./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 30091377e4ec06a93ce8980a411bd57ff29d691a2fbe3a2d6828a70c9a775d29 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:12:51,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:12:51,775 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:12:51,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:12:51,781 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:12:51,803 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:12:51,804 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:12:51,805 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:12:51,805 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:12:51,805 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:12:51,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:12:51,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:12:51,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:12:51,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:12:51,807 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:12:51,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:12:51,807 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:12:51,808 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:12:51,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:12:51,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:12:51,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:12:51,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:12:51,808 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:12:51,808 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:12:51,808 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:12:51,808 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 -> 30091377e4ec06a93ce8980a411bd57ff29d691a2fbe3a2d6828a70c9a775d29 [2025-03-17 07:12:52,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:12:52,084 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:12:52,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:12:52,087 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:12:52,088 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:12:52,089 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness_negated.i [2025-03-17 07:12:53,335 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96105dd73/a0fb50fa14524cda848e532895849888/FLAGbc2e534fc [2025-03-17 07:12:53,785 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:12:53,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_eq_harness_negated.i [2025-03-17 07:12:53,826 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96105dd73/a0fb50fa14524cda848e532895849888/FLAGbc2e534fc [2025-03-17 07:12:53,845 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/96105dd73/a0fb50fa14524cda848e532895849888 [2025-03-17 07:12:53,848 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:12:53,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:12:53,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:12:53,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:12:53,854 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:12:53,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:12:53" (1/1) ... [2025-03-17 07:12:53,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f169b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:53, skipping insertion in model container [2025-03-17 07:12:53,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:12:53" (1/1) ... [2025-03-17 07:12:53,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:12:54,165 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_negated.i[4491,4504] [2025-03-17 07:12:54,173 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_negated.i[4551,4564] [2025-03-17 07:12:54,781 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,781 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,782 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,783 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,793 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,793 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,795 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,796 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:54,797 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,445 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,446 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,471 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,472 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,492 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,493 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,564 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_negated.i[228442,228455] [2025-03-17 07:12:55,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:12:55,591 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:12:55,600 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_negated.i[4491,4504] [2025-03-17 07:12:55,602 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_negated.i[4551,4564] [2025-03-17 07:12:55,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,645 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,646 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,646 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,646 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,653 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,654 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,654 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,655 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,655 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,655 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,700 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-03-17 07:12:55,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,756 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,763 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,763 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,766 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,766 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,774 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,774 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,774 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,774 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,775 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,775 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,775 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:12:55,793 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_negated.i[228442,228455] [2025-03-17 07:12:55,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:12:55,955 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:12:55,956 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55 WrapperNode [2025-03-17 07:12:55,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:12:55,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:12:55,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:12:55,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:12:55,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55" (1/1) ... [2025-03-17 07:12:56,039 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55" (1/1) ... [2025-03-17 07:12:56,106 INFO L138 Inliner]: procedures = 763, calls = 2450, calls flagged for inlining = 69, calls inlined = 18, statements flattened = 968 [2025-03-17 07:12:56,107 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:12:56,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:12:56,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:12:56,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:12:56,114 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55" (1/1) ... [2025-03-17 07:12:56,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55" (1/1) ... [2025-03-17 07:12:56,119 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55" (1/1) ... [2025-03-17 07:12:56,181 INFO L175 MemorySlicer]: Split 320 memory accesses to 11 slices as follows [4, 238, 2, 3, 39, 3, 13, 6, 5, 5, 2]. 74 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [0, 6, 2, 0, 0, 0, 0, 0, 1, 5, 0]. The 250 writes are split as follows [3, 232, 0, 1, 5, 3, 1, 2, 2, 0, 1]. [2025-03-17 07:12:56,182 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55" (1/1) ... [2025-03-17 07:12:56,182 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55" (1/1) ... [2025-03-17 07:12:56,213 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55" (1/1) ... [2025-03-17 07:12:56,216 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55" (1/1) ... [2025-03-17 07:12:56,228 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55" (1/1) ... [2025-03-17 07:12:56,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55" (1/1) ... [2025-03-17 07:12:56,254 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:12:56,255 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:12:56,255 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:12:56,255 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:12:56,257 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55" (1/1) ... [2025-03-17 07:12:56,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:12:56,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:12:56,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:12:56,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:12:56,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_keys_eq [2025-03-17 07:12:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_keys_eq [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_hash_table [2025-03-17 07:12:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_hash_table [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:12:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_get_entry_count [2025-03-17 07:12:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_get_entry_count [2025-03-17 07:12:56,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#9 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#10 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:12:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:12:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-17 07:12:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-17 07:12:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:12:56,312 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:12:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure s_safe_eq_check [2025-03-17 07:12:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure s_safe_eq_check [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:12:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:12:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:12:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:12:56,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:12:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:12:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:12:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:12:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:12:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#9 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#10 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure s_find_entry [2025-03-17 07:12:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure s_find_entry [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:12:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-17 07:12:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-17 07:12:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_allocated_hash_table [2025-03-17 07:12:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_allocated_hash_table [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:12:56,317 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:12:56,317 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-17 07:12:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:12:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure check_hash_table_unchanged [2025-03-17 07:12:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure check_hash_table_unchanged [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure s_hash_for [2025-03-17 07:12:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure s_hash_for [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:12:56,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-03-17 07:12:56,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-03-17 07:12:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-03-17 07:12:56,321 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-17 07:12:56,321 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-17 07:12:56,680 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:12:56,683 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:12:56,732 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-17 07:12:56,759 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104-1: assume false; [2025-03-17 07:12:56,760 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9104-1: assume !false; [2025-03-17 07:12:56,785 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-17 07:12:56,787 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:12:56,915 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9293: havoc #t~ret1201#1; [2025-03-17 07:12:56,958 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:12:56,977 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc uninterpreted_hasher_#t~ret689#1; [2025-03-17 07:12:56,977 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9065-1: assume false; [2025-03-17 07:12:56,977 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9065-1: assume !false; [2025-03-17 07:12:57,032 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-17 07:12:57,051 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9956: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-03-17 07:12:57,056 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9114: havoc #t~mem1150; [2025-03-17 07:12:57,086 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-17 07:12:57,086 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1; [2025-03-17 07:12:57,086 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc nondet_int_#t~nondet5#1; [2025-03-17 07:12:57,109 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9091: havoc #t~ret1140; [2025-03-17 07:12:57,134 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-17 07:12:57,148 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-17 07:13:02,274 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9739-1: assume false; [2025-03-17 07:13:02,274 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9739-1: assume !false; [2025-03-17 07:13:02,275 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9376-1: assume false; [2025-03-17 07:13:02,275 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9376-1: assume !false; [2025-03-17 07:13:02,275 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9715-1: assume false; [2025-03-17 07:13:02,275 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9715-1: assume !false; [2025-03-17 07:13:02,275 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9750-1: assume false; [2025-03-17 07:13:02,275 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9750-1: assume !false; [2025-03-17 07:13:02,275 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9745-1: assume false; [2025-03-17 07:13:02,275 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L9745-1: assume !false; [2025-03-17 07:13:02,378 INFO L? ?]: Removed 281 outVars from TransFormulas that were not future-live. [2025-03-17 07:13:02,378 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:13:02,408 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:13:02,411 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:13:02,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:13:02 BoogieIcfgContainer [2025-03-17 07:13:02,411 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:13:02,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:13:02,415 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:13:02,418 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:13:02,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:12:53" (1/3) ... [2025-03-17 07:13:02,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a92edf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:13:02, skipping insertion in model container [2025-03-17 07:13:02,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:12:55" (2/3) ... [2025-03-17 07:13:02,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a92edf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:13:02, skipping insertion in model container [2025-03-17 07:13:02,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:13:02" (3/3) ... [2025-03-17 07:13:02,420 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_eq_harness_negated.i [2025-03-17 07:13:02,434 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:13:02,436 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_eq_harness_negated.i that has 25 procedures, 303 locations, 1 initial locations, 9 loop locations, and 1 error locations. [2025-03-17 07:13:02,491 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:13:02,500 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;@18f37e72, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:13:02,501 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:13:02,505 INFO L276 IsEmpty]: Start isEmpty. Operand has 303 states, 195 states have (on average 1.2461538461538462) internal successors, (243), 189 states have internal predecessors, (243), 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) [2025-03-17 07:13:02,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2025-03-17 07:13:02,519 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:02,520 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] [2025-03-17 07:13:02,521 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:02,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:02,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1824501958, now seen corresponding path program 1 times [2025-03-17 07:13:02,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:02,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693735588] [2025-03-17 07:13:02,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:02,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:07,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-03-17 07:13:07,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-03-17 07:13:07,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:07,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:08,270 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2025-03-17 07:13:08,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:08,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693735588] [2025-03-17 07:13:08,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693735588] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:08,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984161491] [2025-03-17 07:13:08,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:08,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:08,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:08,322 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:13:08,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 07:13:13,021 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-03-17 07:13:13,618 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-03-17 07:13:13,618 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:13,618 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:13,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 5303 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:13:13,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:13,698 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 782 trivial. 0 not checked. [2025-03-17 07:13:13,698 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:13,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984161491] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:13,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:13,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:13:13,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701937013] [2025-03-17 07:13:13,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:13,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:13:13,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:13,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:13:13,720 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:13:13,723 INFO L87 Difference]: Start difference. First operand has 303 states, 195 states have (on average 1.2461538461538462) internal successors, (243), 189 states have internal predecessors, (243), 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 31.5) internal successors, (63), 2 states have internal predecessors, (63), 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) [2025-03-17 07:13:13,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:13,820 INFO L93 Difference]: Finished difference Result 603 states and 911 transitions. [2025-03-17 07:13:13,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:13:13,822 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (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 292 [2025-03-17 07:13:13,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:13,830 INFO L225 Difference]: With dead ends: 603 [2025-03-17 07:13:13,830 INFO L226 Difference]: Without dead ends: 299 [2025-03-17 07:13:13,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 293 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:13:13,837 INFO L435 NwaCegarLoop]: 404 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:13,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 404 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:13:13,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2025-03-17 07:13:13,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2025-03-17 07:13:13,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 185 states have (on average 1.2324324324324325) internal successors, (228), 186 states have internal predecessors, (228), 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) [2025-03-17 07:13:13,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 405 transitions. [2025-03-17 07:13:13,898 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 405 transitions. Word has length 292 [2025-03-17 07:13:13,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:13,899 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 405 transitions. [2025-03-17 07:13:13,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (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) [2025-03-17 07:13:13,900 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 405 transitions. [2025-03-17 07:13:13,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2025-03-17 07:13:13,907 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:13,907 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] [2025-03-17 07:13:13,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 07:13:14,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 07:13:14,108 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:14,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:14,109 INFO L85 PathProgramCache]: Analyzing trace with hash -730967587, now seen corresponding path program 1 times [2025-03-17 07:13:14,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:14,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991040001] [2025-03-17 07:13:14,109 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:14,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:18,049 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-03-17 07:13:18,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-03-17 07:13:18,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:18,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:19,322 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2025-03-17 07:13:19,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:19,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991040001] [2025-03-17 07:13:19,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [991040001] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:19,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [678952302] [2025-03-17 07:13:19,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:19,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:19,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:19,324 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:13:19,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 07:13:23,814 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 292 statements into 1 equivalence classes. [2025-03-17 07:13:24,289 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 292 of 292 statements. [2025-03-17 07:13:24,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:24,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:24,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 5303 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 07:13:24,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:25,643 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2025-03-17 07:13:25,644 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:25,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [678952302] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:25,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:25,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2025-03-17 07:13:25,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714245733] [2025-03-17 07:13:25,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:25,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 07:13:25,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:25,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 07:13:25,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2025-03-17 07:13:25,648 INFO L87 Difference]: Start difference. First operand 299 states and 405 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-03-17 07:13:29,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:29,099 INFO L93 Difference]: Finished difference Result 309 states and 415 transitions. [2025-03-17 07:13:29,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 07:13:29,099 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 292 [2025-03-17 07:13:29,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:29,104 INFO L225 Difference]: With dead ends: 309 [2025-03-17 07:13:29,104 INFO L226 Difference]: Without dead ends: 307 [2025-03-17 07:13:29,104 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-17 07:13:29,105 INFO L435 NwaCegarLoop]: 377 mSDtfsCounter, 49 mSDsluCounter, 2098 mSDsCounter, 0 mSdLazyCounter, 292 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 2475 SdHoareTripleChecker+Invalid, 295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 292 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:29,105 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 2475 Invalid, 295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 292 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-17 07:13:29,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2025-03-17 07:13:29,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 304. [2025-03-17 07:13:29,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 188 states have (on average 1.2287234042553192) internal successors, (231), 190 states have internal predecessors, (231), 90 states have call successors, (90), 25 states have call predecessors, (90), 25 states have return successors, (89), 88 states have call predecessors, (89), 89 states have call successors, (89) [2025-03-17 07:13:29,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 410 transitions. [2025-03-17 07:13:29,137 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 410 transitions. Word has length 292 [2025-03-17 07:13:29,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:29,138 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 410 transitions. [2025-03-17 07:13:29,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 7 states have internal predecessors, (60), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-03-17 07:13:29,139 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 410 transitions. [2025-03-17 07:13:29,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2025-03-17 07:13:29,142 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:29,143 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, 1, 1, 1] [2025-03-17 07:13:29,162 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-17 07:13:29,343 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 [2025-03-17 07:13:29,343 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:29,344 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:29,344 INFO L85 PathProgramCache]: Analyzing trace with hash 1222181538, now seen corresponding path program 1 times [2025-03-17 07:13:29,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:29,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519563549] [2025-03-17 07:13:29,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:29,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:33,145 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 296 statements into 1 equivalence classes. [2025-03-17 07:13:33,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 296 of 296 statements. [2025-03-17 07:13:33,287 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:33,287 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:34,408 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2025-03-17 07:13:34,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:34,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519563549] [2025-03-17 07:13:34,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519563549] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:34,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171482408] [2025-03-17 07:13:34,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:34,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:34,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:34,414 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) [2025-03-17 07:13:34,415 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 07:13:39,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 296 statements into 1 equivalence classes. [2025-03-17 07:13:39,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 296 of 296 statements. [2025-03-17 07:13:39,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:39,747 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:39,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 5314 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 07:13:39,782 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2025-03-17 07:13:41,034 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:41,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171482408] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:41,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:41,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5] total 11 [2025-03-17 07:13:41,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83132602] [2025-03-17 07:13:41,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:41,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 07:13:41,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:41,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 07:13:41,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2025-03-17 07:13:41,036 INFO L87 Difference]: Start difference. First operand 304 states and 410 transitions. Second operand has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-03-17 07:13:44,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:13:44,498 INFO L93 Difference]: Finished difference Result 314 states and 420 transitions. [2025-03-17 07:13:44,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 07:13:44,499 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 296 [2025-03-17 07:13:44,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:13:44,504 INFO L225 Difference]: With dead ends: 314 [2025-03-17 07:13:44,504 INFO L226 Difference]: Without dead ends: 312 [2025-03-17 07:13:44,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 303 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2025-03-17 07:13:44,505 INFO L435 NwaCegarLoop]: 380 mSDtfsCounter, 49 mSDsluCounter, 2111 mSDsCounter, 0 mSdLazyCounter, 293 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 2491 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2025-03-17 07:13:44,505 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 2491 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 293 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2025-03-17 07:13:44,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2025-03-17 07:13:44,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 309. [2025-03-17 07:13:44,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 191 states have (on average 1.225130890052356) internal successors, (234), 194 states have internal predecessors, (234), 91 states have call successors, (91), 26 states have call predecessors, (91), 26 states have return successors, (90), 88 states have call predecessors, (90), 90 states have call successors, (90) [2025-03-17 07:13:44,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 415 transitions. [2025-03-17 07:13:44,523 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 415 transitions. Word has length 296 [2025-03-17 07:13:44,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:13:44,524 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 415 transitions. [2025-03-17 07:13:44,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.142857142857142) internal successors, (64), 7 states have internal predecessors, (64), 3 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2025-03-17 07:13:44,524 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 415 transitions. [2025-03-17 07:13:44,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2025-03-17 07:13:44,527 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:13:44,527 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 8, 8, 8, 8, 8, 8, 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] [2025-03-17 07:13:44,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 07:13:44,727 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 [2025-03-17 07:13:44,728 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:13:44,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:13:44,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1232420112, now seen corresponding path program 1 times [2025-03-17 07:13:44,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:13:44,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280002167] [2025-03-17 07:13:44,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:44,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:13:48,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 301 statements into 1 equivalence classes. [2025-03-17 07:13:48,594 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 301 of 301 statements. [2025-03-17 07:13:48,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:48,596 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 842 trivial. 0 not checked. [2025-03-17 07:13:49,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:13:49,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280002167] [2025-03-17 07:13:49,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280002167] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:13:49,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541647157] [2025-03-17 07:13:49,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:13:49,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:13:49,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:13:49,565 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:13:49,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 07:13:54,135 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 301 statements into 1 equivalence classes. [2025-03-17 07:13:54,654 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 301 of 301 statements. [2025-03-17 07:13:54,655 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:13:54,655 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:13:54,699 INFO L256 TraceCheckSpWp]: Trace formula consists of 5328 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-03-17 07:13:54,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:13:55,823 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 [2025-03-17 07:13:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2025-03-17 07:13:57,995 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:13:57,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541647157] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:13:57,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:13:57,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [5] total 15 [2025-03-17 07:13:57,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955073041] [2025-03-17 07:13:57,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:13:57,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-17 07:13:57,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:13:57,997 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-17 07:13:57,997 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2025-03-17 07:13:57,998 INFO L87 Difference]: Start difference. First operand 309 states and 415 transitions. Second operand has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (45), 3 states have call predecessors, (45), 5 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) [2025-03-17 07:14:14,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:14:14,088 INFO L93 Difference]: Finished difference Result 662 states and 908 transitions. [2025-03-17 07:14:14,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 07:14:14,088 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (45), 3 states have call predecessors, (45), 5 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) Word has length 301 [2025-03-17 07:14:14,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:14:14,092 INFO L225 Difference]: With dead ends: 662 [2025-03-17 07:14:14,092 INFO L226 Difference]: Without dead ends: 385 [2025-03-17 07:14:14,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 292 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=69, Invalid=351, Unknown=0, NotChecked=0, Total=420 [2025-03-17 07:14:14,095 INFO L435 NwaCegarLoop]: 414 mSDtfsCounter, 409 mSDsluCounter, 2499 mSDsCounter, 0 mSdLazyCounter, 1224 mSolverCounterSat, 81 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 481 SdHoareTripleChecker+Valid, 2913 SdHoareTripleChecker+Invalid, 1305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 81 IncrementalHoareTripleChecker+Valid, 1224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2025-03-17 07:14:14,096 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [481 Valid, 2913 Invalid, 1305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [81 Valid, 1224 Invalid, 0 Unknown, 0 Unchecked, 14.6s Time] [2025-03-17 07:14:14,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2025-03-17 07:14:14,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 381. [2025-03-17 07:14:14,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 238 states have (on average 1.2100840336134453) internal successors, (288), 242 states have internal predecessors, (288), 105 states have call successors, (105), 37 states have call predecessors, (105), 37 states have return successors, (119), 101 states have call predecessors, (119), 104 states have call successors, (119) [2025-03-17 07:14:14,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 512 transitions. [2025-03-17 07:14:14,130 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 512 transitions. Word has length 301 [2025-03-17 07:14:14,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:14:14,131 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 512 transitions. [2025-03-17 07:14:14,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 8.909090909090908) internal successors, (98), 9 states have internal predecessors, (98), 4 states have call successors, (45), 3 states have call predecessors, (45), 5 states have return successors, (44), 5 states have call predecessors, (44), 4 states have call successors, (44) [2025-03-17 07:14:14,132 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 512 transitions. [2025-03-17 07:14:14,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2025-03-17 07:14:14,134 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:14:14,135 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 8, 8, 8, 8, 8, 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, 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] [2025-03-17 07:14:14,157 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 07:14:14,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:14:14,335 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:14:14,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:14:14,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1710250960, now seen corresponding path program 1 times [2025-03-17 07:14:14,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:14:14,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107391976] [2025-03-17 07:14:14,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:14,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:14:18,109 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 301 statements into 1 equivalence classes. [2025-03-17 07:14:18,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 301 of 301 statements. [2025-03-17 07:14:18,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:18,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:19,023 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 842 trivial. 0 not checked. [2025-03-17 07:14:19,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:14:19,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107391976] [2025-03-17 07:14:19,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107391976] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:14:19,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640447721] [2025-03-17 07:14:19,023 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:14:19,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:14:19,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:14:19,025 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:14:19,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 07:14:23,651 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 301 statements into 1 equivalence classes. [2025-03-17 07:14:24,139 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 301 of 301 statements. [2025-03-17 07:14:24,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:14:24,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:14:24,163 INFO L256 TraceCheckSpWp]: Trace formula consists of 5318 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 07:14:24,172 INFO L279 TraceCheckSpWp]: Computing forward predicates...