./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed 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_static_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d7eaf0344f6f57c66c46804220c62b0485b08b4ef0e684c487eaec2203e797bb --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 18:13:33,493 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 18:13:33,545 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 18:13:33,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 18:13:33,549 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 18:13:33,562 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 18:13:33,562 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 18:13:33,562 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 18:13:33,563 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 18:13:33,563 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 18:13:33,563 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 18:13:33,563 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 18:13:33,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 18:13:33,563 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 18:13:33,563 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 18:13:33,563 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 18:13:33,563 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 18:13:33,564 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 18:13:33,564 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 18:13:33,564 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 18:13:33,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 18:13:33,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 18:13:33,564 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 18:13:33,564 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 18:13:33,564 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 18:13:33,564 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 18:13:33,564 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 18:13:33,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 18:13:33,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 18:13:33,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:13:33,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 18:13:33,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 18:13:33,565 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 18:13:33,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 18:13:33,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 18:13:33,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 18:13:33,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 18:13:33,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 18:13:33,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 18:13:33,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 18:13:33,566 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 -> d7eaf0344f6f57c66c46804220c62b0485b08b4ef0e684c487eaec2203e797bb [2025-03-08 18:13:33,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 18:13:33,788 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 18:13:33,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 18:13:33,792 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 18:13:33,792 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 18:13:33,794 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i [2025-03-08 18:13:34,890 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba794b28/ff3c3535dd0f4e2ea14826a46fdc3106/FLAGb919609e1 [2025-03-08 18:13:35,364 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 18:13:35,366 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i [2025-03-08 18:13:35,395 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba794b28/ff3c3535dd0f4e2ea14826a46fdc3106/FLAGb919609e1 [2025-03-08 18:13:35,467 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bba794b28/ff3c3535dd0f4e2ea14826a46fdc3106 [2025-03-08 18:13:35,469 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 18:13:35,470 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 18:13:35,471 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 18:13:35,471 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 18:13:35,474 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 18:13:35,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:13:35" (1/1) ... [2025-03-08 18:13:35,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66882f4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:35, skipping insertion in model container [2025-03-08 18:13:35,476 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 06:13:35" (1/1) ... [2025-03-08 18:13:35,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 18:13:35,763 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_static_harness.i[4504,4517] [2025-03-08 18:13:35,770 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_static_harness.i[4564,4577] [2025-03-08 18:13:36,352 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,353 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,354 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,355 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,363 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,691 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,691 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:13:36,761 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 18:13:36,774 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_static_harness.i[4504,4517] [2025-03-08 18:13:36,774 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_static_harness.i[4564,4577] [2025-03-08 18:13:36,838 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,839 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,839 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,839 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,839 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,851 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,852 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,853 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,854 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,919 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,920 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 18:13:36,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2025-03-08 18:13:36,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 18:13:37,128 INFO L204 MainTranslator]: Completed translation [2025-03-08 18:13:37,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37 WrapperNode [2025-03-08 18:13:37,130 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 18:13:37,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 18:13:37,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 18:13:37,131 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 18:13:37,135 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37" (1/1) ... [2025-03-08 18:13:37,195 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37" (1/1) ... [2025-03-08 18:13:37,250 INFO L138 Inliner]: procedures = 678, calls = 1525, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 683 [2025-03-08 18:13:37,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 18:13:37,251 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 18:13:37,251 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 18:13:37,251 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 18:13:37,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37" (1/1) ... [2025-03-08 18:13:37,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37" (1/1) ... [2025-03-08 18:13:37,268 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37" (1/1) ... [2025-03-08 18:13:37,328 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 238, 2, 49, 5]. 80 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 0, 2, 5]. The 252 writes are split as follows [0, 232, 0, 20, 0]. [2025-03-08 18:13:37,331 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37" (1/1) ... [2025-03-08 18:13:37,331 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37" (1/1) ... [2025-03-08 18:13:37,366 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37" (1/1) ... [2025-03-08 18:13:37,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37" (1/1) ... [2025-03-08 18:13:37,379 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37" (1/1) ... [2025-03-08 18:13:37,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37" (1/1) ... [2025-03-08 18:13:37,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 18:13:37,400 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 18:13:37,400 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 18:13:37,400 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 18:13:37,403 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37" (1/1) ... [2025-03-08 18:13:37,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 18:13:37,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:13:37,435 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) [2025-03-08 18:13:37,437 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 [2025-03-08 18:13:37,457 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2025-03-08 18:13:37,457 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2025-03-08 18:13:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 18:13:37,458 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-08 18:13:37,458 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-08 18:13:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 18:13:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 18:13:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 18:13:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 18:13:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 18:13:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 18:13:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 18:13:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 18:13:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 18:13:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 18:13:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 18:13:37,459 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 18:13:37,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 18:13:37,459 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 18:13:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 18:13:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 18:13:37,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 18:13:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 18:13:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-08 18:13:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-08 18:13:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2025-03-08 18:13:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 18:13:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-08 18:13:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-08 18:13:37,461 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 18:13:37,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 18:13:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2025-03-08 18:13:37,462 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2025-03-08 18:13:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2025-03-08 18:13:37,462 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2025-03-08 18:13:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 18:13:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 18:13:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 18:13:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 18:13:37,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 18:13:37,709 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 18:13:37,710 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 18:13:37,741 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2025-03-08 18:13:37,742 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-08 18:13:37,790 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2025-03-08 18:13:37,797 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-08 18:13:37,829 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7341: havoc #t~ret656.base, #t~ret656.offset; [2025-03-08 18:13:37,891 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7494: havoc aws_priority_queue_backpointers_valid_#t~ret686#1;havoc aws_priority_queue_backpointers_valid_#t~short687#1; [2025-03-08 18:13:37,933 INFO L1307 $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; [2025-03-08 18:13:43,244 INFO L? ?]: Removed 134 outVars from TransFormulas that were not future-live. [2025-03-08 18:13:43,244 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 18:13:43,256 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 18:13:43,258 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 18:13:43,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:13:43 BoogieIcfgContainer [2025-03-08 18:13:43,258 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 18:13:43,260 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 18:13:43,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 18:13:43,264 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 18:13:43,264 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 06:13:35" (1/3) ... [2025-03-08 18:13:43,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2efc4607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:13:43, skipping insertion in model container [2025-03-08 18:13:43,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 06:13:37" (2/3) ... [2025-03-08 18:13:43,265 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2efc4607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 06:13:43, skipping insertion in model container [2025-03-08 18:13:43,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 06:13:43" (3/3) ... [2025-03-08 18:13:43,266 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_static_harness.i [2025-03-08 18:13:43,277 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 18:13:43,278 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_init_static_harness.i that has 14 procedures, 165 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-03-08 18:13:43,342 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 18:13:43,350 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;@4a479694, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 18:13:43,352 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 18:13:43,356 INFO L276 IsEmpty]: Start isEmpty. Operand has 165 states, 103 states have (on average 1.203883495145631) internal successors, (124), 103 states have internal predecessors, (124), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-08 18:13:43,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2025-03-08 18:13:43,367 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:13:43,368 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 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, 1, 1, 1] [2025-03-08 18:13:43,368 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:13:43,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:13:43,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1970392697, now seen corresponding path program 1 times [2025-03-08 18:13:43,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:13:43,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448165933] [2025-03-08 18:13:43,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:13:43,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:13:47,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-08 18:13:47,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-08 18:13:47,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:13:47,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:13:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2025-03-08 18:13:48,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:13:48,215 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448165933] [2025-03-08 18:13:48,215 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448165933] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:13:48,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832700199] [2025-03-08 18:13:48,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:13:48,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:13:48,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:13:48,219 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) [2025-03-08 18:13:48,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-08 18:13:52,374 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 155 statements into 1 equivalence classes. [2025-03-08 18:13:52,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 155 of 155 statements. [2025-03-08 18:13:52,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:13:52,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:13:52,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 4467 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-08 18:13:52,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:13:52,906 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 405 trivial. 0 not checked. [2025-03-08 18:13:52,907 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:13:52,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832700199] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:13:52,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:13:52,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-08 18:13:52,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413422445] [2025-03-08 18:13:52,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:13:52,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-08 18:13:52,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:13:52,926 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-08 18:13:52,926 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:13:52,928 INFO L87 Difference]: Start difference. First operand has 165 states, 103 states have (on average 1.203883495145631) internal successors, (124), 103 states have internal predecessors, (124), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 18:13:52,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:13:52,956 INFO L93 Difference]: Finished difference Result 306 states and 434 transitions. [2025-03-08 18:13:52,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-08 18:13:52,957 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 155 [2025-03-08 18:13:52,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:13:52,962 INFO L225 Difference]: With dead ends: 306 [2025-03-08 18:13:52,964 INFO L226 Difference]: Without dead ends: 159 [2025-03-08 18:13:52,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-08 18:13:52,969 INFO L435 NwaCegarLoop]: 216 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, 216 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 [2025-03-08 18:13:52,969 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-08 18:13:52,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-03-08 18:13:52,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2025-03-08 18:13:52,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 97 states have (on average 1.175257731958763) internal successors, (114), 98 states have internal predecessors, (114), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2025-03-08 18:13:52,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 209 transitions. [2025-03-08 18:13:53,002 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 209 transitions. Word has length 155 [2025-03-08 18:13:53,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:13:53,005 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 209 transitions. [2025-03-08 18:13:53,006 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2025-03-08 18:13:53,006 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 209 transitions. [2025-03-08 18:13:53,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2025-03-08 18:13:53,008 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:13:53,008 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:13:53,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-08 18:13:53,208 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 [2025-03-08 18:13:53,212 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:13:53,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:13:53,213 INFO L85 PathProgramCache]: Analyzing trace with hash 764241865, now seen corresponding path program 1 times [2025-03-08 18:13:53,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:13:53,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943451841] [2025-03-08 18:13:53,213 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:13:53,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:13:56,862 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 172 statements into 1 equivalence classes. [2025-03-08 18:13:57,014 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 172 of 172 statements. [2025-03-08 18:13:57,014 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:13:57,015 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:13:58,720 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2025-03-08 18:13:58,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:13:58,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943451841] [2025-03-08 18:13:58,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943451841] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:13:58,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:13:58,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 18:13:58,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087131884] [2025-03-08 18:13:58,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:13:58,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 18:13:58,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:13:58,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 18:13:58,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-08 18:13:58,723 INFO L87 Difference]: Start difference. First operand 159 states and 209 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2025-03-08 18:14:00,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:00,175 INFO L93 Difference]: Finished difference Result 253 states and 328 transitions. [2025-03-08 18:14:00,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 18:14:00,175 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 172 [2025-03-08 18:14:00,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:00,178 INFO L225 Difference]: With dead ends: 253 [2025-03-08 18:14:00,178 INFO L226 Difference]: Without dead ends: 161 [2025-03-08 18:14:00,179 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-03-08 18:14:00,180 INFO L435 NwaCegarLoop]: 184 mSDtfsCounter, 38 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 1002 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-08 18:14:00,180 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 1002 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-08 18:14:00,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-03-08 18:14:00,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2025-03-08 18:14:00,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 98 states have (on average 1.1734693877551021) internal successors, (115), 100 states have internal predecessors, (115), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2025-03-08 18:14:00,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 212 transitions. [2025-03-08 18:14:00,194 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 212 transitions. Word has length 172 [2025-03-08 18:14:00,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:00,195 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 212 transitions. [2025-03-08 18:14:00,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2025-03-08 18:14:00,195 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 212 transitions. [2025-03-08 18:14:00,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2025-03-08 18:14:00,197 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:00,197 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:14:00,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-08 18:14:00,198 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:00,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:00,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1089988692, now seen corresponding path program 1 times [2025-03-08 18:14:00,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:00,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448313449] [2025-03-08 18:14:00,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:00,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:03,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 187 statements into 1 equivalence classes. [2025-03-08 18:14:03,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 187 of 187 statements. [2025-03-08 18:14:03,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:03,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:05,435 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2025-03-08 18:14:05,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:05,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448313449] [2025-03-08 18:14:05,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448313449] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:05,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:14:05,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-08 18:14:05,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271845663] [2025-03-08 18:14:05,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:05,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-08 18:14:05,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:05,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-08 18:14:05,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-03-08 18:14:05,441 INFO L87 Difference]: Start difference. First operand 161 states and 212 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-08 18:14:05,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:05,926 INFO L93 Difference]: Finished difference Result 274 states and 356 transitions. [2025-03-08 18:14:05,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-08 18:14:05,927 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 187 [2025-03-08 18:14:05,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:05,929 INFO L225 Difference]: With dead ends: 274 [2025-03-08 18:14:05,929 INFO L226 Difference]: Without dead ends: 161 [2025-03-08 18:14:05,932 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-08 18:14:05,933 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 6 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 18:14:05,933 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1003 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 18:14:05,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2025-03-08 18:14:05,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2025-03-08 18:14:05,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 98 states have (on average 1.163265306122449) internal successors, (114), 100 states have internal predecessors, (114), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2025-03-08 18:14:05,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 211 transitions. [2025-03-08 18:14:05,947 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 211 transitions. Word has length 187 [2025-03-08 18:14:05,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:05,947 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 211 transitions. [2025-03-08 18:14:05,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-08 18:14:05,947 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 211 transitions. [2025-03-08 18:14:05,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2025-03-08 18:14:05,949 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:05,949 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:14:05,949 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-08 18:14:05,949 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:05,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:05,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1717646167, now seen corresponding path program 1 times [2025-03-08 18:14:05,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:05,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705398723] [2025-03-08 18:14:05,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:05,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:09,436 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 188 statements into 1 equivalence classes. [2025-03-08 18:14:10,678 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 188 of 188 statements. [2025-03-08 18:14:10,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:10,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:12,349 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2025-03-08 18:14:12,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:12,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705398723] [2025-03-08 18:14:12,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705398723] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:12,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-08 18:14:12,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-08 18:14:12,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360945301] [2025-03-08 18:14:12,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:12,350 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-08 18:14:12,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:12,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-08 18:14:12,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-08 18:14:12,352 INFO L87 Difference]: Start difference. First operand 161 states and 211 transitions. Second operand has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-08 18:14:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-08 18:14:12,816 INFO L93 Difference]: Finished difference Result 275 states and 357 transitions. [2025-03-08 18:14:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-08 18:14:12,817 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 188 [2025-03-08 18:14:12,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-08 18:14:12,819 INFO L225 Difference]: With dead ends: 275 [2025-03-08 18:14:12,819 INFO L226 Difference]: Without dead ends: 162 [2025-03-08 18:14:12,820 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-03-08 18:14:12,821 INFO L435 NwaCegarLoop]: 203 mSDtfsCounter, 6 mSDsluCounter, 800 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 1003 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-08 18:14:12,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 1003 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-08 18:14:12,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2025-03-08 18:14:12,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2025-03-08 18:14:12,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 99 states have (on average 1.1616161616161615) internal successors, (115), 101 states have internal predecessors, (115), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2025-03-08 18:14:12,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 212 transitions. [2025-03-08 18:14:12,832 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 212 transitions. Word has length 188 [2025-03-08 18:14:12,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-08 18:14:12,833 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 212 transitions. [2025-03-08 18:14:12,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 9.0) internal successors, (54), 7 states have internal predecessors, (54), 4 states have call successors, (32), 2 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2025-03-08 18:14:12,833 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 212 transitions. [2025-03-08 18:14:12,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2025-03-08 18:14:12,835 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 18:14:12,836 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 18:14:12,836 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-08 18:14:12,836 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 18:14:12,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 18:14:12,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1611233970, now seen corresponding path program 1 times [2025-03-08 18:14:12,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 18:14:12,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080075011] [2025-03-08 18:14:12,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:12,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 18:14:16,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-08 18:14:17,384 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-08 18:14:17,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:17,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:19,490 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2025-03-08 18:14:19,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 18:14:19,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080075011] [2025-03-08 18:14:19,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080075011] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 18:14:19,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109895359] [2025-03-08 18:14:19,491 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 18:14:19,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 18:14:19,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 18:14:19,493 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) [2025-03-08 18:14:19,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-08 18:14:23,560 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 189 statements into 1 equivalence classes. [2025-03-08 18:14:23,989 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 189 of 189 statements. [2025-03-08 18:14:23,989 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 18:14:23,989 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 18:14:24,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 4694 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-03-08 18:14:24,020 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-08 18:14:26,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2025-03-08 18:14:27,958 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| Int) (|v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5| Int)) (and (<= |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| |c_aws_mul_size_checked_#in~r#1.offset|) (= (store |c_old(#memory_$Pointer$#3.base)| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5| (store (select |c_old(#memory_$Pointer$#3.base)| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5|) |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5| (select (select |c_#memory_$Pointer$#3.base| |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.base_5|) |v_aws_mul_size_checked_aws_mul_u64_checked_~r#1.offset_5|))) |c_#memory_$Pointer$#3.base|))) is different from true [2025-03-08 18:14:30,125 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 488 trivial. 0 not checked. [2025-03-08 18:14:30,125 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-08 18:14:30,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109895359] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-08 18:14:30,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-08 18:14:30,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [8] total 23 [2025-03-08 18:14:30,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757288171] [2025-03-08 18:14:30,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-08 18:14:30,126 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-03-08 18:14:30,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-08 18:14:30,127 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-03-08 18:14:30,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=398, Unknown=13, NotChecked=40, Total=506 [2025-03-08 18:14:30,127 INFO L87 Difference]: Start difference. First operand 162 states and 212 transitions. Second operand has 17 states, 15 states have (on average 3.933333333333333) internal successors, (59), 15 states have internal predecessors, (59), 8 states have call successors, (33), 3 states have call predecessors, (33), 4 states have return successors, (32), 8 states have call predecessors, (32), 7 states have call successors, (32) [2025-03-08 18:14:34,158 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-08 18:14:38,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2025-03-08 18:15:07,081 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0]