSDsluCounter, 1928 mSDsCounter, 0 mSdLazyCounter, 814 mSolverCounterSat, 30 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 2324 SdHoareTripleChecker+Invalid, 846 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 814 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2025-03-17 07:15:58,679 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 2324 Invalid, 846 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 814 Invalid, 2 Unknown, 0 Unchecked, 20.9s Time] [2025-03-17 07:15:58,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-03-17 07:15:58,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 351. [2025-03-17 07:15:58,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 230 states have (on average 1.2304347826086957) internal successors, (283), 233 states have internal predecessors, (283), 87 states have call successors, (87), 31 states have call predecessors, (87), 33 states have return successors, (89), 86 states have call predecessors, (89), 85 states have call successors, (89) [2025-03-17 07:15:58,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 459 transitions. [2025-03-17 07:15:58,700 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 459 transitions. Word has length 196 [2025-03-17 07:15:58,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:15:58,700 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 459 transitions. [2025-03-17 07:15:58,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 8.2) internal successors, (82), 9 states have internal predecessors, (82), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2025-03-17 07:15:58,701 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 459 transitions. [2025-03-17 07:15:58,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2025-03-17 07:15:58,702 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:15:58,702 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:15:58,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 07:15:58,903 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:58,903 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:15:58,903 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:15:58,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1332898038, now seen corresponding path program 1 times [2025-03-17 07:15:58,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:15:58,904 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [637933158] [2025-03-17 07:15:58,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:58,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:16:02,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 196 statements into 1 equivalence classes. [2025-03-17 07:16:03,002 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 196 of 196 statements. [2025-03-17 07:16:03,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:16:03,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:16:04,065 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 435 trivial. 0 not checked. [2025-03-17 07:16:04,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:16:04,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [637933158] [2025-03-17 07:16:04,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [637933158] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:16:04,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [762831626] [2025-03-17 07:16:04,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:16:04,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:16:04,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:16:04,068 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) [2025-03-17 07:16:04,068 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process