./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 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_foreach_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 73d0fc2a1532f0dbe88956ef9fb1a19856bd3ec52801d3ed611d85534d86cd8d --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:54:30,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:54:30,481 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:54:30,485 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:54:30,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:54:30,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:54:30,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:54:30,500 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:54:30,501 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:54:30,501 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:54:30,501 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:54:30,501 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:54:30,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:54:30,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:54:30,501 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:54:30,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:54:30,501 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:54:30,501 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:54:30,501 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:54:30,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:54:30,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:54:30,502 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:54:30,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:54:30,502 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:54:30,502 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 -> 73d0fc2a1532f0dbe88956ef9fb1a19856bd3ec52801d3ed611d85534d86cd8d [2025-03-04 02:54:30,733 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:54:30,743 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:54:30,745 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:54:30,746 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:54:30,747 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:54:30,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i [2025-03-04 02:54:31,901 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2110fd4e/224007a45fa44f95955e45046abc9240/FLAG2aeaf2784 [2025-03-04 02:54:32,469 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:54:32,469 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i [2025-03-04 02:54:32,515 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2110fd4e/224007a45fa44f95955e45046abc9240/FLAG2aeaf2784 [2025-03-04 02:54:32,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2110fd4e/224007a45fa44f95955e45046abc9240 [2025-03-04 02:54:32,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:54:32,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:54:32,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:54:32,995 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:54:32,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:54:32,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:54:32" (1/1) ... [2025-03-04 02:54:32,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a2da20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:32, skipping insertion in model container [2025-03-04 02:54:32,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:54:32" (1/1) ... [2025-03-04 02:54:33,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:54:33,246 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_foreach_harness.i[4496,4509] [2025-03-04 02:54:33,253 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_foreach_harness.i[4556,4569] [2025-03-04 02:54:33,729 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:33,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:33,730 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:33,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:33,731 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:33,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:33,740 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:33,741 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:33,742 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:33,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:33,743 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:33,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:33,744 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,349 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,350 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,376 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,377 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,383 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,384 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,397 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,398 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,398 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,398 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,399 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,399 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,399 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,453 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_foreach_harness.i[227600,227613] [2025-03-04 02:54:34,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:54:34,476 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:54:34,488 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_foreach_harness.i[4496,4509] [2025-03-04 02:54:34,489 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_foreach_harness.i[4556,4569] [2025-03-04 02:54:34,518 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,519 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,519 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,519 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,520 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,525 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,529 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,529 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,530 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,531 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,531 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,589 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2025-03-04 02:54:34,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,644 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,650 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,651 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,652 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,659 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,660 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,661 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,662 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,663 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:34,681 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness.i[227600,227613] [2025-03-04 02:54:34,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:54:34,837 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:54:34,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34 WrapperNode [2025-03-04 02:54:34,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:54:34,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:54:34,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:54:34,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:54:34,843 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34" (1/1) ... [2025-03-04 02:54:34,923 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34" (1/1) ... [2025-03-04 02:54:34,983 INFO L138 Inliner]: procedures = 764, calls = 2430, calls flagged for inlining = 70, calls inlined = 18, statements flattened = 967 [2025-03-04 02:54:34,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:54:34,984 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:54:34,984 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:54:34,984 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:54:34,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34" (1/1) ... [2025-03-04 02:54:34,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34" (1/1) ... [2025-03-04 02:54:34,997 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34" (1/1) ... [2025-03-04 02:54:35,069 INFO L175 MemorySlicer]: Split 377 memory accesses to 7 slices as follows [2, 44, 249, 2, 2, 73, 5]. 66 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 0, 6, 0, 0, 9, 5]. The 257 writes are split as follows [0, 8, 233, 1, 1, 14, 0]. [2025-03-04 02:54:35,070 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34" (1/1) ... [2025-03-04 02:54:35,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34" (1/1) ... [2025-03-04 02:54:35,098 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34" (1/1) ... [2025-03-04 02:54:35,103 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34" (1/1) ... [2025-03-04 02:54:35,114 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34" (1/1) ... [2025-03-04 02:54:35,118 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34" (1/1) ... [2025-03-04 02:54:35,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:54:35,134 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:54:35,134 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:54:35,135 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:54:35,135 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34" (1/1) ... [2025-03-04 02:54:35,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:54:35,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:35,160 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) [2025-03-04 02:54:35,162 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 [2025-03-04 02:54:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-04 02:54:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-04 02:54:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-04 02:54:35,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:54:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:54:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:54:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-04 02:54:35,184 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:54:35,184 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:54:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-04 02:54:35,185 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-04 02:54:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:54:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:54:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:54:35,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:54:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:54:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:54:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:54:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 02:54:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 02:54:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:54:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:54:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:54:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:54:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:54:35,187 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:54:35,187 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 02:54:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-03-04 02:54:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-04 02:54:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 02:54:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 02:54:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 02:54:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 02:54:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 02:54:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 02:54:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:54:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_int [2025-03-04 02:54:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_int [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-03-04 02:54:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 02:54:35,188 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:54:35,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-04 02:54:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 02:54:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 02:54:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:54:35,189 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:54:35,189 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-03-04 02:54:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:54:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:54:35,190 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-04 02:54:35,190 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-04 02:54:35,489 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:54:35,491 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:54:35,525 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6947: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-04 02:54:35,530 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc #t~nondet5; [2025-03-04 02:54:35,550 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10103: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-04 02:54:35,641 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 02:54:35,643 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:54:35,741 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9990: havoc #t~mem1489.base, #t~mem1489.offset;havoc #t~short1490;havoc #t~mem1491.base, #t~mem1491.offset;havoc #t~ret1492;havoc #t~short1493; [2025-03-04 02:54:35,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9142-1: assume false; [2025-03-04 02:54:35,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9142-1: assume !false; [2025-03-04 02:54:35,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9640-1: assume false; [2025-03-04 02:54:35,817 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9640-1: assume !false; [2025-03-04 02:54:35,882 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7356: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-04 02:54:35,882 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7287: havoc nondet_compare_#t~ret677#1; [2025-03-04 02:54:35,882 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10116: havoc hash_table_foreach_proof_callback_#t~ret1533#1; [2025-03-04 02:54:35,921 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-04 02:54:35,931 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 02:54:41,029 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9825-1: assume false; [2025-03-04 02:54:41,029 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9825-1: assume !false; [2025-03-04 02:54:41,029 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9825-2: havoc aws_hash_iter_begin_#t~mem1400#1.base, aws_hash_iter_begin_#t~mem1400#1.offset;havoc aws_hash_iter_begin_#t~mem1401#1.base, aws_hash_iter_begin_#t~mem1401#1.offset;havoc aws_hash_iter_begin_#t~mem1402#1.base, aws_hash_iter_begin_#t~mem1402#1.offset;havoc aws_hash_iter_begin_#t~mem1403#1;havoc aws_hash_iter_begin_#t~mem1404#1;havoc aws_hash_iter_begin_#t~mem1405#1;havoc aws_hash_iter_begin_#t~mem1406#1;havoc aws_hash_iter_begin_#t~mem1407#1.base, aws_hash_iter_begin_#t~mem1407#1.offset;havoc aws_hash_iter_begin_#t~mem1408#1.base, aws_hash_iter_begin_#t~mem1408#1.offset; [2025-03-04 02:54:41,156 INFO L? ?]: Removed 285 outVars from TransFormulas that were not future-live. [2025-03-04 02:54:41,156 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:54:41,177 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:54:41,178 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:54:41,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:54:41 BoogieIcfgContainer [2025-03-04 02:54:41,178 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:54:41,180 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:54:41,180 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:54:41,183 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:54:41,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:54:32" (1/3) ... [2025-03-04 02:54:41,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62cd4138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:54:41, skipping insertion in model container [2025-03-04 02:54:41,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:34" (2/3) ... [2025-03-04 02:54:41,184 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62cd4138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:54:41, skipping insertion in model container [2025-03-04 02:54:41,184 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:54:41" (3/3) ... [2025-03-04 02:54:41,185 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_foreach_harness.i [2025-03-04 02:54:41,195 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:54:41,196 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_foreach_harness.i that has 29 procedures, 325 locations, 1 initial locations, 15 loop locations, and 1 error locations. [2025-03-04 02:54:41,247 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:54:41,255 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;@74882f6a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:54:41,257 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:54:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand has 305 states, 203 states have (on average 1.2857142857142858) internal successors, (261), 200 states have internal predecessors, (261), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2025-03-04 02:54:41,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-04 02:54:41,272 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:41,272 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:54:41,273 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:41,277 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:41,277 INFO L85 PathProgramCache]: Analyzing trace with hash -169720097, now seen corresponding path program 1 times [2025-03-04 02:54:41,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:41,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207381301] [2025-03-04 02:54:41,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:41,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:54:45,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-04 02:54:45,883 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-04 02:54:45,883 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:45,883 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:46,299 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-03-04 02:54:46,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:54:46,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207381301] [2025-03-04 02:54:46,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207381301] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:54:46,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662295217] [2025-03-04 02:54:46,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:46,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:54:46,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:46,303 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) [2025-03-04 02:54:46,304 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-04 02:54:50,486 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-04 02:54:50,944 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-04 02:54:50,944 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:50,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:50,964 INFO L256 TraceCheckSpWp]: Trace formula consists of 4359 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 02:54:50,971 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:54:50,983 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2025-03-04 02:54:50,983 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:54:50,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662295217] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:54:50,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:54:50,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 02:54:50,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408417281] [2025-03-04 02:54:50,987 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:54:50,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 02:54:50,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:54:51,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 02:54:51,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:54:51,006 INFO L87 Difference]: Start difference. First operand has 305 states, 203 states have (on average 1.2857142857142858) internal successors, (261), 200 states have internal predecessors, (261), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-04 02:54:51,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:54:51,094 INFO L93 Difference]: Finished difference Result 601 states and 899 transitions. [2025-03-04 02:54:51,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 02:54:51,096 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 121 [2025-03-04 02:54:51,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:54:51,103 INFO L225 Difference]: With dead ends: 601 [2025-03-04 02:54:51,103 INFO L226 Difference]: Without dead ends: 299 [2025-03-04 02:54:51,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:54:51,111 INFO L435 NwaCegarLoop]: 406 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, 406 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 [2025-03-04 02:54:51,112 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 406 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-04 02:54:51,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2025-03-04 02:54:51,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2025-03-04 02:54:51,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 194 states have (on average 1.2577319587628866) internal successors, (244), 195 states have internal predecessors, (244), 81 states have call successors, (81), 23 states have call predecessors, (81), 23 states have return successors, (80), 80 states have call predecessors, (80), 80 states have call successors, (80) [2025-03-04 02:54:51,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 405 transitions. [2025-03-04 02:54:51,164 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 405 transitions. Word has length 121 [2025-03-04 02:54:51,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:54:51,165 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 405 transitions. [2025-03-04 02:54:51,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2025-03-04 02:54:51,166 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 405 transitions. [2025-03-04 02:54:51,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-04 02:54:51,168 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:51,169 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:54:51,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-04 02:54:51,370 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 [2025-03-04 02:54:51,370 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:51,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:51,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1278916834, now seen corresponding path program 1 times [2025-03-04 02:54:51,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:51,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602453050] [2025-03-04 02:54:51,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:51,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:54:54,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-04 02:54:54,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-04 02:54:54,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:54:54,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:54:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2025-03-04 02:54:56,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:54:56,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602453050] [2025-03-04 02:54:56,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1602453050] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:54:56,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 02:54:56,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 02:54:56,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970128308] [2025-03-04 02:54:56,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:54:56,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 02:54:56,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:54:56,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 02:54:56,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 02:54:56,051 INFO L87 Difference]: Start difference. First operand 299 states and 405 transitions. Second operand has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-04 02:54:56,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:54:56,391 INFO L93 Difference]: Finished difference Result 558 states and 763 transitions. [2025-03-04 02:54:56,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 02:54:56,391 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) Word has length 127 [2025-03-04 02:54:56,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:54:56,394 INFO L225 Difference]: With dead ends: 558 [2025-03-04 02:54:56,395 INFO L226 Difference]: Without dead ends: 304 [2025-03-04 02:54:56,396 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 02:54:56,397 INFO L435 NwaCegarLoop]: 398 mSDtfsCounter, 0 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1588 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-04 02:54:56,397 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1588 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-04 02:54:56,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2025-03-04 02:54:56,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2025-03-04 02:54:56,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 198 states have (on average 1.2525252525252526) internal successors, (248), 199 states have internal predecessors, (248), 81 states have call successors, (81), 23 states have call predecessors, (81), 24 states have return successors, (81), 81 states have call predecessors, (81), 80 states have call successors, (81) [2025-03-04 02:54:56,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 410 transitions. [2025-03-04 02:54:56,422 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 410 transitions. Word has length 127 [2025-03-04 02:54:56,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:54:56,424 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 410 transitions. [2025-03-04 02:54:56,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.8) internal successors, (54), 5 states have internal predecessors, (54), 2 states have call successors, (21), 2 states have call predecessors, (21), 3 states have return successors, (19), 3 states have call predecessors, (19), 2 states have call successors, (19) [2025-03-04 02:54:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 410 transitions. [2025-03-04 02:54:56,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-04 02:54:56,426 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:56,427 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:54:56,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 02:54:56,427 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:56,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:56,427 INFO L85 PathProgramCache]: Analyzing trace with hash 915427391, now seen corresponding path program 1 times [2025-03-04 02:54:56,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:56,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683585322] [2025-03-04 02:54:56,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:56,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:55:00,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-04 02:55:00,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-04 02:55:00,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:00,161 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:03,683 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-03-04 02:55:03,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:55:03,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683585322] [2025-03-04 02:55:03,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683585322] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:55:03,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965710133] [2025-03-04 02:55:03,684 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:03,684 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:03,684 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:55:03,686 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) [2025-03-04 02:55:03,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-04 02:55:07,973 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-04 02:55:08,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-04 02:55:08,382 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:08,382 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:08,405 INFO L256 TraceCheckSpWp]: Trace formula consists of 4388 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 02:55:08,412 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:55:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-03-04 02:55:11,639 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 02:55:15,232 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2025-03-04 02:55:15,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965710133] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-04 02:55:15,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-04 02:55:15,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 8] total 21 [2025-03-04 02:55:15,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322607133] [2025-03-04 02:55:15,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:55:15,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 02:55:15,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:55:15,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 02:55:15,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-04 02:55:15,234 INFO L87 Difference]: Start difference. First operand 304 states and 410 transitions. Second operand has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 5 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2025-03-04 02:55:18,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:55:18,507 INFO L93 Difference]: Finished difference Result 551 states and 770 transitions. [2025-03-04 02:55:18,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 02:55:18,508 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 5 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) Word has length 133 [2025-03-04 02:55:18,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:55:18,512 INFO L225 Difference]: With dead ends: 551 [2025-03-04 02:55:18,512 INFO L226 Difference]: Without dead ends: 325 [2025-03-04 02:55:18,513 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2025-03-04 02:55:18,514 INFO L435 NwaCegarLoop]: 363 mSDtfsCounter, 432 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 1808 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-04 02:55:18,514 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 1808 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-04 02:55:18,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2025-03-04 02:55:18,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 319. [2025-03-04 02:55:18,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 206 states have (on average 1.2524271844660195) internal successors, (258), 208 states have internal predecessors, (258), 86 states have call successors, (86), 24 states have call predecessors, (86), 26 states have return successors, (93), 86 states have call predecessors, (93), 85 states have call successors, (93) [2025-03-04 02:55:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 437 transitions. [2025-03-04 02:55:18,538 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 437 transitions. Word has length 133 [2025-03-04 02:55:18,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:55:18,539 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 437 transitions. [2025-03-04 02:55:18,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 5 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 5 states have call predecessors, (20), 4 states have call successors, (20) [2025-03-04 02:55:18,539 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 437 transitions. [2025-03-04 02:55:18,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-04 02:55:18,540 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:55:18,541 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-04 02:55:18,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-03-04 02:55:18,741 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,SelfDestructingSolverStorable2 [2025-03-04 02:55:18,741 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:55:18,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:55:18,742 INFO L85 PathProgramCache]: Analyzing trace with hash 955325585, now seen corresponding path program 1 times [2025-03-04 02:55:18,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:55:18,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766458483] [2025-03-04 02:55:18,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:18,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:55:22,222 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-04 02:55:22,303 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-04 02:55:22,303 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:22,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:25,343 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-03-04 02:55:25,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:55:25,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766458483] [2025-03-04 02:55:25,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766458483] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:55:25,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943225860] [2025-03-04 02:55:25,343 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:25,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:25,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:55:25,345 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) [2025-03-04 02:55:25,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-04 02:55:29,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-04 02:55:29,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-04 02:55:29,828 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:29,828 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:29,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 4393 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-03-04 02:55:29,861 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:55:31,176 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 22 treesize of output 1 [2025-03-04 02:55:34,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 11 [2025-03-04 02:55:36,040 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2025-03-04 02:55:36,040 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:55:36,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943225860] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:55:36,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:55:36,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10] total 21 [2025-03-04 02:55:36,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471936218] [2025-03-04 02:55:36,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:55:36,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-04 02:55:36,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:55:36,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-04 02:55:36,042 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2025-03-04 02:55:36,042 INFO L87 Difference]: Start difference. First operand 319 states and 437 transitions. Second operand has 13 states, 12 states have (on average 5.666666666666667) internal successors, (68), 12 states have internal predecessors, (68), 7 states have call successors, (22), 4 states have call predecessors, (22), 3 states have return successors, (20), 6 states have call predecessors, (20), 5 states have call successors, (20) [2025-03-04 02:55:40,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 02:55:44,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 02:55:48,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 02:55:53,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 02:55:57,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 02:56:01,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 02:56:06,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]