./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.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_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 2e69d0ba5182ea14058c8293e8c1aea9ca71843fb723868a6419c81ddb81574e --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:54:45,149 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:54:45,209 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:54:45,216 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:54:45,216 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:54:45,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:54:45,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:54:45,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:54:45,236 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:54:45,236 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:54:45,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:54:45,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:54:45,237 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:54:45,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:54:45,237 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:54:45,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:54:45,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:54:45,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:54:45,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:54:45,238 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:54:45,238 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:54:45,238 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:54:45,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:54:45,238 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:54:45,238 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:54:45,238 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:54:45,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:54:45,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:54:45,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:54:45,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:54:45,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:54:45,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:54:45,239 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:54:45,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:54:45,239 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:54:45,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:54:45,240 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:54:45,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:54:45,240 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:54:45,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:54:45,240 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 -> 2e69d0ba5182ea14058c8293e8c1aea9ca71843fb723868a6419c81ddb81574e [2025-03-04 02:54:45,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:54:45,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:54:45,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:54:45,468 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:54:45,468 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:54:45,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i [2025-03-04 02:54:46,658 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d3f02e9/40c66f75c9854a909686659b2d099a8f/FLAG39ba0fc13 [2025-03-04 02:54:47,135 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:54:47,136 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_table_foreach_harness_negated.i [2025-03-04 02:54:47,176 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d3f02e9/40c66f75c9854a909686659b2d099a8f/FLAG39ba0fc13 [2025-03-04 02:54:47,193 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/57d3f02e9/40c66f75c9854a909686659b2d099a8f [2025-03-04 02:54:47,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:54:47,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:54:47,198 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:54:47,198 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:54:47,201 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:54:47,202 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:54:47" (1/1) ... [2025-03-04 02:54:47,203 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0bfa13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:47, skipping insertion in model container [2025-03-04 02:54:47,203 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:54:47" (1/1) ... [2025-03-04 02:54:47,290 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:54:47,523 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_negated.i[4496,4509] [2025-03-04 02:54:47,533 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_negated.i[4556,4569] [2025-03-04 02:54:48,600 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:48,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:48,601 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:48,602 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:48,603 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:48,611 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:48,612 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:48,613 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:48,614 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:48,615 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:48,616 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:48,616 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:48,616 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,406 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,424 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,425 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,430 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,430 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,441 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,442 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,443 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,503 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_negated.i[227893,227906] [2025-03-04 02:54:49,505 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:54:49,532 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:54:49,544 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_negated.i[4496,4509] [2025-03-04 02:54:49,545 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_negated.i[4556,4569] [2025-03-04 02:54:49,572 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,573 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,573 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,573 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,574 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,581 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,582 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,583 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,584 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,632 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2025-03-04 02:54:49,681 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,683 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,688 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,690 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,690 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,698 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,699 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,700 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:54:49,712 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_negated.i[227893,227906] [2025-03-04 02:54:49,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:54:49,896 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:54:49,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49 WrapperNode [2025-03-04 02:54:49,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:54:49,899 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:54:49,899 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:54:49,899 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:54:49,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49" (1/1) ... [2025-03-04 02:54:49,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49" (1/1) ... [2025-03-04 02:54:50,027 INFO L138 Inliner]: procedures = 764, calls = 2430, calls flagged for inlining = 70, calls inlined = 18, statements flattened = 967 [2025-03-04 02:54:50,028 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:54:50,028 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:54:50,028 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:54:50,028 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:54:50,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49" (1/1) ... [2025-03-04 02:54:50,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49" (1/1) ... [2025-03-04 02:54:50,042 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49" (1/1) ... [2025-03-04 02:54:50,115 INFO L175 MemorySlicer]: Split 377 memory accesses to 7 slices as follows [2, 73, 2, 249, 44, 2, 5]. 66 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 9, 0, 6, 0, 0, 5]. The 257 writes are split as follows [0, 14, 1, 233, 8, 1, 0]. [2025-03-04 02:54:50,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49" (1/1) ... [2025-03-04 02:54:50,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49" (1/1) ... [2025-03-04 02:54:50,153 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49" (1/1) ... [2025-03-04 02:54:50,156 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49" (1/1) ... [2025-03-04 02:54:50,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49" (1/1) ... [2025-03-04 02:54:50,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49" (1/1) ... [2025-03-04 02:54:50,189 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:54:50,193 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:54:50,193 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:54:50,193 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:54:50,194 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49" (1/1) ... [2025-03-04 02:54:50,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:54:50,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:54:50,220 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 02:54:50,222 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 02:54:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-03-04 02:54:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-03-04 02:54:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-03-04 02:54:50,239 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-03-04 02:54:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-03-04 02:54:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-03-04 02:54:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-03-04 02:54:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:54:50,240 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_equals [2025-03-04 02:54:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:54:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:54:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:54:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:54:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:54:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:54:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:54:50,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:54:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:54:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:54:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:54:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:54:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:54:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:54:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:54:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-04 02:54:50,241 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-04 02:54:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:54:50,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:54:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2025-03-04 02:54:50,241 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2025-03-04 02:54:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:54:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:54:50,241 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2025-03-04 02:54:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2025-03-04 02:54:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:54:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:54:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:54:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:54:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:54:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:54:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:54:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 02:54:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-03-04 02:54:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:54:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_uninterpreted_hasher [2025-03-04 02:54:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:54:50,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:54:50,242 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:54:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:54:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-04 02:54:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-04 02:54:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:54:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:54:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:54:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:54:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:54:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:54:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:54:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2025-03-04 02:54:50,243 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2025-03-04 02:54:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2025-03-04 02:54:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2025-03-04 02:54:50,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2025-03-04 02:54:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2025-03-04 02:54:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2025-03-04 02:54:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2025-03-04 02:54:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2025-03-04 02:54:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2025-03-04 02:54:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2025-03-04 02:54:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2025-03-04 02:54:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2025-03-04 02:54:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2025-03-04 02:54:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2025-03-04 02:54:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2025-03-04 02:54:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:54:50,244 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:54:50,244 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_int [2025-03-04 02:54:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_int [2025-03-04 02:54:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:54:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2025-03-04 02:54:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2025-03-04 02:54:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2025-03-04 02:54:50,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2025-03-04 02:54:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:54:50,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2025-03-04 02:54:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-04 02:54:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2025-03-04 02:54:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:54:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2025-03-04 02:54:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:54:50,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2025-03-04 02:54:50,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:54:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:54:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:54:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:54:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:54:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:54:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:54:50,247 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2025-03-04 02:54:50,247 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2025-03-04 02:54:50,582 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:54:50,584 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:54:50,627 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6935: havoc #t~malloc588.base, #t~malloc588.offset; [2025-03-04 02:54:50,633 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L262: havoc #t~nondet5; [2025-03-04 02:54:50,655 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10069: call ULTIMATE.dealloc(~#elemsize~0.base, ~#elemsize~0.offset);havoc ~#elemsize~0.base, ~#elemsize~0.offset; [2025-03-04 02:54:50,766 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2025-03-04 02:54:50,769 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:54:50,860 INFO L1325 $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; [2025-03-04 02:54:50,944 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9110-1: assume false; [2025-03-04 02:54:50,944 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9110-1: assume !false; [2025-03-04 02:54:50,944 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9606-1: assume false; [2025-03-04 02:54:50,944 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9606-1: assume !false; [2025-03-04 02:54:51,016 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L10082: havoc hash_table_foreach_proof_callback_#t~ret1533#1; [2025-03-04 02:54:51,016 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7328: havoc uninterpreted_equals_assert_inputs_nonnull_#t~ret687#1; [2025-03-04 02:54:51,016 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7271: havoc nondet_compare_#t~ret677#1; [2025-03-04 02:54:51,049 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2630: havoc #t~bitwise60;havoc #t~short61; [2025-03-04 02:54:51,057 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2025-03-04 02:54:56,185 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-2: 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 02:54:56,185 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-1: assume false; [2025-03-04 02:54:56,185 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L9791-1: assume !false; [2025-03-04 02:54:56,281 INFO L? ?]: Removed 285 outVars from TransFormulas that were not future-live. [2025-03-04 02:54:56,282 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:54:56,304 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:54:56,304 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:54:56,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:54:56 BoogieIcfgContainer [2025-03-04 02:54:56,305 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:54:56,310 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:54:56,310 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:54:56,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:54:56,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:54:47" (1/3) ... [2025-03-04 02:54:56,314 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233fc57c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:54:56, skipping insertion in model container [2025-03-04 02:54:56,314 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:54:49" (2/3) ... [2025-03-04 02:54:56,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233fc57c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:54:56, skipping insertion in model container [2025-03-04 02:54:56,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:54:56" (3/3) ... [2025-03-04 02:54:56,316 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_hash_table_foreach_harness_negated.i [2025-03-04 02:54:56,326 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:54:56,328 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_hash_table_foreach_harness_negated.i that has 29 procedures, 325 locations, 1 initial locations, 15 loop locations, and 1 error locations. [2025-03-04 02:54:56,377 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:54:56,389 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;@155adf41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:54:56,390 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:54:56,395 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 02:54:56,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-04 02:54:56,404 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:54:56,404 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 02:54:56,405 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:54:56,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:54:56,409 INFO L85 PathProgramCache]: Analyzing trace with hash -169720097, now seen corresponding path program 1 times [2025-03-04 02:54:56,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:54:56,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294796890] [2025-03-04 02:54:56,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:54:56,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:55:00,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-04 02:55:01,044 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-04 02:55:01,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:01,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:01,562 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 02:55:01,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:55:01,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294796890] [2025-03-04 02:55:01,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294796890] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:55:01,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530724619] [2025-03-04 02:55:01,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:01,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:01,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:55:01,568 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 02:55:01,570 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 02:55:05,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-04 02:55:06,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-04 02:55:06,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:06,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:06,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 4359 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-04 02:55:06,211 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:55:06,224 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 02:55:06,226 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:55:06,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530724619] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:55:06,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:55:06,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-04 02:55:06,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568878482] [2025-03-04 02:55:06,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:55:06,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-04 02:55:06,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:55:06,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-04 02:55:06,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-04 02:55:06,250 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 02:55:06,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:55:06,343 INFO L93 Difference]: Finished difference Result 601 states and 899 transitions. [2025-03-04 02:55:06,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-04 02:55:06,346 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 02:55:06,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:55:06,352 INFO L225 Difference]: With dead ends: 601 [2025-03-04 02:55:06,352 INFO L226 Difference]: Without dead ends: 299 [2025-03-04 02:55:06,356 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 02:55:06,358 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 02:55:06,358 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 02:55:06,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2025-03-04 02:55:06,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2025-03-04 02:55:06,404 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 02:55:06,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 405 transitions. [2025-03-04 02:55:06,410 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 405 transitions. Word has length 121 [2025-03-04 02:55:06,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:55:06,411 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 405 transitions. [2025-03-04 02:55:06,413 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 02:55:06,413 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 405 transitions. [2025-03-04 02:55:06,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2025-03-04 02:55:06,418 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:55:06,419 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 02:55:06,436 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 02:55:06,619 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 02:55:06,620 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:55:06,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:55:06,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1685184598, now seen corresponding path program 1 times [2025-03-04 02:55:06,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:55:06,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994603642] [2025-03-04 02:55:06,621 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:06,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:55:10,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 127 statements into 1 equivalence classes. [2025-03-04 02:55:10,664 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 127 of 127 statements. [2025-03-04 02:55:10,664 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:10,665 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:11,686 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 02:55:11,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:55:11,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994603642] [2025-03-04 02:55:11,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994603642] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:55:11,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-04 02:55:11,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-04 02:55:11,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208253904] [2025-03-04 02:55:11,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:55:11,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-04 02:55:11,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:55:11,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-04 02:55:11,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-04 02:55:11,690 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 02:55:11,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:55:11,996 INFO L93 Difference]: Finished difference Result 558 states and 763 transitions. [2025-03-04 02:55:11,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-04 02:55:11,997 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 02:55:11,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:55:12,000 INFO L225 Difference]: With dead ends: 558 [2025-03-04 02:55:12,000 INFO L226 Difference]: Without dead ends: 304 [2025-03-04 02:55:12,001 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 02:55:12,001 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 02:55:12,001 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 02:55:12,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2025-03-04 02:55:12,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2025-03-04 02:55:12,024 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 02:55:12,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 410 transitions. [2025-03-04 02:55:12,028 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 410 transitions. Word has length 127 [2025-03-04 02:55:12,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:55:12,030 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 410 transitions. [2025-03-04 02:55:12,031 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 02:55:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 410 transitions. [2025-03-04 02:55:12,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-03-04 02:55:12,032 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:55:12,032 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 02:55:12,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-04 02:55:12,033 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:55:12,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:55:12,033 INFO L85 PathProgramCache]: Analyzing trace with hash 509159627, now seen corresponding path program 1 times [2025-03-04 02:55:12,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:55:12,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1479220722] [2025-03-04 02:55:12,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:12,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:55:15,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-04 02:55:15,762 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-04 02:55:15,762 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:15,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:19,402 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 02:55:19,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:55:19,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1479220722] [2025-03-04 02:55:19,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1479220722] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:55:19,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [894658583] [2025-03-04 02:55:19,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:19,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:19,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:55:19,405 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 02:55:19,406 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 02:55:23,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-03-04 02:55:23,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-03-04 02:55:23,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:23,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:23,818 INFO L256 TraceCheckSpWp]: Trace formula consists of 4388 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-04 02:55:23,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:55:26,912 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 02:55:26,912 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-04 02:55:30,223 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 02:55:30,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [894658583] provided 1 perfect and 1 imperfect interpolant sequences [2025-03-04 02:55:30,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-03-04 02:55:30,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 8] total 21 [2025-03-04 02:55:30,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283853991] [2025-03-04 02:55:30,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:55:30,224 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-04 02:55:30,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:55:30,224 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-04 02:55:30,224 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=372, Unknown=0, NotChecked=0, Total=420 [2025-03-04 02:55:30,225 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 02:55:33,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-04 02:55:33,399 INFO L93 Difference]: Finished difference Result 551 states and 770 transitions. [2025-03-04 02:55:33,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-04 02:55:33,400 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 02:55:33,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-04 02:55:33,403 INFO L225 Difference]: With dead ends: 551 [2025-03-04 02:55:33,403 INFO L226 Difference]: Without dead ends: 325 [2025-03-04 02:55:33,404 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 254 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2025-03-04 02:55:33,405 INFO L435 NwaCegarLoop]: 363 mSDtfsCounter, 432 mSDsluCounter, 1445 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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 02:55:33,405 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 02:55:33,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2025-03-04 02:55:33,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 319. [2025-03-04 02:55:33,423 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 02:55:33,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 437 transitions. [2025-03-04 02:55:33,426 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 437 transitions. Word has length 133 [2025-03-04 02:55:33,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-04 02:55:33,426 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 437 transitions. [2025-03-04 02:55:33,426 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 02:55:33,426 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 437 transitions. [2025-03-04 02:55:33,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2025-03-04 02:55:33,428 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:55:33,428 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 02:55:33,445 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 02:55:33,628 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 02:55:33,629 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:55:33,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:55:33,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1245926789, now seen corresponding path program 1 times [2025-03-04 02:55:33,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:55:33,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47913873] [2025-03-04 02:55:33,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:33,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:55:37,399 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-04 02:55:37,499 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-04 02:55:37,499 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:37,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:40,645 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 02:55:40,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:55:40,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47913873] [2025-03-04 02:55:40,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47913873] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:55:40,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986224886] [2025-03-04 02:55:40,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:55:40,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:55:40,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:55:40,648 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 02:55:40,649 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 02:55:44,774 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 134 statements into 1 equivalence classes. [2025-03-04 02:55:45,182 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 134 of 134 statements. [2025-03-04 02:55:45,182 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:55:45,182 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:55:45,204 INFO L256 TraceCheckSpWp]: Trace formula consists of 4393 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-03-04 02:55:45,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-04 02:55:45,766 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 [2025-03-04 02:55:48,633 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 02:55:48,685 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 02:55:50,129 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2025-03-04 02:55:50,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2025-03-04 02:55:52,184 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-03-04 02:55:52,185 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-04 02:55:52,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986224886] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-04 02:55:52,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-04 02:55:52,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [10] total 22 [2025-03-04 02:55:52,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250625906] [2025-03-04 02:55:52,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-04 02:55:52,185 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-04 02:55:52,185 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-04 02:55:52,186 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-04 02:55:52,186 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2025-03-04 02:55:52,186 INFO L87 Difference]: Start difference. First operand 319 states and 437 transitions. Second operand has 18 states, 16 states have (on average 4.625) internal successors, (74), 16 states have internal predecessors, (74), 9 states have call successors, (22), 5 states have call predecessors, (22), 6 states have return successors, (20), 8 states have call predecessors, (20), 8 states have call successors, (20) [2025-03-04 02:55:56,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 02:56:00,619 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-04 02:56:04,995 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 02:56:09,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 02:56:13,926 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-04 02:56:18,429 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 []