./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ec50af203cf1d5a7d1afbba8c91c6aba29bcfe50c35892731044038eaad7c7f2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:14:28,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:14:28,314 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:14:28,320 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:14:28,320 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:14:28,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:14:28,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:14:28,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:14:28,338 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:14:28,338 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:14:28,338 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:14:28,338 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:14:28,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:14:28,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:14:28,338 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:14:28,339 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:14:28,339 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:14:28,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:14:28,339 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:14:28,339 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:14:28,339 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:14:28,339 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:14:28,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:14:28,340 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:14:28,340 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:14:28,340 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:14:28,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:14:28,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:14:28,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:14:28,340 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:14:28,340 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:14:28,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:14:28,341 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:14:28,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:14:28,341 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:14:28,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:14:28,341 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:14:28,341 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:14:28,341 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:14:28,341 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:14:28,341 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 -> ec50af203cf1d5a7d1afbba8c91c6aba29bcfe50c35892731044038eaad7c7f2 [2025-03-17 07:14:28,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:14:28,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:14:28,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:14:28,592 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:14:28,592 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:14:28,594 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i [2025-03-17 07:14:29,830 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6494054/01a20d3067f04ac89e2becc4fcc37353/FLAG6d3ebcc38 [2025-03-17 07:14:30,313 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:14:30,314 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i [2025-03-17 07:14:30,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6494054/01a20d3067f04ac89e2becc4fcc37353/FLAG6d3ebcc38 [2025-03-17 07:14:30,408 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb6494054/01a20d3067f04ac89e2becc4fcc37353 [2025-03-17 07:14:30,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:14:30,412 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:14:30,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:14:30,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:14:30,416 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:14:30,417 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:14:30" (1/1) ... [2025-03-17 07:14:30,419 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e7b839b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:30, skipping insertion in model container [2025-03-17 07:14:30,420 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:14:30" (1/1) ... [2025-03-17 07:14:30,504 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:14:30,759 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_put_harness_negated.i[4492,4505] [2025-03-17 07:14:30,769 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_put_harness_negated.i[4552,4565] [2025-03-17 07:14:31,447 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:31,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:31,448 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:31,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:31,449 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:31,457 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:31,458 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:31,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:31,459 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:31,460 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:31,461 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:31,461 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:31,462 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,508 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,509 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,517 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,517 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,536 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,538 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,538 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,538 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,539 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,574 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_put_harness_negated.i[229379,229392] [2025-03-17 07:14:32,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:14:32,603 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:14:32,614 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_put_harness_negated.i[4492,4505] [2025-03-17 07:14:32,618 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_put_harness_negated.i[4552,4565] [2025-03-17 07:14:32,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,662 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,662 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,662 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,731 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2025-03-17 07:14:32,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,862 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,863 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,865 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:14:32,889 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_put_harness_negated.i[229379,229392] [2025-03-17 07:14:32,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:14:33,056 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:14:33,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33 WrapperNode [2025-03-17 07:14:33,057 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:14:33,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:14:33,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:14:33,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:14:33,063 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33" (1/1) ... [2025-03-17 07:14:33,149 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33" (1/1) ... [2025-03-17 07:14:33,215 INFO L138 Inliner]: procedures = 764, calls = 2484, calls flagged for inlining = 71, calls inlined = 25, statements flattened = 1463 [2025-03-17 07:14:33,216 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:14:33,216 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:14:33,217 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:14:33,217 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:14:33,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33" (1/1) ... [2025-03-17 07:14:33,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33" (1/1) ... [2025-03-17 07:14:33,236 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33" (1/1) ... [2025-03-17 07:14:33,246 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-17 07:14:33,246 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33" (1/1) ... [2025-03-17 07:14:33,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33" (1/1) ... [2025-03-17 07:14:33,289 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33" (1/1) ... [2025-03-17 07:14:33,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33" (1/1) ... [2025-03-17 07:14:33,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33" (1/1) ... [2025-03-17 07:14:33,318 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33" (1/1) ... [2025-03-17 07:14:33,336 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:14:33,337 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:14:33,338 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:14:33,338 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:14:33,339 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33" (1/1) ... [2025-03-17 07:14:33,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:14:33,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:33,367 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 07:14:33,370 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 07:14:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2025-03-17 07:14:33,390 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2025-03-17 07:14:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-03-17 07:14:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-17 07:14:33,390 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-17 07:14:33,390 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:14:33,391 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:14:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:14:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:14:33,391 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:14:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-17 07:14:33,391 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-17 07:14:33,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-03-17 07:14:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-17 07:14:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2025-03-17 07:14:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2025-03-17 07:14:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-17 07:14:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:14:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:14:33,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:14:33,392 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-17 07:14:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-17 07:14:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 07:14:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:14:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-17 07:14:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2025-03-17 07:14:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:14:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:14:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:14:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-17 07:14:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-17 07:14:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:14:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:14:33,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:14:33,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-17 07:14:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-17 07:14:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-17 07:14:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-17 07:14:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:14:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:14:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:14:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:14:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:14:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:14:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:14:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:14:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-17 07:14:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-17 07:14:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-17 07:14:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2025-03-17 07:14:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2025-03-17 07:14:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:14:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:14:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-17 07:14:33,394 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-17 07:14:33,394 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-17 07:14:33,770 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:14:33,772 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:14:33,856 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-17 07:14:33,875 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9974: havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~short1492;havoc #t~mem1493.base, #t~mem1493.offset;havoc #t~ret1494;havoc #t~short1495; [2025-03-17 07:14:33,883 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:14:33,910 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10087: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-17 07:14:33,950 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6943: havoc #t~ret589#1;havoc #t~ite591#1.base, #t~ite591#1.offset;havoc #t~ret590#1.base, #t~ret590#1.offset; [2025-03-17 07:14:33,950 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6928: havoc bounded_calloc_#t~malloc587#1.base, bounded_calloc_#t~malloc587#1.offset;call ULTIMATE.dealloc(bounded_calloc_~#required_bytes~1#1.base, bounded_calloc_~#required_bytes~1#1.offset);havoc bounded_calloc_~#required_bytes~1#1.base, bounded_calloc_~#required_bytes~1#1.offset; [2025-03-17 07:14:34,110 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9169: call ULTIMATE.dealloc(~#size~0#1.base, ~#size~0#1.offset);havoc ~#size~0#1.base, ~#size~0#1.offset; [2025-03-17 07:14:34,110 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2643: havoc aws_round_up_to_power_of_two_#t~ret62#1; [2025-03-17 07:14:34,115 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: havoc #t~ret600.base, #t~ret600.offset; [2025-03-17 07:14:34,130 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume false; [2025-03-17 07:14:34,130 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume !false; [2025-03-17 07:14:34,143 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:14:34,144 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:14:34,157 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume false; [2025-03-17 07:14:34,158 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume !false; [2025-03-17 07:14:34,158 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-17 07:14:34,190 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-17 07:14:34,191 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1; [2025-03-17 07:14:34,191 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-17 07:14:34,226 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9109: havoc #t~ret1142; [2025-03-17 07:14:34,363 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9140: call ULTIMATE.dealloc(~#required_bytes~3#1.base, ~#required_bytes~3#1.offset);havoc ~#required_bytes~3#1.base, ~#required_bytes~3#1.offset; [2025-03-17 07:14:34,363 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6997: call ULTIMATE.dealloc(aws_mem_calloc_~#required_bytes~2#1.base, aws_mem_calloc_~#required_bytes~2#1.offset);havoc aws_mem_calloc_~#required_bytes~2#1.base, aws_mem_calloc_~#required_bytes~2#1.offset; [2025-03-17 07:14:34,453 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9444-1: assume false; [2025-03-17 07:14:34,454 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9444-1: assume !false; [2025-03-17 07:14:34,454 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9403-1: assume false; [2025-03-17 07:14:34,454 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9403-1: assume !false; [2025-03-17 07:14:34,523 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9311: havoc #t~ret1203#1; [2025-03-17 07:14:34,541 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-17 07:14:34,560 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:14:40,422 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9550: call ULTIMATE.dealloc(aws_hash_table_put_~#p_elem~0#1.base, aws_hash_table_put_~#p_elem~0#1.offset);havoc aws_hash_table_put_~#p_elem~0#1.base, aws_hash_table_put_~#p_elem~0#1.offset;call ULTIMATE.dealloc(aws_hash_table_put_~#was_created_fallback~0#1.base, aws_hash_table_put_~#was_created_fallback~0#1.offset);havoc aws_hash_table_put_~#was_created_fallback~0#1.base, aws_hash_table_put_~#was_created_fallback~0#1.offset; [2025-03-17 07:14:40,422 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9452: call ULTIMATE.dealloc(s_expand_table_~#template~1#1.base, s_expand_table_~#template~1#1.offset);havoc s_expand_table_~#template~1#1.base, s_expand_table_~#template~1#1.offset;call ULTIMATE.dealloc(s_expand_table_~#new_size~0#1.base, s_expand_table_~#new_size~0#1.offset);havoc s_expand_table_~#new_size~0#1.base, s_expand_table_~#new_size~0#1.offset; [2025-03-17 07:14:40,422 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6821: havoc aws_hash_table_has_an_empty_slot_#t~mem566#1.base, aws_hash_table_has_an_empty_slot_#t~mem566#1.offset;havoc aws_hash_table_has_an_empty_slot_#t~ret567#1; [2025-03-17 07:14:40,422 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9490: call ULTIMATE.dealloc(aws_hash_table_create_~#entry~4#1.base, aws_hash_table_create_~#entry~4#1.offset);havoc aws_hash_table_create_~#entry~4#1.base, aws_hash_table_create_~#entry~4#1.offset;call ULTIMATE.dealloc(aws_hash_table_create_~#probe_idx~1#1.base, aws_hash_table_create_~#probe_idx~1#1.offset);havoc aws_hash_table_create_~#probe_idx~1#1.base, aws_hash_table_create_~#probe_idx~1#1.offset;call ULTIMATE.dealloc(aws_hash_table_create_~#ignored~0#1.base, aws_hash_table_create_~#ignored~0#1.offset);havoc aws_hash_table_create_~#ignored~0#1.base, aws_hash_table_create_~#ignored~0#1.offset;call ULTIMATE.dealloc(aws_hash_table_create_~#incr_entry_count~0#1.base, aws_hash_table_create_~#incr_entry_count~0#1.offset);havoc aws_hash_table_create_~#incr_entry_count~0#1.base, aws_hash_table_create_~#incr_entry_count~0#1.offset;call ULTIMATE.dealloc(aws_hash_table_create_~#new_entry~0#1.base, aws_hash_table_create_~#new_entry~0#1.offset);havoc aws_hash_table_create_~#new_entry~0#1.base, aws_hash_table_create_~#new_entry~0#1.offset; [2025-03-17 07:14:40,422 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6831: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-17 07:14:40,614 INFO L? ?]: Removed 429 outVars from TransFormulas that were not future-live. [2025-03-17 07:14:40,614 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:14:40,655 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:14:40,655 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:14:40,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:14:40 BoogieIcfgContainer [2025-03-17 07:14:40,656 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:14:40,657 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:14:40,657 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:14:40,661 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:14:40,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:14:30" (1/3) ... [2025-03-17 07:14:40,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80c813e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:14:40, skipping insertion in model container [2025-03-17 07:14:40,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:14:33" (2/3) ... [2025-03-17 07:14:40,662 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@80c813e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:14:40, skipping insertion in model container [2025-03-17 07:14:40,662 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:14:40" (3/3) ... [2025-03-17 07:14:40,663 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_put_harness_negated.i [2025-03-17 07:14:40,676 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:14:40,677 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_put_harness_negated.i that has 30 procedures, 398 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-03-17 07:14:40,725 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:14:40,734 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;@1dad2898, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:14:40,734 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:14:40,738 INFO L276 IsEmpty]: Start isEmpty. Operand has 398 states, 285 states have (on average 1.3192982456140352) internal successors, (376), 282 states have internal predecessors, (376), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) [2025-03-17 07:14:40,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-17 07:14:40,748 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:40,749 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2025-03-17 07:14:40,749 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:40,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:40,753 INFO L85 PathProgramCache]: Analyzing trace with hash 730586039, now seen corresponding path program 1 times [2025-03-17 07:14:40,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:40,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551359786] [2025-03-17 07:14:40,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:40,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:45,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-17 07:14:45,663 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-17 07:14:45,663 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:45,663 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:46,133 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2025-03-17 07:14:46,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:14:46,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551359786] [2025-03-17 07:14:46,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551359786] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:14:46,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [517968133] [2025-03-17 07:14:46,136 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:46,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:14:46,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:46,139 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 07:14:46,141 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 07:14:50,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-17 07:14:50,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-17 07:14:50,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:50,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:50,894 INFO L256 TraceCheckSpWp]: Trace formula consists of 4496 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:14:50,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:14:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2025-03-17 07:14:50,920 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:14:50,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [517968133] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:14:50,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:14:50,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:14:50,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068180798] [2025-03-17 07:14:50,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:14:50,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:14:50,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:14:50,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:14:50,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:14:50,944 INFO L87 Difference]: Start difference. First operand has 398 states, 285 states have (on average 1.3192982456140352) internal successors, (376), 282 states have internal predecessors, (376), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (86), 86 states have call predecessors, (86), 86 states have call successors, (86) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 07:14:51,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:14:51,149 INFO L93 Difference]: Finished difference Result 791 states and 1145 transitions. [2025-03-17 07:14:51,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:14:51,151 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2025-03-17 07:14:51,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:14:51,159 INFO L225 Difference]: With dead ends: 791 [2025-03-17 07:14:51,159 INFO L226 Difference]: Without dead ends: 394 [2025-03-17 07:14:51,164 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 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 07:14:51,166 INFO L435 NwaCegarLoop]: 525 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 07:14:51,166 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 525 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 07:14:51,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2025-03-17 07:14:51,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 394. [2025-03-17 07:14:51,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 394 states, 278 states have (on average 1.3057553956834533) internal successors, (363), 279 states have internal predecessors, (363), 86 states have call successors, (86), 29 states have call predecessors, (86), 29 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-03-17 07:14:51,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 534 transitions. [2025-03-17 07:14:51,239 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 534 transitions. Word has length 131 [2025-03-17 07:14:51,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:14:51,241 INFO L471 AbstractCegarLoop]: Abstraction has 394 states and 534 transitions. [2025-03-17 07:14:51,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 07:14:51,241 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 534 transitions. [2025-03-17 07:14:51,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2025-03-17 07:14:51,245 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:51,245 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2025-03-17 07:14:51,262 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 07:14:51,446 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 07:14:51,446 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:51,447 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:51,447 INFO L85 PathProgramCache]: Analyzing trace with hash -1730079304, now seen corresponding path program 1 times [2025-03-17 07:14:51,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:51,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616946810] [2025-03-17 07:14:51,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:51,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:55,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 131 statements into 1 equivalence classes. [2025-03-17 07:14:55,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-03-17 07:14:55,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:55,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:57,067 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-03-17 07:14:57,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:14:57,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616946810] [2025-03-17 07:14:57,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616946810] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:14:57,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:14:57,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 07:14:57,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469280033] [2025-03-17 07:14:57,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:14:57,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:14:57,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:14:57,071 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:14:57,072 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:14:57,072 INFO L87 Difference]: Start difference. First operand 394 states and 534 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 07:14:57,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:14:57,764 INFO L93 Difference]: Finished difference Result 785 states and 1067 transitions. [2025-03-17 07:14:57,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:14:57,764 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2025-03-17 07:14:57,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:14:57,769 INFO L225 Difference]: With dead ends: 785 [2025-03-17 07:14:57,769 INFO L226 Difference]: Without dead ends: 399 [2025-03-17 07:14:57,771 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:14:57,771 INFO L435 NwaCegarLoop]: 519 mSDtfsCounter, 0 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2072 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 07:14:57,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2072 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 07:14:57,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2025-03-17 07:14:57,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 399. [2025-03-17 07:14:57,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 399 states, 282 states have (on average 1.301418439716312) internal successors, (367), 283 states have internal predecessors, (367), 86 states have call successors, (86), 29 states have call predecessors, (86), 30 states have return successors, (89), 86 states have call predecessors, (89), 85 states have call successors, (89) [2025-03-17 07:14:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 542 transitions. [2025-03-17 07:14:57,808 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 542 transitions. Word has length 131 [2025-03-17 07:14:57,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:14:57,808 INFO L471 AbstractCegarLoop]: Abstraction has 399 states and 542 transitions. [2025-03-17 07:14:57,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 07:14:57,809 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 542 transitions. [2025-03-17 07:14:57,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-17 07:14:57,810 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:57,810 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2025-03-17 07:14:57,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 07:14:57,810 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:57,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:57,811 INFO L85 PathProgramCache]: Analyzing trace with hash 234199896, now seen corresponding path program 1 times [2025-03-17 07:14:57,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:57,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374391356] [2025-03-17 07:14:57,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:57,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:15:01,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-17 07:15:01,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-17 07:15:01,722 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:01,722 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-03-17 07:15:05,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:05,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374391356] [2025-03-17 07:15:05,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374391356] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:15:05,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:15:05,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-17 07:15:05,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554455829] [2025-03-17 07:15:05,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:15:05,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 07:15:05,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:15:05,697 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 07:15:05,697 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-17 07:15:05,697 INFO L87 Difference]: Start difference. First operand 399 states and 542 transitions. Second operand has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-17 07:15:09,761 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 07:15:14,187 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:15:18,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:15:22,965 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:15:27,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 07:15:36,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:15:36,748 INFO L93 Difference]: Finished difference Result 787 states and 1068 transitions. [2025-03-17 07:15:36,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 07:15:36,756 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 136 [2025-03-17 07:15:36,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:15:36,760 INFO L225 Difference]: With dead ends: 787 [2025-03-17 07:15:36,761 INFO L226 Difference]: Without dead ends: 407 [2025-03-17 07:15:36,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-17 07:15:36,763 INFO L435 NwaCegarLoop]: 513 mSDtfsCounter, 11 mSDsluCounter, 3821 mSDsCounter, 0 mSdLazyCounter, 441 mSolverCounterSat, 0 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 28.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 4334 SdHoareTripleChecker+Invalid, 446 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 441 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 30.3s IncrementalHoareTripleChecker+Time [2025-03-17 07:15:36,764 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 4334 Invalid, 446 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 441 Invalid, 5 Unknown, 0 Unchecked, 30.3s Time] [2025-03-17 07:15:36,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2025-03-17 07:15:36,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 404. [2025-03-17 07:15:36,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 286 states have (on average 1.3006993006993006) internal successors, (372), 288 states have internal predecessors, (372), 86 states have call successors, (86), 29 states have call predecessors, (86), 31 states have return successors, (90), 86 states have call predecessors, (90), 85 states have call successors, (90) [2025-03-17 07:15:36,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 548 transitions. [2025-03-17 07:15:36,781 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 548 transitions. Word has length 136 [2025-03-17 07:15:36,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:15:36,782 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 548 transitions. [2025-03-17 07:15:36,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 6.888888888888889) internal successors, (62), 9 states have internal predecessors, (62), 4 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-17 07:15:36,782 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 548 transitions. [2025-03-17 07:15:36,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2025-03-17 07:15:36,785 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:15:36,785 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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] [2025-03-17 07:15:36,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 07:15:36,785 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:15:36,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:15:36,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1874833353, now seen corresponding path program 1 times [2025-03-17 07:15:36,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:15:36,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297942243] [2025-03-17 07:15:36,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:36,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:15:40,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 136 statements into 1 equivalence classes. [2025-03-17 07:15:40,921 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 136 of 136 statements. [2025-03-17 07:15:40,921 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:40,921 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:42,214 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-03-17 07:15:42,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:42,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297942243] [2025-03-17 07:15:42,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297942243] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:15:42,215 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 07:15:42,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 07:15:42,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050670458] [2025-03-17 07:15:42,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:15:42,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 07:15:42,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:15:42,216 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 07:15:42,216 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:15:42,216 INFO L87 Difference]: Start difference. First operand 404 states and 548 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-03-17 07:15:43,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:15:43,662 INFO L93 Difference]: Finished difference Result 794 states and 1076 transitions. [2025-03-17 07:15:43,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 07:15:43,663 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 136 [2025-03-17 07:15:43,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:15:43,666 INFO L225 Difference]: With dead ends: 794 [2025-03-17 07:15:43,666 INFO L226 Difference]: Without dead ends: 402 [2025-03-17 07:15:43,668 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-17 07:15:43,669 INFO L435 NwaCegarLoop]: 519 mSDtfsCounter, 80 mSDsluCounter, 1429 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1948 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-17 07:15:43,670 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1948 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-17 07:15:43,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2025-03-17 07:15:43,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2025-03-17 07:15:43,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 284 states have (on average 1.295774647887324) internal successors, (368), 286 states have internal predecessors, (368), 86 states have call successors, (86), 29 states have call predecessors, (86), 31 states have return successors, (90), 86 states have call predecessors, (90), 85 states have call successors, (90) [2025-03-17 07:15:43,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 544 transitions. [2025-03-17 07:15:43,691 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 544 transitions. Word has length 136 [2025-03-17 07:15:43,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:15:43,691 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 544 transitions. [2025-03-17 07:15:43,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2025-03-17 07:15:43,691 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 544 transitions. [2025-03-17 07:15:43,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2025-03-17 07:15:43,693 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:15:43,693 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 07:15:43,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 07:15:43,694 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:15:43,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:15:43,694 INFO L85 PathProgramCache]: Analyzing trace with hash -964573873, now seen corresponding path program 1 times [2025-03-17 07:15:43,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:15:43,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223923786] [2025-03-17 07:15:43,696 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:43,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:15:47,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-17 07:15:47,404 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-17 07:15:47,405 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:47,405 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:50,161 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2025-03-17 07:15:50,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:15:50,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223923786] [2025-03-17 07:15:50,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223923786] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:15:50,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2094862244] [2025-03-17 07:15:50,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:15:50,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:15:50,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:15:50,165 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 07:15:50,166 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 07:15:54,618 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 142 statements into 1 equivalence classes. [2025-03-17 07:15:55,080 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 142 of 142 statements. [2025-03-17 07:15:55,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:15:55,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:15:55,103 INFO L256 TraceCheckSpWp]: Trace formula consists of 4520 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-03-17 07:15:55,110 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:15:57,478 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-17 07:15:57,479 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:15:57,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2094862244] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:15:57,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:15:57,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2025-03-17 07:15:57,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1106105674] [2025-03-17 07:15:57,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:15:57,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 07:15:57,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:15:57,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 07:15:57,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-03-17 07:15:57,480 INFO L87 Difference]: Start difference. First operand 402 states and 544 transitions. Second operand has 9 states, 8 states have (on average 9.25) internal successors, (74), 7 states have internal predecessors, (74), 3 states have call successors, (25), 2 states have call predecessors, (25), 5 states have return successors, (23), 4 states have call predecessors, (23), 3 states have call successors, (23)