./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 f854806972984dce66ab6a9732a626450e69b31616f902ad254c217d61a95da2 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 05:13:55,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 05:13:55,848 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-06 05:13:55,852 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 05:13:55,852 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 05:13:55,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 05:13:55,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 05:13:55,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 05:13:55,876 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 05:13:55,877 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 05:13:55,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 05:13:55,877 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 05:13:55,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 05:13:55,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 05:13:55,878 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 05:13:55,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 05:13:55,878 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 05:13:55,878 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 05:13:55,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 05:13:55,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 05:13:55,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 05:13:55,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 05:13:55,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 05:13:55,879 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 05:13:55,879 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 05:13:55,879 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 05:13:55,879 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 05:13:55,879 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 05:13:55,879 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 05:13:55,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:13:55,880 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 05:13:55,880 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 05:13:55,880 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 05:13:55,880 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 05:13:55,880 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 05:13:55,880 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 05:13:55,880 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 05:13:55,880 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 05:13:55,881 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 05:13:55,881 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 05:13:55,881 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-jdk21/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 -> f854806972984dce66ab6a9732a626450e69b31616f902ad254c217d61a95da2 [2025-02-06 05:13:56,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 05:13:56,153 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 05:13:56,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 05:13:56,156 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 05:13:56,156 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 05:13:56,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i [2025-02-06 05:13:57,384 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/58477cc06/cab9fa1d09664697abfc6c712fa3bc7c/FLAG8e6616e3a [2025-02-06 05:13:57,864 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 05:13:57,864 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i [2025-02-06 05:13:57,904 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/58477cc06/cab9fa1d09664697abfc6c712fa3bc7c/FLAG8e6616e3a [2025-02-06 05:13:57,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/58477cc06/cab9fa1d09664697abfc6c712fa3bc7c [2025-02-06 05:13:57,957 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 05:13:57,958 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 05:13:57,959 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 05:13:57,959 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 05:13:57,963 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 05:13:57,963 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:13:57" (1/1) ... [2025-02-06 05:13:57,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f64504f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:13:57, skipping insertion in model container [2025-02-06 05:13:57,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:13:57" (1/1) ... [2025-02-06 05:13:58,046 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 05:13:58,264 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4492,4505] [2025-02-06 05:13:58,272 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4552,4565] [2025-02-06 05:13:58,968 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:58,969 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:58,969 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:58,969 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:58,970 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:58,981 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:58,981 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:58,982 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:58,983 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:58,984 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:58,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:58,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:58,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,560 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,561 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,606 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,606 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,622 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,623 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,624 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,625 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,680 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[229077,229090] [2025-02-06 05:13:59,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:13:59,698 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 05:13:59,706 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4492,4505] [2025-02-06 05:13:59,707 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[4552,4565] [2025-02-06 05:13:59,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,734 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,734 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,734 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,779 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7576-7587] [2025-02-06 05:13:59,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,822 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,826 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,828 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,828 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,832 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,833 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-06 05:13:59,845 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_put_harness.i[229077,229090] [2025-02-06 05:13:59,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 05:14:00,029 INFO L204 MainTranslator]: Completed translation [2025-02-06 05:14:00,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00 WrapperNode [2025-02-06 05:14:00,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 05:14:00,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 05:14:00,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 05:14:00,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 05:14:00,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00" (1/1) ... [2025-02-06 05:14:00,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00" (1/1) ... [2025-02-06 05:14:00,134 INFO L138 Inliner]: procedures = 764, calls = 2484, calls flagged for inlining = 71, calls inlined = 25, statements flattened = 1463 [2025-02-06 05:14:00,135 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 05:14:00,135 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 05:14:00,135 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 05:14:00,136 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 05:14:00,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00" (1/1) ... [2025-02-06 05:14:00,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00" (1/1) ... [2025-02-06 05:14:00,150 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00" (1/1) ... [2025-02-06 05:14:00,162 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-06 05:14:00,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00" (1/1) ... [2025-02-06 05:14:00,163 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00" (1/1) ... [2025-02-06 05:14:00,194 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00" (1/1) ... [2025-02-06 05:14:00,198 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00" (1/1) ... [2025-02-06 05:14:00,203 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00" (1/1) ... [2025-02-06 05:14:00,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00" (1/1) ... [2025-02-06 05:14:00,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 05:14:00,215 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 05:14:00,215 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 05:14:00,216 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 05:14:00,216 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00" (1/1) ... [2025-02-06 05:14:00,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 05:14:00,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:14:00,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 05:14:00,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 05:14:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure s_update_template_size [2025-02-06 05:14:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure s_update_template_size [2025-02-06 05:14:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-02-06 05:14:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-02-06 05:14:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-02-06 05:14:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-02-06 05:14:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-02-06 05:14:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-06 05:14:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-06 05:14:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-06 05:14:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-06 05:14:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-06 05:14:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-02-06 05:14:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2025-02-06 05:14:00,266 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_calloc [2025-02-06 05:14:00,266 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_calloc [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure s_emplace_item [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure s_emplace_item [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-06 05:14:00,267 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-06 05:14:00,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-06 05:14:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-02-06 05:14:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-02-06 05:14:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-02-06 05:14:00,269 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-02-06 05:14:00,269 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-02-06 05:14:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-02-06 05:14:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-06 05:14:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-06 05:14:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-06 05:14:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-06 05:14:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-02-06 05:14:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-02-06 05:14:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-02-06 05:14:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-02-06 05:14:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-06 05:14:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-02-06 05:14:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-02-06 05:14:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure s_alloc_state [2025-02-06 05:14:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure s_alloc_state [2025-02-06 05:14:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:14:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-02-06 05:14:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-06 05:14:00,270 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-02-06 05:14:00,270 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-02-06 05:14:00,587 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 05:14:00,589 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 05:14:00,633 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-02-06 05:14:00,652 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10008: havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~short1492;havoc #t~mem1493.base, #t~mem1493.offset;havoc #t~ret1494;havoc #t~short1495; [2025-02-06 05:14:00,659 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-06 05:14:00,690 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L10121: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-02-06 05:14:00,749 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6940: 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; [2025-02-06 05:14:00,749 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6955: havoc #t~ret589#1;havoc #t~ite591#1.base, #t~ite591#1.offset;havoc #t~ret590#1.base, #t~ret590#1.offset; [2025-02-06 05:14:00,837 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2643: havoc aws_round_up_to_power_of_two_#t~ret62#1; [2025-02-06 05:14:00,838 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9201: call ULTIMATE.dealloc(~#size~0#1.base, ~#size~0#1.offset);havoc ~#size~0#1.base, ~#size~0#1.offset; [2025-02-06 05:14:00,841 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6986: havoc #t~ret600.base, #t~ret600.offset; [2025-02-06 05:14:00,858 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume false; [2025-02-06 05:14:00,858 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9154-1: assume !false; [2025-02-06 05:14:00,869 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-02-06 05:14:00,870 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-02-06 05:14:00,883 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume false; [2025-02-06 05:14:00,883 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9115-1: assume !false; [2025-02-06 05:14:00,883 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-02-06 05:14:00,907 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-02-06 05:14:00,907 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1; [2025-02-06 05:14:00,907 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-02-06 05:14:00,930 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9141: havoc #t~ret1142; [2025-02-06 05:14:01,038 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L7009: 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; [2025-02-06 05:14:01,039 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9172: call ULTIMATE.dealloc(~#required_bytes~3#1.base, ~#required_bytes~3#1.offset);havoc ~#required_bytes~3#1.base, ~#required_bytes~3#1.offset; [2025-02-06 05:14:01,105 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9437-1: assume false; [2025-02-06 05:14:01,105 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9437-1: assume !false; [2025-02-06 05:14:01,105 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9478-1: assume false; [2025-02-06 05:14:01,105 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9478-1: assume !false; [2025-02-06 05:14:01,163 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9345: havoc #t~ret1203#1; [2025-02-06 05:14:01,183 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-02-06 05:14:01,193 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-02-06 05:14:07,073 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9524: 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; [2025-02-06 05:14:07,074 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6833: havoc aws_hash_table_has_an_empty_slot_#t~mem566#1.base, aws_hash_table_has_an_empty_slot_#t~mem566#1.offset;havoc aws_hash_table_has_an_empty_slot_#t~ret567#1; [2025-02-06 05:14:07,074 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9584: 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; [2025-02-06 05:14:07,074 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L6843: havoc hash_table_state_has_an_empty_slot_#t~mem571#1; [2025-02-06 05:14:07,074 INFO L1309 $ProcedureCfgBuilder]: dead code at ProgramPoint L9486: 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; [2025-02-06 05:14:07,228 INFO L? ?]: Removed 447 outVars from TransFormulas that were not future-live. [2025-02-06 05:14:07,232 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 05:14:07,274 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 05:14:07,275 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 05:14:07,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:14:07 BoogieIcfgContainer [2025-02-06 05:14:07,278 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 05:14:07,280 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 05:14:07,280 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 05:14:07,286 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 05:14:07,286 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:13:57" (1/3) ... [2025-02-06 05:14:07,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0ff2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:14:07, skipping insertion in model container [2025-02-06 05:14:07,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:14:00" (2/3) ... [2025-02-06 05:14:07,287 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a0ff2a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:14:07, skipping insertion in model container [2025-02-06 05:14:07,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:14:07" (3/3) ... [2025-02-06 05:14:07,288 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_put_harness.i [2025-02-06 05:14:07,299 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 05:14:07,303 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_put_harness.i that has 30 procedures, 413 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-02-06 05:14:07,352 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 05:14:07,360 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;@47eb1aa2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 05:14:07,361 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-06 05:14:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand has 413 states, 296 states have (on average 1.320945945945946) internal successors, (391), 297 states have internal predecessors, (391), 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) [2025-02-06 05:14:07,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-02-06 05:14:07,373 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:07,373 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] [2025-02-06 05:14:07,374 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:07,378 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:07,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1316700691, now seen corresponding path program 1 times [2025-02-06 05:14:07,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:07,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056958336] [2025-02-06 05:14:07,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:07,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:12,121 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-02-06 05:14:12,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-02-06 05:14:12,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:12,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:13,622 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-02-06 05:14:13,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:13,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056958336] [2025-02-06 05:14:13,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056958336] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:14:13,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 05:14:13,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 05:14:13,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224964083] [2025-02-06 05:14:13,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:14:13,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 05:14:13,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:14:13,638 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 05:14:13,638 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:14:13,640 INFO L87 Difference]: Start difference. First operand has 413 states, 296 states have (on average 1.320945945945946) internal successors, (391), 297 states have internal predecessors, (391), 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 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) [2025-02-06 05:14:14,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:14:14,349 INFO L93 Difference]: Finished difference Result 825 states and 1185 transitions. [2025-02-06 05:14:14,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 05:14:14,351 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 [2025-02-06 05:14:14,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:14:14,359 INFO L225 Difference]: With dead ends: 825 [2025-02-06 05:14:14,359 INFO L226 Difference]: Without dead ends: 412 [2025-02-06 05:14:14,363 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 [2025-02-06 05:14:14,365 INFO L435 NwaCegarLoop]: 537 mSDtfsCounter, 0 mSDsluCounter, 1607 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2144 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 05:14:14,365 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2144 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 05:14:14,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2025-02-06 05:14:14,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 412. [2025-02-06 05:14:14,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 295 states have (on average 1.2881355932203389) internal successors, (380), 296 states have internal predecessors, (380), 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) [2025-02-06 05:14:14,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 555 transitions. [2025-02-06 05:14:14,430 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 555 transitions. Word has length 134 [2025-02-06 05:14:14,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:14:14,435 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 555 transitions. [2025-02-06 05:14:14,435 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) [2025-02-06 05:14:14,435 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 555 transitions. [2025-02-06 05:14:14,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-02-06 05:14:14,441 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:14,442 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] [2025-02-06 05:14:14,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 05:14:14,442 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:14,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:14,443 INFO L85 PathProgramCache]: Analyzing trace with hash -634055445, now seen corresponding path program 1 times [2025-02-06 05:14:14,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:14,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984869117] [2025-02-06 05:14:14,443 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:14,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:18,393 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-02-06 05:14:18,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-02-06 05:14:18,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:18,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:22,295 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-02-06 05:14:22,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:22,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984869117] [2025-02-06 05:14:22,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984869117] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:14:22,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 05:14:22,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2025-02-06 05:14:22,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965727889] [2025-02-06 05:14:22,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:14:22,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 05:14:22,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:14:22,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 05:14:22,301 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2025-02-06 05:14:22,305 INFO L87 Difference]: Start difference. First operand 412 states and 555 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) [2025-02-06 05:14:26,379 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 05:14:30,817 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 05:14:35,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 05:14:39,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-02-06 05:14:46,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:14:46,995 INFO L93 Difference]: Finished difference Result 811 states and 1092 transitions. [2025-02-06 05:14:47,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 05:14:47,004 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 [2025-02-06 05:14:47,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:14:47,013 INFO L225 Difference]: With dead ends: 811 [2025-02-06 05:14:47,014 INFO L226 Difference]: Without dead ends: 420 [2025-02-06 05:14:47,015 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-02-06 05:14:47,016 INFO L435 NwaCegarLoop]: 526 mSDtfsCounter, 11 mSDsluCounter, 3452 mSDsCounter, 0 mSdLazyCounter, 369 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 3978 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 369 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.0s IncrementalHoareTripleChecker+Time [2025-02-06 05:14:47,016 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 3978 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 369 Invalid, 4 Unknown, 0 Unchecked, 24.0s Time] [2025-02-06 05:14:47,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2025-02-06 05:14:47,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 417. [2025-02-06 05:14:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 299 states have (on average 1.2876254180602007) internal successors, (385), 301 states have internal predecessors, (385), 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) [2025-02-06 05:14:47,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 561 transitions. [2025-02-06 05:14:47,052 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 561 transitions. Word has length 140 [2025-02-06 05:14:47,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:14:47,053 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 561 transitions. [2025-02-06 05:14:47,053 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) [2025-02-06 05:14:47,054 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 561 transitions. [2025-02-06 05:14:47,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-02-06 05:14:47,055 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:47,055 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] [2025-02-06 05:14:47,055 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 05:14:47,055 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:47,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:47,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1589576724, now seen corresponding path program 1 times [2025-02-06 05:14:47,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:47,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687395557] [2025-02-06 05:14:47,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:47,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:50,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-02-06 05:14:50,918 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-02-06 05:14:50,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:50,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2025-02-06 05:14:51,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:51,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687395557] [2025-02-06 05:14:51,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687395557] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:14:51,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 05:14:51,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 05:14:51,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732193763] [2025-02-06 05:14:51,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:14:51,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 05:14:51,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:14:51,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 05:14:51,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-06 05:14:51,991 INFO L87 Difference]: Start difference. First operand 417 states and 561 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) [2025-02-06 05:14:53,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 05:14:53,002 INFO L93 Difference]: Finished difference Result 818 states and 1100 transitions. [2025-02-06 05:14:53,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 05:14:53,003 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 [2025-02-06 05:14:53,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 05:14:53,006 INFO L225 Difference]: With dead ends: 818 [2025-02-06 05:14:53,006 INFO L226 Difference]: Without dead ends: 415 [2025-02-06 05:14:53,007 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 [2025-02-06 05:14:53,008 INFO L435 NwaCegarLoop]: 530 mSDtfsCounter, 82 mSDsluCounter, 943 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 1473 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-02-06 05:14:53,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 1473 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-02-06 05:14:53,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2025-02-06 05:14:53,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2025-02-06 05:14:53,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 297 states have (on average 1.2828282828282829) internal successors, (381), 299 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) [2025-02-06 05:14:53,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 557 transitions. [2025-02-06 05:14:53,022 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 557 transitions. Word has length 140 [2025-02-06 05:14:53,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 05:14:53,022 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 557 transitions. [2025-02-06 05:14:53,022 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) [2025-02-06 05:14:53,022 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 557 transitions. [2025-02-06 05:14:53,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-02-06 05:14:53,023 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 05:14:53,024 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] [2025-02-06 05:14:53,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 05:14:53,024 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-06 05:14:53,024 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 05:14:53,024 INFO L85 PathProgramCache]: Analyzing trace with hash 1398178455, now seen corresponding path program 1 times [2025-02-06 05:14:53,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 05:14:53,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546438578] [2025-02-06 05:14:53,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:53,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 05:14:56,503 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-02-06 05:14:56,570 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-02-06 05:14:56,570 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:14:56,570 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:14:58,941 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2025-02-06 05:14:58,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 05:14:58,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546438578] [2025-02-06 05:14:58,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546438578] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 05:14:58,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1612535808] [2025-02-06 05:14:58,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 05:14:58,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 05:14:58,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 05:14:58,945 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 05:14:58,946 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 05:15:03,136 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-02-06 05:15:03,602 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-02-06 05:15:03,602 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 05:15:03,602 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 05:15:03,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 4530 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-02-06 05:15:03,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 05:15:09,602 WARN L873 $PredicateComparison]: unable to prove that (or (exists ((v_aws_hash_table_is_valid_~map.base_4 Int) (v_aws_hash_table_is_valid_~map.offset_4 Int)) (not (= (select (select |c_#memory_$Pointer$.offset| v_aws_hash_table_is_valid_~map.base_4) v_aws_hash_table_is_valid_~map.offset_4) 0))) (exists ((v_aws_hash_table_is_valid_~map.base_4 Int) (v_aws_hash_table_is_valid_~map.offset_4 Int)) (not (= (select (select |c_#memory_$Pointer$.base| v_aws_hash_table_is_valid_~map.base_4) v_aws_hash_table_is_valid_~map.offset_4) 0)))) is different from true [2025-02-06 05:15:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2025-02-06 05:15:18,712 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 05:15:18,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1612535808] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 05:15:18,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 05:15:18,713 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2025-02-06 05:15:18,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391447422] [2025-02-06 05:15:18,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 05:15:18,713 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 05:15:18,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 05:15:18,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 05:15:18,714 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=105, Unknown=3, NotChecked=20, Total=156 [2025-02-06 05:15:18,714 INFO L87 Difference]: Start difference. First operand 415 states and 557 transitions. Second operand has 8 states, 7 states have (on average 10.714285714285714) internal successors, (75), 7 states have internal predecessors, (75), 3 states have call successors, (25), 3 states have call predecessors, (25), 3 states have return successors, (23), 2 states have call predecessors, (23), 3 states have call successors, (23) [2025-02-06 05:15:22,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 05:15:27,174 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-02-06 05:15:31,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.42s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]