./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.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_eq_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4e984a9029981b62e4f2c0c4f313850f20633ca16be8aebe99d7cc6e2f39f6fd --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:05:26,701 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:05:26,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:05:26,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:05:26,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:05:26,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:05:26,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:05:26,788 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:05:26,788 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:05:26,788 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:05:26,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:05:26,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:05:26,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:05:26,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:05:26,789 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:05:26,789 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:05:26,789 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:05:26,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:05:26,789 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:05:26,790 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:05:26,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:05:26,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:05:26,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:05:26,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:05:26,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:05:26,791 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 -> 4e984a9029981b62e4f2c0c4f313850f20633ca16be8aebe99d7cc6e2f39f6fd [2025-03-08 18:05:27,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:05:27,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:05:27,103 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:05:27,105 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:05:27,105 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:05:27,107 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i [2025-03-08 18:05:28,368 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058a782e7/b8e2aef59fc742a8a378640484537d47/FLAG6255761e3 [2025-03-08 18:05:28,973 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:05:28,975 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness.i [2025-03-08 18:05:29,018 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058a782e7/b8e2aef59fc742a8a378640484537d47/FLAG6255761e3 [2025-03-08 18:05:29,034 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058a782e7/b8e2aef59fc742a8a378640484537d47 [2025-03-08 18:05:29,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:05:29,038 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:05:29,039 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:05:29,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:05:29,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:05:29,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:05:29" (1/1) ... [2025-03-08 18:05:29,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31725625 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:29, skipping insertion in model container [2025-03-08 18:05:29,047 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:05:29" (1/1) ... [2025-03-08 18:05:29,135 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:05:29,411 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_eq_harness.i[4491,4504] [2025-03-08 18:05:29,421 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_eq_harness.i[4551,4564] [2025-03-08 18:05:30,799 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:30,800 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:30,800 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:30,800 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:30,801 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:30,812 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:30,813 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:30,814 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:30,815 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:30,816 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:30,820 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:30,820 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:30,821 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:31,949 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:31,950 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:31,979 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:31,980 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:31,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:31,985 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:31,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:31,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:31,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:31,996 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:31,997 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:31,997 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:31,997 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,022 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_eq_harness.i[228146,228159] [2025-03-08 18:05:32,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:05:32,053 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:05:32,064 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_eq_harness.i[4491,4504] [2025-03-08 18:05:32,068 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_eq_harness.i[4551,4564] [2025-03-08 18:05:32,103 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,104 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,105 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,105 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,109 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,112 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,113 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,113 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,114 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,114 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,114 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,114 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,156 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-03-08 18:05:32,276 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,277 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,283 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,285 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,288 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,295 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,296 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,297 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,298 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,299 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:05:32,315 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_eq_harness.i[228146,228159] [2025-03-08 18:05:32,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:05:32,509 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:05:32,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32 WrapperNode [2025-03-08 18:05:32,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:05:32,512 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:05:32,512 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:05:32,513 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:05:32,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32" (1/1) ... [2025-03-08 18:05:32,612 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32" (1/1) ... [2025-03-08 18:05:32,672 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 69, calls inlined = 18, statements flattened = 968 [2025-03-08 18:05:32,673 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:05:32,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:05:32,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:05:32,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:05:32,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32" (1/1) ... [2025-03-08 18:05:32,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32" (1/1) ... [2025-03-08 18:05:32,689 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32" (1/1) ... [2025-03-08 18:05:32,767 INFO L175 MemorySlicer]: Split 320 memory accesses to 11 slices as follows [238, 2, 13, 5, 39, 2, 3, 4, 3, 6, 5]. 74 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [6, 2, 0, 1, 0, 0, 0, 0, 0, 0, 5]. The 250 writes are split as follows [232, 0, 1, 2, 5, 1, 1, 3, 3, 2, 0]. [2025-03-08 18:05:32,768 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32" (1/1) ... [2025-03-08 18:05:32,768 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32" (1/1) ... [2025-03-08 18:05:32,816 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32" (1/1) ... [2025-03-08 18:05:32,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32" (1/1) ... [2025-03-08 18:05:32,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32" (1/1) ... [2025-03-08 18:05:32,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32" (1/1) ... [2025-03-08 18:05:32,864 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:05:32,866 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:05:32,867 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:05:32,867 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:05:32,867 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32" (1/1) ... [2025-03-08 18:05:32,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:05:32,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:05:32,899 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 18:05:32,914 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 18:05:32,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-08 18:05:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-08 18:05:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-08 18:05:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-08 18:05:32,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-08 18:05:32,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-08 18:05:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_hash_table [2025-03-08 18:05:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_hash_table [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:05:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2025-03-08 18:05:32,940 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:05:32,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:05:32,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:05:32,942 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:05:32,942 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:05:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-08 18:05:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-08 18:05:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:05:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-08 18:05:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:05:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:05:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:05:32,943 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:05:32,943 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-08 18:05:32,944 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:05:32,944 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-08 18:05:32,944 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-08 18:05:32,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-08 18:05:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-08 18:05:32,947 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-08 18:05:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:05:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:05:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:05:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:05:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:05:32,947 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 18:05:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 18:05:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 18:05:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-08 18:05:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-08 18:05:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-08 18:05:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_allocated_hash_table [2025-03-08 18:05:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_allocated_hash_table [2025-03-08 18:05:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:05:32,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:05:32,948 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-08 18:05:32,949 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:05:32,949 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure check_hash_table_unchanged [2025-03-08 18:05:32,949 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hash_table_unchanged [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-08 18:05:32,949 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-08 18:05:32,949 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-08 18:05:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:05:32,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-08 18:05:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:05:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:05:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:05:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:05:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:05:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 18:05:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 18:05:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 18:05:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-08 18:05:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-08 18:05:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-08 18:05:32,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-08 18:05:32,950 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-08 18:05:33,355 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:05:33,358 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:05:33,393 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-08 18:05:33,430 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9136-1: assume false; [2025-03-08 18:05:33,430 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9136-1: assume !false; [2025-03-08 18:05:33,456 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-08 18:05:33,459 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:05:33,623 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9327: havoc #t~ret1201#1; [2025-03-08 18:05:33,675 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 18:05:33,699 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7373: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-08 18:05:33,699 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9097-1: assume false; [2025-03-08 18:05:33,699 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9097-1: assume !false; [2025-03-08 18:05:33,753 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L10103: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-08 18:05:33,774 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9990: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-03-08 18:05:33,780 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9146: havoc #t~mem1150; [2025-03-08 18:05:33,813 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-08 18:05:33,813 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1; [2025-03-08 18:05:33,813 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-08 18:05:33,840 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9123: havoc #t~ret1140; [2025-03-08 18:05:33,858 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-08 18:05:33,871 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-08 18:05:39,048 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9773-1: assume false; [2025-03-08 18:05:39,048 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9773-1: assume !false; [2025-03-08 18:05:39,048 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9410-1: assume false; [2025-03-08 18:05:39,048 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9410-1: assume !false; [2025-03-08 18:05:39,048 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9749-1: assume false; [2025-03-08 18:05:39,048 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9749-1: assume !false; [2025-03-08 18:05:39,048 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9784-1: assume false; [2025-03-08 18:05:39,048 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9784-1: assume !false; [2025-03-08 18:05:39,048 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9779-1: assume false; [2025-03-08 18:05:39,048 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L9779-1: assume !false; [2025-03-08 18:05:39,121 INFO L? ?]: Removed 285 outVars from TransFormulas that were not future-live. [2025-03-08 18:05:39,121 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:05:39,141 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:05:39,142 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:05:39,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:05:39 BoogieIcfgContainer [2025-03-08 18:05:39,142 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:05:39,144 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:05:39,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:05:39,148 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:05:39,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:05:29" (1/3) ... [2025-03-08 18:05:39,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b716a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:05:39, skipping insertion in model container [2025-03-08 18:05:39,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:05:32" (2/3) ... [2025-03-08 18:05:39,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b716a57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:05:39, skipping insertion in model container [2025-03-08 18:05:39,149 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:05:39" (3/3) ... [2025-03-08 18:05:39,150 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_eq_harness.i [2025-03-08 18:05:39,161 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:05:39,163 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_eq_harness.i that has 25 procedures, 311 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-08 18:05:39,219 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:05:39,230 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;@3454d3a3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:05:39,230 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:05:39,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 311 states, 203 states have (on average 1.2364532019704433) internal successors, (251), 197 states have internal predecessors, (251), 89 states have call successors, (89), 24 states have call predecessors, (89), 24 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) [2025-03-08 18:05:39,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-03-08 18:05:39,254 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:05:39,255 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:05:39,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:05:39,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:05:39,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1231699364, now seen corresponding path program 1 times [2025-03-08 18:05:39,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:05:39,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700253978] [2025-03-08 18:05:39,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:39,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:05:46,848 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-03-08 18:05:47,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-03-08 18:05:47,530 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:47,531 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:05:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2025-03-08 18:05:48,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:05:48,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700253978] [2025-03-08 18:05:48,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700253978] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:05:48,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570674771] [2025-03-08 18:05:48,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:48,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:05:48,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:05:48,956 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 18:05:48,957 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 18:05:56,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-03-08 18:05:57,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-03-08 18:05:57,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:05:57,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:05:57,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 5303 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:05:57,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:05:58,047 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2025-03-08 18:05:58,047 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:05:58,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570674771] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:05:58,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:05:58,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:05:58,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461087225] [2025-03-08 18:05:58,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:05:58,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:05:58,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:05:58,112 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:05:58,113 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:05:58,120 INFO L87 Difference]: Start difference. First operand has 311 states, 203 states have (on average 1.2364532019704433) internal successors, (251), 197 states have internal predecessors, (251), 89 states have call successors, (89), 24 states have call predecessors, (89), 24 states have return successors, (89), 89 states have call predecessors, (89), 89 states have call successors, (89) Second operand has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2025-03-08 18:05:58,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:05:58,278 INFO L93 Difference]: Finished difference Result 618 states and 926 transitions. [2025-03-08 18:05:58,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:05:58,281 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 293 [2025-03-08 18:05:58,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:05:58,290 INFO L225 Difference]: With dead ends: 618 [2025-03-08 18:05:58,290 INFO L226 Difference]: Without dead ends: 305 [2025-03-08 18:05:58,296 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 294 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 18:05:58,298 INFO L435 NwaCegarLoop]: 412 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-08 18:05:58,298 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 412 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-08 18:05:58,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2025-03-08 18:05:58,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2025-03-08 18:05:58,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 191 states have (on average 1.225130890052356) internal successors, (234), 192 states have internal predecessors, (234), 89 states have call successors, (89), 24 states have call predecessors, (89), 24 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2025-03-08 18:05:58,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 411 transitions. [2025-03-08 18:05:58,361 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 411 transitions. Word has length 293 [2025-03-08 18:05:58,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:05:58,366 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 411 transitions. [2025-03-08 18:05:58,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 2 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2025-03-08 18:05:58,366 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 411 transitions. [2025-03-08 18:05:58,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-03-08 18:05:58,450 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:05:58,455 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:05:58,499 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 18:05:58,656 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 18:05:58,656 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:05:58,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:05:58,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1323770181, now seen corresponding path program 1 times [2025-03-08 18:05:58,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:05:58,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321185222] [2025-03-08 18:05:58,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:05:58,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:05,686 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-03-08 18:06:06,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-03-08 18:06:06,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:06,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:07,968 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2025-03-08 18:06:07,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:07,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321185222] [2025-03-08 18:06:07,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321185222] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:06:07,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [424211230] [2025-03-08 18:06:07,971 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:07,971 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:06:07,971 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:06:07,973 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 18:06:07,976 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 18:06:14,470 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-03-08 18:06:15,305 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-03-08 18:06:15,305 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:15,305 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:15,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 5303 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-08 18:06:15,431 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:06:17,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-08 18:06:21,198 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2025-03-08 18:06:21,198 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:06:21,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [424211230] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:06:21,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:06:21,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2025-03-08 18:06:21,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504555763] [2025-03-08 18:06:21,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:06:21,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-08 18:06:21,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:06:21,200 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-08 18:06:21,203 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2025-03-08 18:06:21,204 INFO L87 Difference]: Start difference. First operand 305 states and 411 transitions. Second operand has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 9 states have internal predecessors, (93), 4 states have call successors, (43), 3 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 4 states have call successors, (42) [2025-03-08 18:06:44,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:06:44,851 INFO L93 Difference]: Finished difference Result 683 states and 938 transitions. [2025-03-08 18:06:44,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-08 18:06:44,852 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 9 states have internal predecessors, (93), 4 states have call successors, (43), 3 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 4 states have call successors, (42) Word has length 293 [2025-03-08 18:06:44,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:06:44,870 INFO L225 Difference]: With dead ends: 683 [2025-03-08 18:06:44,870 INFO L226 Difference]: Without dead ends: 382 [2025-03-08 18:06:44,876 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2025-03-08 18:06:44,878 INFO L435 NwaCegarLoop]: 442 mSDtfsCounter, 400 mSDsluCounter, 2746 mSDsCounter, 0 mSdLazyCounter, 1177 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 3188 SdHoareTripleChecker+Invalid, 1189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 1177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.3s IncrementalHoareTripleChecker+Time [2025-03-08 18:06:44,879 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 3188 Invalid, 1189 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [12 Valid, 1177 Invalid, 0 Unknown, 0 Unchecked, 21.3s Time] [2025-03-08 18:06:44,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2025-03-08 18:06:44,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 378. [2025-03-08 18:06:44,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 378 states, 239 states have (on average 1.209205020920502) internal successors, (289), 241 states have internal predecessors, (289), 103 states have call successors, (103), 35 states have call predecessors, (103), 35 states have return successors, (119), 101 states have call predecessors, (119), 102 states have call successors, (119) [2025-03-08 18:06:45,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 378 states and 511 transitions. [2025-03-08 18:06:45,007 INFO L78 Accepts]: Start accepts. Automaton has 378 states and 511 transitions. Word has length 293 [2025-03-08 18:06:45,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:06:45,008 INFO L471 AbstractCegarLoop]: Abstraction has 378 states and 511 transitions. [2025-03-08 18:06:45,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.454545454545455) internal successors, (93), 9 states have internal predecessors, (93), 4 states have call successors, (43), 3 states have call predecessors, (43), 5 states have return successors, (42), 5 states have call predecessors, (42), 4 states have call successors, (42) [2025-03-08 18:06:45,008 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states and 511 transitions. [2025-03-08 18:06:45,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2025-03-08 18:06:45,026 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:06:45,027 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:06:45,083 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-08 18:06:45,228 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-03-08 18:06:45,229 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:06:45,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:06:45,232 INFO L85 PathProgramCache]: Analyzing trace with hash 229317180, now seen corresponding path program 1 times [2025-03-08 18:06:45,233 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:06:45,233 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117496666] [2025-03-08 18:06:45,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:45,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:06:51,319 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-03-08 18:06:51,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-03-08 18:06:51,483 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:51,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:52,772 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2025-03-08 18:06:52,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:06:52,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117496666] [2025-03-08 18:06:52,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117496666] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:06:52,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1187351612] [2025-03-08 18:06:52,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:06:52,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:06:52,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:06:52,779 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 18:06:52,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-08 18:06:57,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 293 statements into 1 equivalence classes. [2025-03-08 18:06:58,260 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 293 of 293 statements. [2025-03-08 18:06:58,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:06:58,265 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:06:58,309 INFO L256 TraceCheckSpWp]: Trace formula consists of 5298 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-08 18:06:58,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:06:59,317 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2025-03-08 18:06:59,317 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:06:59,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1187351612] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:06:59,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:06:59,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2025-03-08 18:06:59,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371440608] [2025-03-08 18:06:59,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:06:59,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 18:06:59,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:06:59,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 18:06:59,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2025-03-08 18:06:59,319 INFO L87 Difference]: Start difference. First operand 378 states and 511 transitions. Second operand has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-03-08 18:07:02,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:07:02,667 INFO L93 Difference]: Finished difference Result 689 states and 961 transitions. [2025-03-08 18:07:02,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 18:07:02,668 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) Word has length 293 [2025-03-08 18:07:02,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:07:02,672 INFO L225 Difference]: With dead ends: 689 [2025-03-08 18:07:02,674 INFO L226 Difference]: Without dead ends: 383 [2025-03-08 18:07:02,675 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2025-03-08 18:07:02,676 INFO L435 NwaCegarLoop]: 357 mSDtfsCounter, 423 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2025-03-08 18:07:02,676 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 996 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2025-03-08 18:07:02,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2025-03-08 18:07:02,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2025-03-08 18:07:02,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 242 states have (on average 1.2066115702479339) internal successors, (292), 245 states have internal predecessors, (292), 104 states have call successors, (104), 35 states have call predecessors, (104), 36 states have return successors, (135), 102 states have call predecessors, (135), 103 states have call successors, (135) [2025-03-08 18:07:02,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 531 transitions. [2025-03-08 18:07:02,712 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 531 transitions. Word has length 293 [2025-03-08 18:07:02,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:07:02,713 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 531 transitions. [2025-03-08 18:07:02,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.6) internal successors, (93), 6 states have internal predecessors, (93), 3 states have call successors, (43), 2 states have call predecessors, (43), 3 states have return successors, (42), 3 states have call predecessors, (42), 3 states have call successors, (42) [2025-03-08 18:07:02,713 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 531 transitions. [2025-03-08 18:07:02,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2025-03-08 18:07:02,717 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:07:02,718 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 7, 7, 7, 7, 7, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:07:02,745 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-08 18:07:02,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:07:02,922 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:07:02,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:07:02,923 INFO L85 PathProgramCache]: Analyzing trace with hash -1554194566, now seen corresponding path program 1 times [2025-03-08 18:07:02,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:07:02,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830356943] [2025-03-08 18:07:02,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:07:02,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms