./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_iter_next_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 ae7ce2997d0c5bef92b3aae09bb2841f55ee37a1af1fdc34a25a2ace43ce8e46 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:04:23,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:04:23,501 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:04:23,506 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:04:23,507 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:04:23,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:04:23,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:04:23,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:04:23,527 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:04:23,527 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:04:23,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:04:23,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:04:23,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:04:23,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:04:23,529 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:04:23,529 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:04:23,529 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:04:23,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:04:23,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:04:23,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:04:23,530 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:04:23,530 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:04:23,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:04:23,530 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:04:23,530 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:04:23,530 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:04:23,530 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:04:23,530 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:04:23,530 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:04:23,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:04:23,531 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:04:23,531 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:04:23,531 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:04:23,531 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:04:23,531 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:04:23,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:04:23,531 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:04:23,531 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:04:23,531 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:04:23,531 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:04:23,531 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 -> ae7ce2997d0c5bef92b3aae09bb2841f55ee37a1af1fdc34a25a2ace43ce8e46 [2025-03-08 18:04:23,739 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:04:23,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:04:23,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:04:23,750 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:04:23,750 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:04:23,750 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness_negated.i [2025-03-08 18:04:24,871 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74099c4df/c1b24e032f5c44b49c0bc9700d8dcec2/FLAG01715522f [2025-03-08 18:04:25,322 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:04:25,323 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_iter_next_harness_negated.i [2025-03-08 18:04:25,354 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74099c4df/c1b24e032f5c44b49c0bc9700d8dcec2/FLAG01715522f [2025-03-08 18:04:25,442 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/74099c4df/c1b24e032f5c44b49c0bc9700d8dcec2 [2025-03-08 18:04:25,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:04:25,445 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:04:25,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:04:25,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:04:25,449 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:04:25,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:04:25" (1/1) ... [2025-03-08 18:04:25,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@366c59e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:25, skipping insertion in model container [2025-03-08 18:04:25,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:04:25" (1/1) ... [2025-03-08 18:04:25,513 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:04:25,681 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_iter_next_harness_negated.i[4492,4505] [2025-03-08 18:04:25,689 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_iter_next_harness_negated.i[4552,4565] [2025-03-08 18:04:26,190 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,190 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,191 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,191 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,192 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,201 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,204 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,207 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,209 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,210 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,210 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,823 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,824 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,848 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,849 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,856 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,872 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,873 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,874 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,875 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,907 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_iter_next_harness_negated.i[228192,228205] [2025-03-08 18:04:26,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:04:26,936 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:04:26,946 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_iter_next_harness_negated.i[4492,4505] [2025-03-08 18:04:26,946 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_iter_next_harness_negated.i[4552,4565] [2025-03-08 18:04:26,982 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,983 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,983 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,984 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,984 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,990 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,992 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,993 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:26,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,057 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-03-08 18:04:27,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,169 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,174 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,176 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,184 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,185 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,186 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,187 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:04:27,201 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_iter_next_harness_negated.i[228192,228205] [2025-03-08 18:04:27,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:04:27,364 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:04:27,365 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27 WrapperNode [2025-03-08 18:04:27,365 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:04:27,366 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:04:27,366 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:04:27,366 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:04:27,371 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27" (1/1) ... [2025-03-08 18:04:27,468 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27" (1/1) ... [2025-03-08 18:04:27,513 INFO L138 Inliner]: procedures = 763, calls = 2447, calls flagged for inlining = 68, calls inlined = 11, statements flattened = 643 [2025-03-08 18:04:27,517 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:04:27,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:04:27,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:04:27,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:04:27,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27" (1/1) ... [2025-03-08 18:04:27,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27" (1/1) ... [2025-03-08 18:04:27,537 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27" (1/1) ... [2025-03-08 18:04:27,595 INFO L175 MemorySlicer]: Split 329 memory accesses to 9 slices as follows [238, 2, 2, 22, 43, 6, 3, 8, 5]. 72 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [6, 2, 0, 0, 9, 0, 0, 0, 5]. The 247 writes are split as follows [232, 0, 1, 1, 9, 2, 1, 1, 0]. [2025-03-08 18:04:27,595 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27" (1/1) ... [2025-03-08 18:04:27,595 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27" (1/1) ... [2025-03-08 18:04:27,639 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27" (1/1) ... [2025-03-08 18:04:27,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27" (1/1) ... [2025-03-08 18:04:27,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27" (1/1) ... [2025-03-08 18:04:27,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27" (1/1) ... [2025-03-08 18:04:27,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:04:27,674 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:04:27,674 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:04:27,674 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:04:27,674 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27" (1/1) ... [2025-03-08 18:04:27,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:04:27,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:04:27,701 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) [2025-03-08 18:04:27,703 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 [2025-03-08 18:04:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-08 18:04:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-08 18:04:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-08 18:04:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-08 18:04:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-08 18:04:27,723 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-08 18:04:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-08 18:04:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-08 18:04:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-08 18:04:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:04:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:04:27,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:04:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:04:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:04:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:04:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:04:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:04:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 18:04:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 18:04:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:04:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:04:27,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:04:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:04:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-08 18:04:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_next [2025-03-08 18:04:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_next [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-08 18:04:27,727 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 18:04:27,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:04:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:04:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:04:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-03-08 18:04:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:04:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-03-08 18:04:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:04:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-08 18:04:27,728 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:04:27,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:04:27,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:04:27,731 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:04:27,731 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:04:27,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 18:04:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 18:04:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:04:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:04:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:04:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:04:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:04:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:04:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:04:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 18:04:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 18:04:27,732 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-08 18:04:27,732 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-08 18:04:28,038 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:04:28,041 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:04:28,073 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-08 18:04:28,099 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:04:28,100 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:04:28,253 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-08 18:04:28,305 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9956: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-03-08 18:04:28,324 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-08 18:04:28,336 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:04:33,399 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 18:04:33,456 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2025-03-08 18:04:33,456 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:04:33,473 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:04:33,476 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:04:33,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:04:33 BoogieIcfgContainer [2025-03-08 18:04:33,476 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:04:33,478 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:04:33,478 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:04:33,482 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:04:33,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:04:25" (1/3) ... [2025-03-08 18:04:33,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563bbdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:04:33, skipping insertion in model container [2025-03-08 18:04:33,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:04:27" (2/3) ... [2025-03-08 18:04:33,483 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563bbdaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:04:33, skipping insertion in model container [2025-03-08 18:04:33,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:04:33" (3/3) ... [2025-03-08 18:04:33,485 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_next_harness_negated.i [2025-03-08 18:04:33,498 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:04:33,500 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_iter_next_harness_negated.i that has 17 procedures, 171 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-08 18:04:33,545 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:04:33,558 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;@638ed37a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:04:33,558 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:04:33,562 INFO L276 IsEmpty]: Start isEmpty. Operand has 171 states, 110 states have (on average 1.2545454545454546) internal successors, (138), 111 states have internal predecessors, (138), 43 states have call successors, (43), 16 states have call predecessors, (43), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2025-03-08 18:04:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-03-08 18:04:33,571 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:04:33,572 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:04:33,572 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:04:33,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:04:33,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1659534338, now seen corresponding path program 1 times [2025-03-08 18:04:33,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:04:33,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38328340] [2025-03-08 18:04:33,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:04:33,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:04:38,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-08 18:04:38,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-08 18:04:38,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:04:38,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:04:39,060 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-03-08 18:04:39,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:04:39,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38328340] [2025-03-08 18:04:39,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38328340] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:04:39,061 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001603235] [2025-03-08 18:04:39,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:04:39,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:04:39,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:04:39,064 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) [2025-03-08 18:04:39,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:04:43,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-08 18:04:44,013 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-08 18:04:44,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:04:44,014 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:04:44,037 INFO L256 TraceCheckSpWp]: Trace formula consists of 4566 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:04:44,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:04:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 196 trivial. 0 not checked. [2025-03-08 18:04:44,063 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:04:44,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001603235] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:04:44,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:04:44,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:04:44,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352179638] [2025-03-08 18:04:44,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:04:44,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:04:44,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:04:44,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:04:44,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:04:44,083 INFO L87 Difference]: Start difference. First operand has 171 states, 110 states have (on average 1.2545454545454546) internal successors, (138), 111 states have internal predecessors, (138), 43 states have call successors, (43), 16 states have call predecessors, (43), 16 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 18:04:44,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:04:44,130 INFO L93 Difference]: Finished difference Result 334 states and 473 transitions. [2025-03-08 18:04:44,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:04:44,132 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 155 [2025-03-08 18:04:44,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:04:44,138 INFO L225 Difference]: With dead ends: 334 [2025-03-08 18:04:44,138 INFO L226 Difference]: Without dead ends: 165 [2025-03-08 18:04:44,141 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:04:44,143 INFO L435 NwaCegarLoop]: 220 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-08 18:04:44,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 18:04:44,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2025-03-08 18:04:44,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2025-03-08 18:04:44,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 105 states have (on average 1.2380952380952381) internal successors, (130), 106 states have internal predecessors, (130), 43 states have call successors, (43), 16 states have call predecessors, (43), 16 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2025-03-08 18:04:44,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 215 transitions. [2025-03-08 18:04:44,179 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 215 transitions. Word has length 155 [2025-03-08 18:04:44,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:04:44,179 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 215 transitions. [2025-03-08 18:04:44,179 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2025-03-08 18:04:44,179 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 215 transitions. [2025-03-08 18:04:44,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-03-08 18:04:44,182 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:04:44,182 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:04:44,199 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 18:04:44,383 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 [2025-03-08 18:04:44,384 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:04:44,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:04:44,384 INFO L85 PathProgramCache]: Analyzing trace with hash 1155618104, now seen corresponding path program 1 times [2025-03-08 18:04:44,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:04:44,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880672380] [2025-03-08 18:04:44,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:04:44,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:04:48,110 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-08 18:04:48,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-08 18:04:48,243 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:04:48,244 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:04:49,497 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2025-03-08 18:04:49,498 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:04:49,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880672380] [2025-03-08 18:04:49,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880672380] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:04:49,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284786958] [2025-03-08 18:04:49,499 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:04:49,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:04:49,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:04:49,503 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) [2025-03-08 18:04:49,505 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 18:04:53,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-08 18:04:54,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-08 18:04:54,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:04:54,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:04:54,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 4566 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-08 18:04:54,466 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:04:56,816 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-08 18:04:56,816 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:04:56,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284786958] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:04:56,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:04:56,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-08 18:04:56,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130273212] [2025-03-08 18:04:56,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:04:56,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 18:04:56,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:04:56,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 18:04:56,819 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2025-03-08 18:04:56,819 INFO L87 Difference]: Start difference. First operand 165 states and 215 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2025-03-08 18:04:59,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:04:59,017 INFO L93 Difference]: Finished difference Result 309 states and 408 transitions. [2025-03-08 18:04:59,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 18:04:59,018 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) Word has length 155 [2025-03-08 18:04:59,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:04:59,021 INFO L225 Difference]: With dead ends: 309 [2025-03-08 18:04:59,021 INFO L226 Difference]: Without dead ends: 171 [2025-03-08 18:04:59,022 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2025-03-08 18:04:59,022 INFO L435 NwaCegarLoop]: 181 mSDtfsCounter, 179 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 185 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-08 18:04:59,022 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [185 Valid, 687 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-08 18:04:59,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2025-03-08 18:04:59,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2025-03-08 18:04:59,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 106 states have (on average 1.2358490566037736) internal successors, (131), 108 states have internal predecessors, (131), 43 states have call successors, (43), 16 states have call predecessors, (43), 17 states have return successors, (45), 42 states have call predecessors, (45), 42 states have call successors, (45) [2025-03-08 18:04:59,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 219 transitions. [2025-03-08 18:04:59,041 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 219 transitions. Word has length 155 [2025-03-08 18:04:59,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:04:59,041 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 219 transitions. [2025-03-08 18:04:59,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 5 states have internal predecessors, (77), 3 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (24), 2 states have call predecessors, (24), 3 states have call successors, (24) [2025-03-08 18:04:59,042 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 219 transitions. [2025-03-08 18:04:59,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-03-08 18:04:59,044 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:04:59,044 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:04:59,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-08 18:04:59,245 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,SelfDestructingSolverStorable1 [2025-03-08 18:04:59,245 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:04:59,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:04:59,246 INFO L85 PathProgramCache]: Analyzing trace with hash -100955832, now seen corresponding path program 1 times [2025-03-08 18:04:59,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:04:59,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532150558] [2025-03-08 18:04:59,246 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:04:59,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:05:03,178 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-08 18:05:03,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-08 18:05:03,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:03,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:05:04,165 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2025-03-08 18:05:04,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:05:04,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532150558] [2025-03-08 18:05:04,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532150558] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:05:04,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164895023] [2025-03-08 18:05:04,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:04,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:05:04,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:05:04,168 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) [2025-03-08 18:05:04,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 18:05:08,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-03-08 18:05:08,846 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-03-08 18:05:08,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:08,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:05:08,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 4571 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-08 18:05:08,873 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:05:11,518 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 102 proven. 55 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2025-03-08 18:05:11,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 18:05:15,196 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2025-03-08 18:05:15,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164895023] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-08 18:05:15,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-08 18:05:15,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 16 [2025-03-08 18:05:15,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287699468] [2025-03-08 18:05:15,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-08 18:05:15,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-08 18:05:15,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:05:15,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-08 18:05:15,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2025-03-08 18:05:15,200 INFO L87 Difference]: Start difference. First operand 167 states and 219 transitions. Second operand has 16 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 8 states have call successors, (63), 5 states have call predecessors, (63), 5 states have return successors, (59), 7 states have call predecessors, (59), 8 states have call successors, (59) [2025-03-08 18:05:21,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:05:21,881 INFO L93 Difference]: Finished difference Result 331 states and 439 transitions. [2025-03-08 18:05:21,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-08 18:05:21,882 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 8 states have call successors, (63), 5 states have call predecessors, (63), 5 states have return successors, (59), 7 states have call predecessors, (59), 8 states have call successors, (59) Word has length 156 [2025-03-08 18:05:21,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:05:21,884 INFO L225 Difference]: With dead ends: 331 [2025-03-08 18:05:21,884 INFO L226 Difference]: Without dead ends: 176 [2025-03-08 18:05:21,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 301 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=83, Invalid=469, Unknown=0, NotChecked=0, Total=552 [2025-03-08 18:05:21,885 INFO L435 NwaCegarLoop]: 170 mSDtfsCounter, 211 mSDsluCounter, 1642 mSDsCounter, 0 mSdLazyCounter, 477 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 213 SdHoareTripleChecker+Valid, 1812 SdHoareTripleChecker+Invalid, 539 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 477 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2025-03-08 18:05:21,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [213 Valid, 1812 Invalid, 539 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 477 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2025-03-08 18:05:21,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-03-08 18:05:21,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 172. [2025-03-08 18:05:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 110 states have (on average 1.2272727272727273) internal successors, (135), 112 states have internal predecessors, (135), 43 states have call successors, (43), 16 states have call predecessors, (43), 18 states have return successors, (44), 43 states have call predecessors, (44), 42 states have call successors, (44) [2025-03-08 18:05:21,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 222 transitions. [2025-03-08 18:05:21,902 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 222 transitions. Word has length 156 [2025-03-08 18:05:21,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:05:21,902 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 222 transitions. [2025-03-08 18:05:21,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 14 states have (on average 10.0) internal successors, (140), 14 states have internal predecessors, (140), 8 states have call successors, (63), 5 states have call predecessors, (63), 5 states have return successors, (59), 7 states have call predecessors, (59), 8 states have call successors, (59) [2025-03-08 18:05:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 222 transitions. [2025-03-08 18:05:21,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2025-03-08 18:05:21,904 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:05:21,905 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:05:21,923 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 18:05:22,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:05:22,105 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:05:22,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:05:22,106 INFO L85 PathProgramCache]: Analyzing trace with hash -606917834, now seen corresponding path program 1 times [2025-03-08 18:05:22,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:05:22,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140800999] [2025-03-08 18:05:22,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:22,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:05:25,883 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-08 18:05:25,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-08 18:05:25,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:25,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:05:29,429 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2025-03-08 18:05:29,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:05:29,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140800999] [2025-03-08 18:05:29,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140800999] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:05:29,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1871704760] [2025-03-08 18:05:29,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:29,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:05:29,430 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:05:29,431 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) [2025-03-08 18:05:29,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-08 18:05:33,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 169 statements into 1 equivalence classes. [2025-03-08 18:05:34,048 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 169 of 169 statements. [2025-03-08 18:05:34,049 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:34,049 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:05:34,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 4584 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-08 18:05:34,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:05:38,062 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 6 proven. 128 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2025-03-08 18:05:38,062 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-08 18:05:43,648 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2025-03-08 18:05:43,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1871704760] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-08 18:05:43,648 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-08 18:05:43,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [10, 10] total 25 [2025-03-08 18:05:43,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587613418] [2025-03-08 18:05:43,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:05:43,649 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-08 18:05:43,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:05:43,650 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-08 18:05:43,650 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2025-03-08 18:05:43,650 INFO L87 Difference]: Start difference. First operand 172 states and 222 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 8 states have internal predecessors, (63), 6 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) [2025-03-08 18:05:50,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:05:50,343 INFO L93 Difference]: Finished difference Result 252 states and 330 transitions. [2025-03-08 18:05:50,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-08 18:05:50,343 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 8 states have internal predecessors, (63), 6 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) Word has length 169 [2025-03-08 18:05:50,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:05:50,346 INFO L225 Difference]: With dead ends: 252 [2025-03-08 18:05:50,346 INFO L226 Difference]: Without dead ends: 176 [2025-03-08 18:05:50,347 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 324 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=92, Invalid=900, Unknown=0, NotChecked=0, Total=992 [2025-03-08 18:05:50,348 INFO L435 NwaCegarLoop]: 164 mSDtfsCounter, 230 mSDsluCounter, 1094 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 1258 SdHoareTripleChecker+Invalid, 440 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-03-08 18:05:50,348 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 1258 Invalid, 440 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2025-03-08 18:05:50,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-03-08 18:05:50,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 170. [2025-03-08 18:05:50,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 109 states have (on average 1.2201834862385321) internal successors, (133), 110 states have internal predecessors, (133), 43 states have call successors, (43), 16 states have call predecessors, (43), 17 states have return successors, (43), 43 states have call predecessors, (43), 42 states have call successors, (43) [2025-03-08 18:05:50,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 219 transitions. [2025-03-08 18:05:50,366 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 219 transitions. Word has length 169 [2025-03-08 18:05:50,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:05:50,366 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 219 transitions. [2025-03-08 18:05:50,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 8 states have internal predecessors, (63), 6 states have call successors, (26), 4 states have call predecessors, (26), 2 states have return successors, (23), 6 states have call predecessors, (23), 5 states have call successors, (23) [2025-03-08 18:05:50,367 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 219 transitions. [2025-03-08 18:05:50,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-03-08 18:05:50,368 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:05:50,368 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:05:50,390 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-08 18:05:50,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:05:50,569 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:05:50,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:05:50,569 INFO L85 PathProgramCache]: Analyzing trace with hash 285817506, now seen corresponding path program 1 times [2025-03-08 18:05:50,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:05:50,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753095957] [2025-03-08 18:05:50,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:50,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:05:54,301 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-03-08 18:05:54,390 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-03-08 18:05:54,391 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:54,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat