./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 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_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-?-e2fb8be-m [2025-03-08 18:07:13,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:07:13,947 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:07:13,951 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:07:13,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:07:13,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:07:13,967 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:07:13,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:07:13,967 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:07:13,967 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:07:13,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:07:13,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:07:13,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:07:13,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:07:13,968 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:07:13,968 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:07:13,968 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:07:13,968 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:07:13,968 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:07:13,968 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:07:13,969 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:07:13,969 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:07:13,969 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:07:13,969 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:07:13,969 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:07:13,969 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:07:13,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:07:13,969 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:07:13,969 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:07:13,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:07:13,969 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:07:13,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:07:13,970 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:07:13,970 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:07:13,970 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:07:13,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:07:13,970 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:07:13,970 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:07:13,970 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:07:13,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:07:13,970 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 [2025-03-08 18:07:14,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:07:14,199 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:07:14,201 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:07:14,205 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:07:14,206 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:07:14,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i [2025-03-08 18:07:15,367 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92131bb93/6eb1408c2172429ba0d46686553bfea3/FLAGfa84b8df6 [2025-03-08 18:07:15,822 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:07:15,823 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i [2025-03-08 18:07:15,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92131bb93/6eb1408c2172429ba0d46686553bfea3/FLAGfa84b8df6 [2025-03-08 18:07:15,871 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92131bb93/6eb1408c2172429ba0d46686553bfea3 [2025-03-08 18:07:15,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:07:15,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:07:15,876 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:07:15,876 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:07:15,879 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:07:15,880 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:07:15" (1/1) ... [2025-03-08 18:07:15,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@275e0967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:15, skipping insertion in model container [2025-03-08 18:07:15,881 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:07:15" (1/1) ... [2025-03-08 18:07:15,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:07:16,208 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] [2025-03-08 18:07:16,218 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] [2025-03-08 18:07:17,558 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:17,558 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:17,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:17,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:17,560 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:17,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:17,570 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:17,571 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:17,572 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:17,573 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:17,574 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:17,574 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:17,574 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,205 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,206 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,227 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,233 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,249 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,251 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,252 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,323 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness_negated.i[229379,229392] [2025-03-08 18:07:18,324 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:07:18,355 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:07:18,368 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] [2025-03-08 18:07:18,368 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] [2025-03-08 18:07:18,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,410 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,411 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,417 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,418 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,419 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,419 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,420 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,420 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,421 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,421 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,482 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7544-7555] [2025-03-08 18:07:18,542 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,543 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,549 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,550 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,551 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,552 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,558 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,559 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,560 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,560 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:07:18,577 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] [2025-03-08 18:07:18,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:07:18,782 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:07:18,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18 WrapperNode [2025-03-08 18:07:18,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:07:18,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:07:18,783 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:07:18,787 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:07:18,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18" (1/1) ... [2025-03-08 18:07:18,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18" (1/1) ... [2025-03-08 18:07:18,942 INFO L138 Inliner]: procedures = 764, calls = 2484, calls flagged for inlining = 71, calls inlined = 25, statements flattened = 1463 [2025-03-08 18:07:18,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:07:18,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:07:18,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:07:18,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:07:18,950 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18" (1/1) ... [2025-03-08 18:07:18,950 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18" (1/1) ... [2025-03-08 18:07:18,964 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18" (1/1) ... [2025-03-08 18:07:18,975 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-03-08 18:07:18,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18" (1/1) ... [2025-03-08 18:07:18,975 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18" (1/1) ... [2025-03-08 18:07:19,012 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18" (1/1) ... [2025-03-08 18:07:19,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18" (1/1) ... [2025-03-08 18:07:19,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18" (1/1) ... [2025-03-08 18:07:19,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18" (1/1) ... [2025-03-08 18:07:19,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:07:19,053 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:07:19,053 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:07:19,054 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:07:19,054 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18" (1/1) ... [2025-03-08 18:07:19,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:07:19,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:07:19,078 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 18:07:19,082 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 18:07:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2025-03-08 18:07:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2025-03-08 18:07:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-03-08 18:07:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-08 18:07:19,101 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-08 18:07:19,101 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:07:19,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:07:19,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:07:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 18:07:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 18:07:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-08 18:07:19,103 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-08 18:07:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-03-08 18:07:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-03-08 18:07:19,103 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2025-03-08 18:07:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2025-03-08 18:07:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-08 18:07:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:07:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:07:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:07:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:07:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-03-08 18:07:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-08 18:07:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-08 18:07:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:07:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:07:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-08 18:07:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-08 18:07:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-03-08 18:07:19,104 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 18:07:19,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-08 18:07:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:07:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:07:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-08 18:07:19,105 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-08 18:07:19,105 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-08 18:07:19,106 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-08 18:07:19,106 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-08 18:07:19,448 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:07:19,454 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:07:19,508 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-08 18:07:19,531 INFO L1307 $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; [2025-03-08 18:07:19,548 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 18:07:19,648 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10087: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-08 18:07:19,777 INFO L1307 $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; [2025-03-08 18:07:19,777 INFO L1307 $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; [2025-03-08 18:07:19,999 INFO L1307 $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; [2025-03-08 18:07:19,999 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2643: havoc aws_round_up_to_power_of_two_#t~ret62#1; [2025-03-08 18:07:20,009 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6974: havoc #t~ret600.base, #t~ret600.offset; [2025-03-08 18:07:20,046 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume false; [2025-03-08 18:07:20,046 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9122-1: assume !false; [2025-03-08 18:07:20,078 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:07:20,083 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:07:20,119 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume false; [2025-03-08 18:07:20,120 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9083-1: assume !false; [2025-03-08 18:07:20,120 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-08 18:07:20,173 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-08 18:07:20,173 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1; [2025-03-08 18:07:20,173 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-08 18:07:20,236 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9109: havoc #t~ret1142; [2025-03-08 18:07:20,540 INFO L1307 $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; [2025-03-08 18:07:20,541 INFO L1307 $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; [2025-03-08 18:07:20,700 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9444-1: assume false; [2025-03-08 18:07:20,703 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9444-1: assume !false; [2025-03-08 18:07:20,703 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9403-1: assume false; [2025-03-08 18:07:20,703 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9403-1: assume !false; [2025-03-08 18:07:20,812 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9311: havoc #t~ret1203#1; [2025-03-08 18:07:20,831 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-08 18:07:20,841 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:07:27,531 INFO L1307 $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; [2025-03-08 18:07:27,532 INFO L1307 $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; [2025-03-08 18:07:27,532 INFO L1307 $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; [2025-03-08 18:07:27,532 INFO L1307 $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; [2025-03-08 18:07:27,532 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6831: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-03-08 18:07:27,698 INFO L? ?]: Removed 447 outVars from TransFormulas that were not future-live. [2025-03-08 18:07:27,699 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:07:27,751 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:07:27,751 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:07:27,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:07:27 BoogieIcfgContainer [2025-03-08 18:07:27,752 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:07:27,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:07:27,756 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:07:27,759 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:07:27,760 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:07:15" (1/3) ... [2025-03-08 18:07:27,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7159151f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:07:27, skipping insertion in model container [2025-03-08 18:07:27,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:07:18" (2/3) ... [2025-03-08 18:07:27,761 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7159151f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:07:27, skipping insertion in model container [2025-03-08 18:07:27,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:07:27" (3/3) ... [2025-03-08 18:07:27,763 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_put_harness_negated.i [2025-03-08 18:07:27,774 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:07:27,775 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_put_harness_negated.i that has 30 procedures, 409 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-03-08 18:07:27,853 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:07:27,869 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;@3a4ed039, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:07:27,870 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:07:27,874 INFO L276 IsEmpty]: Start isEmpty. Operand has 409 states, 296 states have (on average 1.3074324324324325) internal successors, (387), 293 states have internal predecessors, (387), 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) [2025-03-08 18:07:27,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-08 18:07:27,882 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:27,883 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] [2025-03-08 18:07:27,883 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:27,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:27,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1440740924, now seen corresponding path program 1 times [2025-03-08 18:07:27,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:27,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632984533] [2025-03-08 18:07:27,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:27,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:07:32,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-08 18:07:32,648 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-08 18:07:32,648 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:32,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:33,099 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2025-03-08 18:07:33,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:07:33,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632984533] [2025-03-08 18:07:33,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632984533] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:07:33,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416545707] [2025-03-08 18:07:33,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:33,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:07:33,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:07:33,103 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 18:07:33,106 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 18:07:38,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-08 18:07:39,611 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-08 18:07:39,611 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:39,611 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:39,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 4502 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:07:39,656 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:07:39,688 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2025-03-08 18:07:39,693 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:07:39,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416545707] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:07:39,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:07:39,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:07:39,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883535645] [2025-03-08 18:07:39,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:07:39,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:07:39,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:07:39,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:07:39,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:07:39,736 INFO L87 Difference]: Start difference. First operand has 409 states, 296 states have (on average 1.3074324324324325) internal successors, (387), 293 states have internal predecessors, (387), 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 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2025-03-08 18:07:40,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:07:40,183 INFO L93 Difference]: Finished difference Result 812 states and 1166 transitions. [2025-03-08 18:07:40,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:07:40,192 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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 134 [2025-03-08 18:07:40,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:07:40,206 INFO L225 Difference]: With dead ends: 812 [2025-03-08 18:07:40,212 INFO L226 Difference]: Without dead ends: 403 [2025-03-08 18:07:40,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 135 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 18:07:40,231 INFO L435 NwaCegarLoop]: 536 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-08 18:07:40,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 536 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-08 18:07:40,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2025-03-08 18:07:40,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2025-03-08 18:07:40,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 287 states have (on average 1.2961672473867596) internal successors, (372), 288 states have internal predecessors, (372), 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) [2025-03-08 18:07:40,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 543 transitions. [2025-03-08 18:07:40,358 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 543 transitions. Word has length 134 [2025-03-08 18:07:40,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:07:40,359 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 543 transitions. [2025-03-08 18:07:40,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2025-03-08 18:07:40,363 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 543 transitions. [2025-03-08 18:07:40,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-08 18:07:40,367 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:40,367 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] [2025-03-08 18:07:40,407 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-08 18:07:40,570 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 18:07:40,571 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:40,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:40,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1163791975, now seen corresponding path program 1 times [2025-03-08 18:07:40,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:40,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508821876] [2025-03-08 18:07:40,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:40,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:07:45,947 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-08 18:07:46,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-08 18:07:46,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:46,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:07:48,047 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-03-08 18:07:48,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:07:48,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508821876] [2025-03-08 18:07:48,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508821876] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:07:48,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:07:48,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 18:07:48,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103366085] [2025-03-08 18:07:48,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:07:48,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:07:48,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:07:48,054 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:07:48,054 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:07:48,056 INFO L87 Difference]: Start difference. First operand 403 states and 543 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 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) [2025-03-08 18:07:48,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:07:48,921 INFO L93 Difference]: Finished difference Result 802 states and 1084 transitions. [2025-03-08 18:07:48,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:07:48,922 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), 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 134 [2025-03-08 18:07:48,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:07:48,934 INFO L225 Difference]: With dead ends: 802 [2025-03-08 18:07:48,934 INFO L226 Difference]: Without dead ends: 408 [2025-03-08 18:07:48,936 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 [2025-03-08 18:07:48,941 INFO L435 NwaCegarLoop]: 528 mSDtfsCounter, 0 mSDsluCounter, 1580 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2108 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-08 18:07:48,941 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2108 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-08 18:07:48,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2025-03-08 18:07:48,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 408. [2025-03-08 18:07:48,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 291 states have (on average 1.2920962199312716) internal successors, (376), 292 states have internal predecessors, (376), 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) [2025-03-08 18:07:49,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 551 transitions. [2025-03-08 18:07:49,005 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 551 transitions. Word has length 134 [2025-03-08 18:07:49,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:07:49,006 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 551 transitions. [2025-03-08 18:07:49,006 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), 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) [2025-03-08 18:07:49,006 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 551 transitions. [2025-03-08 18:07:49,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-08 18:07:49,011 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:49,015 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, 1, 1, 1, 1] [2025-03-08 18:07:49,015 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 18:07:49,015 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:49,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:49,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1529507522, now seen corresponding path program 1 times [2025-03-08 18:07:49,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:49,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873423716] [2025-03-08 18:07:49,016 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:49,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:07:54,075 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-08 18:07:54,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-08 18:07:54,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:07:54,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:01,535 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-03-08 18:08:01,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:08:01,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873423716] [2025-03-08 18:08:01,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873423716] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:08:01,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:08:01,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-03-08 18:08:01,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320767194] [2025-03-08 18:08:01,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:08:01,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-08 18:08:01,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:08:01,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-08 18:08:01,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-03-08 18:08:01,539 INFO L87 Difference]: Start difference. First operand 408 states and 551 transitions. Second operand has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 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) [2025-03-08 18:08:05,646 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 18:08:10,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 18:08:14,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 18:08:18,747 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.26s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-08 18:08:26,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:08:26,376 INFO L93 Difference]: Finished difference Result 803 states and 1084 transitions. [2025-03-08 18:08:26,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-08 18:08:26,380 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 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 140 [2025-03-08 18:08:26,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:08:26,384 INFO L225 Difference]: With dead ends: 803 [2025-03-08 18:08:26,384 INFO L226 Difference]: Without dead ends: 416 [2025-03-08 18:08:26,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-08 18:08:26,386 INFO L435 NwaCegarLoop]: 522 mSDtfsCounter, 11 mSDsluCounter, 3424 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 3946 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2025-03-08 18:08:26,386 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 3946 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 368 Invalid, 4 Unknown, 0 Unchecked, 24.2s Time] [2025-03-08 18:08:26,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 416 states. [2025-03-08 18:08:26,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 416 to 413. [2025-03-08 18:08:26,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 295 states have (on average 1.2915254237288136) internal successors, (381), 297 states have internal predecessors, (381), 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) [2025-03-08 18:08:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 557 transitions. [2025-03-08 18:08:26,407 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 557 transitions. Word has length 140 [2025-03-08 18:08:26,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:08:26,408 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 557 transitions. [2025-03-08 18:08:26,408 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.6) internal successors, (66), 9 states have internal predecessors, (66), 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) [2025-03-08 18:08:26,408 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 557 transitions. [2025-03-08 18:08:26,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-03-08 18:08:26,410 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:08:26,410 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, 1, 1, 1, 1] [2025-03-08 18:08:26,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 18:08:26,410 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:08:26,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:08:26,411 INFO L85 PathProgramCache]: Analyzing trace with hash 573986243, now seen corresponding path program 1 times [2025-03-08 18:08:26,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:08:26,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178783122] [2025-03-08 18:08:26,411 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:26,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:08:30,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-03-08 18:08:30,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-03-08 18:08:30,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:30,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-03-08 18:08:31,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:08:31,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178783122] [2025-03-08 18:08:31,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178783122] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:08:31,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:08:31,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-08 18:08:31,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747303524] [2025-03-08 18:08:31,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:08:31,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-08 18:08:31,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:08:31,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-08 18:08:31,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-03-08 18:08:31,611 INFO L87 Difference]: Start difference. First operand 413 states and 557 transitions. Second operand has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2025-03-08 18:08:32,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:08:32,929 INFO L93 Difference]: Finished difference Result 810 states and 1092 transitions. [2025-03-08 18:08:32,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-08 18:08:32,930 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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 140 [2025-03-08 18:08:32,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:08:32,938 INFO L225 Difference]: With dead ends: 810 [2025-03-08 18:08:32,938 INFO L226 Difference]: Without dead ends: 411 [2025-03-08 18:08:32,940 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 [2025-03-08 18:08:32,940 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 80 mSDsluCounter, 1453 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 1979 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-08 18:08:32,940 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 1979 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-08 18:08:32,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2025-03-08 18:08:32,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2025-03-08 18:08:32,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 293 states have (on average 1.286689419795222) internal successors, (377), 295 states have internal predecessors, (377), 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) [2025-03-08 18:08:32,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 553 transitions. [2025-03-08 18:08:32,982 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 553 transitions. Word has length 140 [2025-03-08 18:08:32,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:08:32,986 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 553 transitions. [2025-03-08 18:08:32,986 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.2) internal successors, (66), 5 states have internal predecessors, (66), 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) [2025-03-08 18:08:32,987 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 553 transitions. [2025-03-08 18:08:32,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-03-08 18:08:32,991 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:08:32,991 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, 1, 1, 1, 1] [2025-03-08 18:08:32,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 18:08:32,991 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:08:32,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:08:32,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1663627532, now seen corresponding path program 1 times [2025-03-08 18:08:32,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:08:32,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356045626] [2025-03-08 18:08:32,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:32,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:08:36,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 18:08:37,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 18:08:37,107 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:37,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:41,340 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2025-03-08 18:08:41,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:08:41,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356045626] [2025-03-08 18:08:41,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356045626] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:08:41,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221510293] [2025-03-08 18:08:41,341 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:41,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:08:41,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:08:41,347 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 18:08:41,349 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 18:08:46,014 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-03-08 18:08:46,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-03-08 18:08:46,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:08:46,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:08:46,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 4530 conjuncts, 36 conjuncts are in the unsatisfiable core [2025-03-08 18:08:46,784 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:08:49,207 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-03-08 18:08:49,208 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:08:49,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221510293] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:08:49,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:08:49,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2025-03-08 18:08:49,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091826861] [2025-03-08 18:08:49,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:08:49,209 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-08 18:08:49,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:08:49,210 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-08 18:08:49,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-03-08 18:08:49,211 INFO L87 Difference]: Start difference. First operand 411 states and 553 transitions. Second operand has 9 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 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) [2025-03-08 18:08:53,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:08:53,688 INFO L93 Difference]: Finished difference Result 807 states and 1090 transitions. [2025-03-08 18:08:53,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-08 18:08:53,689 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 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) Word has length 146 [2025-03-08 18:08:53,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:08:53,692 INFO L225 Difference]: With dead ends: 807 [2025-03-08 18:08:53,692 INFO L226 Difference]: Without dead ends: 417 [2025-03-08 18:08:53,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=26, Invalid=156, Unknown=0, NotChecked=0, Total=182 [2025-03-08 18:08:53,694 INFO L435 NwaCegarLoop]: 507 mSDtfsCounter, 0 mSDsluCounter, 3499 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 4006 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2025-03-08 18:08:53,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 4006 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2025-03-08 18:08:53,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2025-03-08 18:08:53,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 414. [2025-03-08 18:08:53,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 295 states have (on average 1.2847457627118644) internal successors, (379), 297 states have internal predecessors, (379), 86 states have call successors, (86), 29 states have call predecessors, (86), 32 states have return successors, (97), 87 states have call predecessors, (97), 85 states have call successors, (97) [2025-03-08 18:08:53,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 562 transitions. [2025-03-08 18:08:53,710 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 562 transitions. Word has length 146 [2025-03-08 18:08:53,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:08:53,710 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 562 transitions. [2025-03-08 18:08:53,710 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.75) internal successors, (78), 7 states have internal predecessors, (78), 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) [2025-03-08 18:08:53,711 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 562 transitions. [2025-03-08 18:08:53,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2025-03-08 18:08:53,712 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:08:53,712 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 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, 1, 1, 1, 1, 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 18:08:53,729 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 18:08:53,913 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:08:53,913 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:08:53,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:08:53,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1079722764, now seen corresponding path program 1 times [2025-03-08 18:08:53,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:08:53,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904119853] [2025-03-08 18:08:53,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:08:53,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:08:57,737 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 153 statements into 1 equivalence classes.