./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 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_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 175c9418701070e8128f8ed008fd30685ed8c019e1010acc82e904c5730ef842 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 07:20:16,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:20:16,677 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:20:16,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:20:16,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:20:16,705 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:20:16,706 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:20:16,706 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:20:16,706 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:20:16,706 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:20:16,707 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:20:16,707 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:20:16,708 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:20:16,708 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:20:16,708 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:20:16,709 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:20:16,709 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:20:16,709 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:20:16,709 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:20:16,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:20:16,709 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:20:16,709 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:20:16,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:20:16,710 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:20:16,710 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:20:16,710 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:20:16,710 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:20:16,710 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:20:16,710 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:20:16,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:20:16,711 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:20:16,711 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:20:16,711 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:20:16,711 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:20:16,711 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:20:16,711 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:20:16,712 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:20:16,712 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:20:16,712 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:20:16,712 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:20:16,712 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 -> 175c9418701070e8128f8ed008fd30685ed8c019e1010acc82e904c5730ef842 [2025-03-17 07:20:16,924 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:20:16,931 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:20:16,934 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:20:16,934 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:20:16,935 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:20:16,936 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i [2025-03-17 07:20:18,059 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e43943d9/59b8eee37cf44cec9b0ff712542851d0/FLAG77b4ef7ce [2025-03-17 07:20:18,526 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:20:18,527 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_dynamic_harness_negated.i [2025-03-17 07:20:18,553 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e43943d9/59b8eee37cf44cec9b0ff712542851d0/FLAG77b4ef7ce [2025-03-17 07:20:18,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e43943d9/59b8eee37cf44cec9b0ff712542851d0 [2025-03-17 07:20:18,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:20:18,625 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:20:18,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:20:18,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:20:18,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:20:18,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:20:18" (1/1) ... [2025-03-17 07:20:18,629 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aadf523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:18, skipping insertion in model container [2025-03-17 07:20:18,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:20:18" (1/1) ... [2025-03-17 07:20:18,679 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:20:18,851 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_priority_queue_init_dynamic_harness_negated.i[4505,4518] [2025-03-17 07:20:18,859 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_priority_queue_init_dynamic_harness_negated.i[4565,4578] [2025-03-17 07:20:19,336 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,337 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,338 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,357 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,668 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:20:19,689 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:20:19,698 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_priority_queue_init_dynamic_harness_negated.i[4505,4518] [2025-03-17 07:20:19,698 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_priority_queue_init_dynamic_harness_negated.i[4565,4578] [2025-03-17 07:20:19,752 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,754 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,755 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,760 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,760 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,763 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,763 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,830 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,831 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:20:19,839 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2025-03-17 07:20:19,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:20:20,012 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:20:20,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20 WrapperNode [2025-03-17 07:20:20,013 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:20:20,014 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:20:20,014 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:20:20,014 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:20:20,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20" (1/1) ... [2025-03-17 07:20:20,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20" (1/1) ... [2025-03-17 07:20:20,127 INFO L138 Inliner]: procedures = 678, calls = 1530, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 763 [2025-03-17 07:20:20,128 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:20:20,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:20:20,128 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:20:20,128 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:20:20,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20" (1/1) ... [2025-03-17 07:20:20,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20" (1/1) ... [2025-03-17 07:20:20,150 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20" (1/1) ... [2025-03-17 07:20:20,223 INFO L175 MemorySlicer]: Split 301 memory accesses to 5 slices as follows [2, 238, 48, 5, 8]. 79 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 0, 5, 2]. The 252 writes are split as follows [0, 232, 19, 0, 1]. [2025-03-17 07:20:20,224 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20" (1/1) ... [2025-03-17 07:20:20,224 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20" (1/1) ... [2025-03-17 07:20:20,251 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20" (1/1) ... [2025-03-17 07:20:20,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20" (1/1) ... [2025-03-17 07:20:20,263 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20" (1/1) ... [2025-03-17 07:20:20,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20" (1/1) ... [2025-03-17 07:20:20,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:20:20,273 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:20:20,273 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:20:20,273 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:20:20,274 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20" (1/1) ... [2025-03-17 07:20:20,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:20:20,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:20:20,304 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:20:20,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:20:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-17 07:20:20,322 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-17 07:20:20,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:20:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-17 07:20:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-17 07:20:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:20:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:20:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2025-03-17 07:20:20,323 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2025-03-17 07:20:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:20:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:20:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:20:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:20:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:20:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:20:20,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:20:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:20:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:20:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:20:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 07:20:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 07:20:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:20:20,324 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:20:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:20:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:20:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:20:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:20:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:20:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:20:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:20:20,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:20:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:20:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:20:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:20:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-17 07:20:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-17 07:20:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 07:20:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 07:20:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:20:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:20:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:20:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:20:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:20:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 07:20:20,325 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 07:20:20,325 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-17 07:20:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-17 07:20:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:20:20,326 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:20:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:20:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:20:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:20:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:20:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:20:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:20:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:20:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:20:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:20:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:20:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:20:20,326 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 07:20:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 07:20:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 07:20:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 07:20:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:20:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:20:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:20:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:20:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:20:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-17 07:20:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-17 07:20:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-17 07:20:20,327 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-17 07:20:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:20:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:20:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:20:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:20:20,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:20:20,556 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:20:20,559 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:20:20,602 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2025-03-17 07:20:20,604 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-17 07:20:20,634 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2025-03-17 07:20:20,665 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc #t~ret81;havoc #t~ite83.base, #t~ite83.offset;havoc #t~ret82.base, #t~ret82.offset; [2025-03-17 07:20:20,672 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7309: havoc #t~ret656.base, #t~ret656.offset; [2025-03-17 07:20:20,746 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7462: havoc aws_priority_queue_backpointers_valid_#t~ret686#1;havoc aws_priority_queue_backpointers_valid_#t~short687#1; [2025-03-17 07:20:20,772 INFO L1322 $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; [2025-03-17 07:20:20,774 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:20:20,778 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2821: havoc #t~ret89.base, #t~ret89.offset; [2025-03-17 07:20:26,012 INFO L1322 $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; [2025-03-17 07:20:26,087 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2025-03-17 07:20:26,087 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:20:26,099 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:20:26,099 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:20:26,099 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:20:26 BoogieIcfgContainer [2025-03-17 07:20:26,099 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:20:26,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:20:26,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:20:26,107 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:20:26,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:20:18" (1/3) ... [2025-03-17 07:20:26,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df3b428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:20:26, skipping insertion in model container [2025-03-17 07:20:26,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:20:20" (2/3) ... [2025-03-17 07:20:26,108 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7df3b428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:20:26, skipping insertion in model container [2025-03-17 07:20:26,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:20:26" (3/3) ... [2025-03-17 07:20:26,109 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness_negated.i [2025-03-17 07:20:26,122 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:20:26,123 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. [2025-03-17 07:20:26,168 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:20:26,180 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;@1ba86803, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:20:26,180 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:20:26,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 209 states, 131 states have (on average 1.2442748091603053) internal successors, (163), 131 states have internal predecessors, (163), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2025-03-17 07:20:26,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2025-03-17 07:20:26,195 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:20:26,196 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 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] [2025-03-17 07:20:26,196 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:20:26,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:20:26,201 INFO L85 PathProgramCache]: Analyzing trace with hash -205214111, now seen corresponding path program 1 times [2025-03-17 07:20:26,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:20:26,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472827566] [2025-03-17 07:20:26,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:20:26,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:20:30,707 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-17 07:20:31,069 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-17 07:20:31,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:20:31,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:20:31,514 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2025-03-17 07:20:31,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:20:31,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472827566] [2025-03-17 07:20:31,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472827566] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:20:31,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72603337] [2025-03-17 07:20:31,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:20:31,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:20:31,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:20:31,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:20:31,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 07:20:35,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 143 statements into 1 equivalence classes. [2025-03-17 07:20:36,037 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 143 of 143 statements. [2025-03-17 07:20:36,037 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:20:36,037 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:20:36,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 4418 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 07:20:36,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:20:36,081 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2025-03-17 07:20:36,081 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 07:20:36,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72603337] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 07:20:36,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 07:20:36,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 07:20:36,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119939965] [2025-03-17 07:20:36,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 07:20:36,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 07:20:36,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 07:20:36,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 07:20:36,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:20:36,102 INFO L87 Difference]: Start difference. First operand has 209 states, 131 states have (on average 1.2442748091603053) internal successors, (163), 131 states have internal predecessors, (163), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2025-03-17 07:20:36,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 07:20:36,130 INFO L93 Difference]: Finished difference Result 393 states and 571 transitions. [2025-03-17 07:20:36,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 07:20:36,132 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 143 [2025-03-17 07:20:36,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 07:20:36,144 INFO L225 Difference]: With dead ends: 393 [2025-03-17 07:20:36,144 INFO L226 Difference]: Without dead ends: 204 [2025-03-17 07:20:36,148 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 07:20:36,150 INFO L435 NwaCegarLoop]: 281 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, 281 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 [2025-03-17 07:20:36,151 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 07:20:36,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2025-03-17 07:20:36,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2025-03-17 07:20:36,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 125 states have (on average 1.224) internal successors, (153), 127 states have internal predecessors, (153), 62 states have call successors, (62), 16 states have call predecessors, (62), 16 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2025-03-17 07:20:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 275 transitions. [2025-03-17 07:20:36,187 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 275 transitions. Word has length 143 [2025-03-17 07:20:36,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 07:20:36,190 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 275 transitions. [2025-03-17 07:20:36,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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) [2025-03-17 07:20:36,190 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 275 transitions. [2025-03-17 07:20:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2025-03-17 07:20:36,195 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:20:36,195 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, 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] [2025-03-17 07:20:36,210 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 07:20:36,396 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-03-17 07:20:36,396 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:20:36,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:20:36,397 INFO L85 PathProgramCache]: Analyzing trace with hash 851564204, now seen corresponding path program 1 times [2025-03-17 07:20:36,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:20:36,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778804738] [2025-03-17 07:20:36,397 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:20:36,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:20:40,210 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-03-17 07:20:40,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-03-17 07:20:40,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:20:40,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:20:41,967 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 383 trivial. 0 not checked. [2025-03-17 07:20:41,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:20:41,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778804738] [2025-03-17 07:20:41,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778804738] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:20:41,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901923917] [2025-03-17 07:20:41,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:20:41,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:20:41,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:20:41,973 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:20:41,974 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 07:20:46,236 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 177 statements into 1 equivalence classes. [2025-03-17 07:20:46,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 177 of 177 statements. [2025-03-17 07:20:46,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:20:46,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:20:46,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 4566 conjuncts, 83 conjuncts are in the unsatisfiable core [2025-03-17 07:20:46,758 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 07:20:47,066 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 [2025-03-17 07:20:47,129 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 [2025-03-17 07:20:48,139 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 [2025-03-17 07:20:48,184 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 [2025-03-17 07:20:48,957 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 [2025-03-17 07:20:49,002 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 [2025-03-17 07:20:49,702 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 07:20:49,703 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 49 treesize of output 25 [2025-03-17 07:20:49,789 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 [2025-03-17 07:21:02,761 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-03-17 07:21:02,761 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 [2025-03-17 07:21:02,818 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 34 treesize of output 25