./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 175c9418701070e8128f8ed008fd30685ed8c019e1010acc82e904c5730ef842 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 01:55:27,911 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 01:55:27,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-02-08 01:55:27,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 01:55:27,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 01:55:28,000 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 01:55:28,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 01:55:28,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 01:55:28,002 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 01:55:28,002 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 01:55:28,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 01:55:28,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 01:55:28,003 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 01:55:28,003 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 01:55:28,003 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 01:55:28,003 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 01:55:28,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 01:55:28,003 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 01:55:28,004 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 01:55:28,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 01:55:28,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 01:55:28,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 01:55:28,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 01:55:28,004 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 01:55:28,004 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 01:55:28,004 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 01:55:28,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 01:55:28,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 01:55:28,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 01:55:28,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:55:28,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 01:55:28,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 01:55:28,005 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 01:55:28,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 01:55:28,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 01:55:28,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 01:55:28,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 01:55:28,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 01:55:28,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 01:55:28,006 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 01:55:28,006 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 175c9418701070e8128f8ed008fd30685ed8c019e1010acc82e904c5730ef842 [2025-02-08 01:55:28,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 01:55:28,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 01:55:28,237 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 01:55:28,239 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 01:55:28,239 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 01:55:28,240 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i [2025-02-08 01:55:29,350 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67b4bc466/77d6b5bea7e844e590f46877ed014471/FLAGa1b7c2726 [2025-02-08 01:55:29,750 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 01:55:29,751 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i [2025-02-08 01:55:29,782 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67b4bc466/77d6b5bea7e844e590f46877ed014471/FLAGa1b7c2726 [2025-02-08 01:55:29,798 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/67b4bc466/77d6b5bea7e844e590f46877ed014471 [2025-02-08 01:55:29,800 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 01:55:29,802 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 01:55:29,803 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 01:55:29,803 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 01:55:29,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 01:55:29,808 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:55:29" (1/1) ... [2025-02-08 01:55:29,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8e8ea31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:29, skipping insertion in model container [2025-02-08 01:55:29,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:55:29" (1/1) ... [2025-02-08 01:55:29,857 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 01:55:30,039 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4505,4518] [2025-02-08 01:55:30,045 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4565,4578] [2025-02-08 01:55:30,618 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:30,619 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:30,620 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:30,620 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:30,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:30,632 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:30,633 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:30,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:30,634 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:30,994 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:30,995 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:31,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:55:31,054 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 01:55:31,070 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4505,4518] [2025-02-08 01:55:31,070 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i[4565,4578] [2025-02-08 01:55:31,114 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:31,115 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:31,115 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:31,115 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:31,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:31,121 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:31,122 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:31,122 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:31,124 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:31,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:31,225 WARN L1731 CHandler]: Possible shadowing of function index [2025-02-08 01:55:31,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2025-02-08 01:55:31,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 01:55:31,407 INFO L204 MainTranslator]: Completed translation [2025-02-08 01:55:31,408 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31 WrapperNode [2025-02-08 01:55:31,408 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 01:55:31,409 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 01:55:31,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 01:55:31,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 01:55:31,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31" (1/1) ... [2025-02-08 01:55:31,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31" (1/1) ... [2025-02-08 01:55:31,510 INFO L138 Inliner]: procedures = 678, calls = 1530, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 763 [2025-02-08 01:55:31,510 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 01:55:31,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 01:55:31,511 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 01:55:31,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 01:55:31,519 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31" (1/1) ... [2025-02-08 01:55:31,519 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31" (1/1) ... [2025-02-08 01:55:31,530 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31" (1/1) ... [2025-02-08 01:55:31,581 INFO L175 MemorySlicer]: Split 301 memory accesses to 5 slices as follows [2, 238, 8, 48, 5]. 79 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 2, 0, 5]. The 252 writes are split as follows [0, 232, 1, 19, 0]. [2025-02-08 01:55:31,582 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31" (1/1) ... [2025-02-08 01:55:31,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31" (1/1) ... [2025-02-08 01:55:31,600 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31" (1/1) ... [2025-02-08 01:55:31,606 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31" (1/1) ... [2025-02-08 01:55:31,614 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31" (1/1) ... [2025-02-08 01:55:31,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31" (1/1) ... [2025-02-08 01:55:31,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 01:55:31,632 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 01:55:31,635 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 01:55:31,636 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 01:55:31,639 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31" (1/1) ... [2025-02-08 01:55:31,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 01:55:31,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:55:31,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 01:55:31,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 01:55:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-02-08 01:55:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-02-08 01:55:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 01:55:31,696 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-02-08 01:55:31,696 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-02-08 01:55:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-02-08 01:55:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-02-08 01:55:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 01:55:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 01:55:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-02-08 01:55:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-02-08 01:55:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-02-08 01:55:31,697 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-02-08 01:55:31,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-02-08 01:55:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-02-08 01:55:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 01:55:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-02-08 01:55:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-02-08 01:55:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-02-08 01:55:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-02-08 01:55:31,698 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-02-08 01:55:31,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 01:55:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 01:55:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 01:55:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-08 01:55:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-08 01:55:31,948 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 01:55:31,949 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 01:55:31,992 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2025-02-08 01:55:31,994 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-02-08 01:55:32,018 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2025-02-08 01:55:32,042 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc #t~ret81;havoc #t~ite83.base, #t~ite83.offset;havoc #t~ret82.base, #t~ret82.offset; [2025-02-08 01:55:32,047 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7309: havoc #t~ret656.base, #t~ret656.offset; [2025-02-08 01:55:32,098 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L7462: havoc aws_priority_queue_backpointers_valid_#t~ret686#1;havoc aws_priority_queue_backpointers_valid_#t~short687#1; [2025-02-08 01:55:32,142 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2025-02-08 01:55:32,145 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-02-08 01:55:32,152 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L2821: havoc #t~ret89.base, #t~ret89.offset; [2025-02-08 01:55:37,384 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3208: aws_array_list_init_dynamic_#t~ret118#1.base, aws_array_list_init_dynamic_#t~ret118#1.offset := aws_mem_acquire_#res#1.base, aws_mem_acquire_#res#1.offset;havoc aws_mem_acquire_#t~ret90#1, aws_mem_acquire_#t~ret91#1.base, aws_mem_acquire_#t~ret91#1.offset, aws_mem_acquire_#t~ret92#1, aws_mem_acquire_~allocator#1.base, aws_mem_acquire_~allocator#1.offset, aws_mem_acquire_~size#1, aws_mem_acquire_~mem~0#1.base, aws_mem_acquire_~mem~0#1.offset;havoc aws_mem_acquire_#in~allocator#1.base, aws_mem_acquire_#in~allocator#1.offset, aws_mem_acquire_#in~size#1;assume { :end_inline_aws_mem_acquire } true;call write~$Pointer$#3(aws_array_list_init_dynamic_#t~ret118#1.base, aws_array_list_init_dynamic_#t~ret118#1.offset, aws_array_list_init_dynamic_~list#1.base, 32 + aws_array_list_init_dynamic_~list#1.offset, 8);havoc aws_array_list_init_dynamic_#t~mem117#1;havoc aws_array_list_init_dynamic_#t~ret118#1.base, aws_array_list_init_dynamic_#t~ret118#1.offset;call aws_array_list_init_dynamic_#t~mem119#1.base, aws_array_list_init_dynamic_#t~mem119#1.offset := read~$Pointer$#3(aws_array_list_init_dynamic_~list#1.base, 32 + aws_array_list_init_dynamic_~list#1.offset, 8); [2025-02-08 01:55:37,384 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3209: assume aws_array_list_init_dynamic_#t~mem119#1.base == 0 && aws_array_list_init_dynamic_#t~mem119#1.offset == 0;havoc aws_array_list_init_dynamic_#t~mem119#1.base, aws_array_list_init_dynamic_#t~mem119#1.offset; [2025-02-08 01:55:37,384 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3209: assume !(aws_array_list_init_dynamic_#t~mem119#1.base == 0 && aws_array_list_init_dynamic_#t~mem119#1.offset == 0);havoc aws_array_list_init_dynamic_#t~mem119#1.base, aws_array_list_init_dynamic_#t~mem119#1.offset;call aws_array_list_init_dynamic_#t~mem120#1 := read~int#2(aws_array_list_init_dynamic_~#allocation_size~0#1.base, aws_array_list_init_dynamic_~#allocation_size~0#1.offset, 8);call write~int#3(aws_array_list_init_dynamic_#t~mem120#1, aws_array_list_init_dynamic_~list#1.base, 8 + aws_array_list_init_dynamic_~list#1.offset, 8);havoc aws_array_list_init_dynamic_#t~mem120#1; [2025-02-08 01:55:37,384 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3226: aws_array_list_init_dynamic_#res#1 := -1;call ULTIMATE.dealloc(aws_array_list_init_dynamic_~#allocation_size~0#1.base, aws_array_list_init_dynamic_~#allocation_size~0#1.offset);havoc aws_array_list_init_dynamic_~#allocation_size~0#1.base, aws_array_list_init_dynamic_~#allocation_size~0#1.offset; [2025-02-08 01:55:37,385 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3226-2: SUMMARY for call aws_array_list_init_dynamic_#t~ret125#1 := aws_is_mem_zeroed(aws_array_list_init_dynamic_~list#1.base, aws_array_list_init_dynamic_~list#1.offset, 40); srcloc: null [2025-02-08 01:55:37,385 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3226-1: SUMMARY for call __VERIFIER_assert((if 0 == (if 0 == aws_array_list_init_dynamic_#t~ret125#1 % 256 then 1 else 0) then 0 else 1)); srcloc: null [2025-02-08 01:55:37,385 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L3202: call ULTIMATE.dealloc(aws_array_list_init_dynamic_~#allocation_size~0#1.base, aws_array_list_init_dynamic_~#allocation_size~0#1.offset);havoc aws_array_list_init_dynamic_~#allocation_size~0#1.base, aws_array_list_init_dynamic_~#allocation_size~0#1.offset; [2025-02-08 01:55:37,469 INFO L? ?]: Removed 147 outVars from TransFormulas that were not future-live. [2025-02-08 01:55:37,469 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 01:55:37,482 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 01:55:37,484 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 01:55:37,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:55:37 BoogieIcfgContainer [2025-02-08 01:55:37,485 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 01:55:37,487 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 01:55:37,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 01:55:37,492 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 01:55:37,492 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:55:29" (1/3) ... [2025-02-08 01:55:37,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5eb697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:55:37, skipping insertion in model container [2025-02-08 01:55:37,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:55:31" (2/3) ... [2025-02-08 01:55:37,493 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5eb697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:55:37, skipping insertion in model container [2025-02-08 01:55:37,493 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:55:37" (3/3) ... [2025-02-08 01:55:37,494 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness_negated.i [2025-02-08 01:55:37,508 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 01:55:37,509 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_init_dynamic_harness_negated.i that has 17 procedures, 209 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-02-08 01:55:37,556 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 01:55:37,566 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;@4a0c8b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 01:55:37,567 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-08 01:55:37,570 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 128 states have (on average 1.2578125) internal successors, (161), 133 states have internal predecessors, (161), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2025-02-08 01:55:37,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2025-02-08 01:55:37,580 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:55:37,581 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:55:37,582 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:55:37,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:55:37,588 INFO L85 PathProgramCache]: Analyzing trace with hash -774955177, now seen corresponding path program 1 times [2025-02-08 01:55:37,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:55:37,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916265900] [2025-02-08 01:55:37,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:55:37,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:55:41,896 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-02-08 01:55:42,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-02-08 01:55:42,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:55:42,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:55:42,655 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2025-02-08 01:55:42,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:55:42,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916265900] [2025-02-08 01:55:42,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916265900] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:55:42,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2141832203] [2025-02-08 01:55:42,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:55:42,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:55:42,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:55:42,660 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:55:42,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 01:55:47,217 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-02-08 01:55:47,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-02-08 01:55:47,679 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:55:47,679 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:55:47,696 INFO L256 TraceCheckSpWp]: Trace formula consists of 4418 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 01:55:47,703 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:55:47,718 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2025-02-08 01:55:47,718 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 01:55:47,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2141832203] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 01:55:47,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 01:55:47,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 01:55:47,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182349202] [2025-02-08 01:55:47,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 01:55:47,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 01:55:47,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 01:55:47,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 01:55:47,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:55:47,738 INFO L87 Difference]: Start difference. First operand has 209 states, 128 states have (on average 1.2578125) internal successors, (161), 133 states have internal predecessors, (161), 60 states have call successors, (60), 16 states have call predecessors, (60), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-02-08 01:55:47,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 01:55:47,771 INFO L93 Difference]: Finished difference Result 393 states and 558 transitions. [2025-02-08 01:55:47,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 01:55:47,772 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 141 [2025-02-08 01:55:47,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 01:55:47,778 INFO L225 Difference]: With dead ends: 393 [2025-02-08 01:55:47,778 INFO L226 Difference]: Without dead ends: 170 [2025-02-08 01:55:47,781 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 01:55:47,783 INFO L435 NwaCegarLoop]: 275 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 275 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 01:55:47,783 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 01:55:47,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2025-02-08 01:55:47,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2025-02-08 01:55:47,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 106 states have (on average 1.2075471698113207) internal successors, (128), 108 states have internal predecessors, (128), 51 states have call successors, (51), 12 states have call predecessors, (51), 12 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2025-02-08 01:55:47,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 228 transitions. [2025-02-08 01:55:47,830 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 228 transitions. Word has length 141 [2025-02-08 01:55:47,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 01:55:47,832 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 228 transitions. [2025-02-08 01:55:47,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2025-02-08 01:55:47,832 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 228 transitions. [2025-02-08 01:55:47,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-02-08 01:55:47,836 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 01:55:47,836 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 01:55:47,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 01:55:48,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 01:55:48,037 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-02-08 01:55:48,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 01:55:48,038 INFO L85 PathProgramCache]: Analyzing trace with hash -1642809481, now seen corresponding path program 1 times [2025-02-08 01:55:48,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 01:55:48,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718108502] [2025-02-08 01:55:48,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:55:48,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 01:55:52,256 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-08 01:55:52,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-08 01:55:52,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:55:52,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:55:54,070 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 382 trivial. 0 not checked. [2025-02-08 01:55:54,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 01:55:54,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718108502] [2025-02-08 01:55:54,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718108502] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 01:55:54,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190832544] [2025-02-08 01:55:54,071 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 01:55:54,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 01:55:54,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 01:55:54,073 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 01:55:54,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 01:55:58,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-02-08 01:55:59,218 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-02-08 01:55:59,219 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 01:55:59,219 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 01:55:59,241 INFO L256 TraceCheckSpWp]: Trace formula consists of 4568 conjuncts, 85 conjuncts are in the unsatisfiable core [2025-02-08 01:55:59,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 01:55:59,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 19 [2025-02-08 01:55:59,588 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 24 treesize of output 9 [2025-02-08 01:56:00,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 29 treesize of output 13 [2025-02-08 01:56:00,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2025-02-08 01:56:01,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 29 treesize of output 13 [2025-02-08 01:56:01,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 25 [2025-02-08 01:56:02,146 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 01:56:02,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 34 [2025-02-08 01:56:02,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 22 [2025-02-08 01:56:17,226 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-02-08 01:56:17,227 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 25 [2025-02-08 01:56:17,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37