./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.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_array_list_front_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 db08682c30aec752483be6a01f1f927a34d978b2784f151bbe405368492dd0de --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 06:52:47,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 06:52:47,881 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 06:52:47,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 06:52:47,884 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 06:52:47,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 06:52:47,900 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 06:52:47,900 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 06:52:47,900 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 06:52:47,900 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 06:52:47,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 06:52:47,900 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 06:52:47,900 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 06:52:47,901 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 06:52:47,901 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 06:52:47,901 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 06:52:47,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 06:52:47,901 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 06:52:47,901 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 06:52:47,901 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 06:52:47,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 06:52:47,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 06:52:47,901 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 06:52:47,901 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 06:52:47,902 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 06:52:47,902 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 06:52:47,902 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 06:52:47,902 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 06:52:47,902 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 06:52:47,902 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:52:47,902 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 06:52:47,902 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 06:52:47,902 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 06:52:47,902 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 06:52:47,903 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 06:52:47,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 06:52:47,903 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 06:52:47,903 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 06:52:47,903 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 06:52:47,903 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 06:52:47,903 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 -> db08682c30aec752483be6a01f1f927a34d978b2784f151bbe405368492dd0de [2025-03-17 06:52:48,217 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 06:52:48,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 06:52:48,228 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 06:52:48,229 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 06:52:48,229 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 06:52:48,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2025-03-17 06:52:49,840 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3190c2a/27f51dd83bc5413092c1a3a5cb0bbdac/FLAG90ce77a6f [2025-03-17 06:52:50,269 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 06:52:50,269 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2025-03-17 06:52:50,306 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3190c2a/27f51dd83bc5413092c1a3a5cb0bbdac/FLAG90ce77a6f [2025-03-17 06:52:50,322 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c3190c2a/27f51dd83bc5413092c1a3a5cb0bbdac [2025-03-17 06:52:50,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 06:52:50,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 06:52:50,329 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 06:52:50,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 06:52:50,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 06:52:50,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:52:50" (1/1) ... [2025-03-17 06:52:50,336 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60d3d26c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:50, skipping insertion in model container [2025-03-17 06:52:50,336 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 06:52:50" (1/1) ... [2025-03-17 06:52:50,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 06:52:50,605 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_array_list_front_harness.i[4494,4507] [2025-03-17 06:52:50,612 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_array_list_front_harness.i[4554,4567] [2025-03-17 06:52:51,151 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,151 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,151 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,152 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,165 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,167 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,168 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,169 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,170 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,170 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,171 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,171 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,483 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,487 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:52:51,568 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 06:52:51,577 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_array_list_front_harness.i[4494,4507] [2025-03-17 06:52:51,577 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_array_list_front_harness.i[4554,4567] [2025-03-17 06:52:51,619 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,620 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,620 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,620 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,621 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,626 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,627 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,628 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,629 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,673 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,677 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 06:52:51,681 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7767-7778] [2025-03-17 06:52:51,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 06:52:51,860 INFO L204 MainTranslator]: Completed translation [2025-03-17 06:52:51,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51 WrapperNode [2025-03-17 06:52:51,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 06:52:51,862 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 06:52:51,862 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 06:52:51,862 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 06:52:51,866 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51" (1/1) ... [2025-03-17 06:52:51,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51" (1/1) ... [2025-03-17 06:52:51,979 INFO L138 Inliner]: procedures = 680, calls = 1682, calls flagged for inlining = 53, calls inlined = 8, statements flattened = 662 [2025-03-17 06:52:51,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 06:52:51,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 06:52:51,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 06:52:51,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 06:52:51,987 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51" (1/1) ... [2025-03-17 06:52:51,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51" (1/1) ... [2025-03-17 06:52:51,992 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51" (1/1) ... [2025-03-17 06:52:52,048 INFO L175 MemorySlicer]: Split 314 memory accesses to 6 slices as follows [56, 238, 2, 3, 6, 9]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [10, 6, 2, 1, 0, 5]. The 239 writes are split as follows [3, 232, 0, 1, 2, 1]. [2025-03-17 06:52:52,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51" (1/1) ... [2025-03-17 06:52:52,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51" (1/1) ... [2025-03-17 06:52:52,103 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51" (1/1) ... [2025-03-17 06:52:52,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51" (1/1) ... [2025-03-17 06:52:52,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51" (1/1) ... [2025-03-17 06:52:52,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51" (1/1) ... [2025-03-17 06:52:52,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 06:52:52,125 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 06:52:52,125 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 06:52:52,125 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 06:52:52,126 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51" (1/1) ... [2025-03-17 06:52:52,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 06:52:52,142 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:52:52,156 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 06:52:52,158 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 06:52:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 06:52:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2025-03-17 06:52:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2025-03-17 06:52:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2025-03-17 06:52:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2025-03-17 06:52:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 06:52:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 06:52:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 06:52:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 06:52:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 06:52:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 06:52:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 06:52:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 06:52:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 06:52:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 06:52:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 06:52:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 06:52:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 06:52:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 06:52:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-17 06:52:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-17 06:52:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 06:52:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 06:52:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 06:52:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 06:52:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 06:52:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2025-03-17 06:52:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 06:52:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 06:52:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 06:52:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2025-03-17 06:52:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2025-03-17 06:52:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 06:52:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2025-03-17 06:52:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 06:52:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2025-03-17 06:52:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2025-03-17 06:52:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 06:52:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-17 06:52:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2025-03-17 06:52:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2025-03-17 06:52:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 06:52:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 06:52:52,561 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 06:52:52,563 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 06:52:52,612 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2025-03-17 06:52:52,640 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2025-03-17 06:52:52,670 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2025-03-17 06:52:52,705 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 06:52:52,839 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 06:52:52,843 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 06:52:52,868 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L7388: havoc #t~ret687.base, #t~ret687.offset; [2025-03-17 06:52:58,169 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3342: havoc aws_array_list_front_#t~ret180#1; [2025-03-17 06:52:58,234 INFO L? ?]: Removed 129 outVars from TransFormulas that were not future-live. [2025-03-17 06:52:58,234 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 06:52:58,246 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 06:52:58,249 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 06:52:58,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:52:58 BoogieIcfgContainer [2025-03-17 06:52:58,249 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 06:52:58,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 06:52:58,251 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 06:52:58,255 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 06:52:58,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 06:52:50" (1/3) ... [2025-03-17 06:52:58,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a48a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:52:58, skipping insertion in model container [2025-03-17 06:52:58,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 06:52:51" (2/3) ... [2025-03-17 06:52:58,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a48a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 06:52:58, skipping insertion in model container [2025-03-17 06:52:58,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 06:52:58" (3/3) ... [2025-03-17 06:52:58,258 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2025-03-17 06:52:58,269 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 06:52:58,270 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_front_harness.i that has 18 procedures, 182 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2025-03-17 06:52:58,323 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 06:52:58,334 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;@3938fc42, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 06:52:58,335 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 06:52:58,339 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 107 states have (on average 1.205607476635514) internal successors, (129), 108 states have internal predecessors, (129), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2025-03-17 06:52:58,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-17 06:52:58,349 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 06:52:58,350 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:52:58,351 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 06:52:58,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 06:52:58,357 INFO L85 PathProgramCache]: Analyzing trace with hash -1114634698, now seen corresponding path program 1 times [2025-03-17 06:52:58,362 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 06:52:58,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756046350] [2025-03-17 06:52:58,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:52:58,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 06:53:02,703 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-17 06:53:03,028 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-17 06:53:03,028 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 06:53:03,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 06:53:03,438 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2025-03-17 06:53:03,438 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 06:53:03,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756046350] [2025-03-17 06:53:03,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756046350] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 06:53:03,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1394826702] [2025-03-17 06:53:03,440 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:53:03,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 06:53:03,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:53:03,442 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 06:53:03,444 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 06:53:08,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-17 06:53:09,025 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-17 06:53:09,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 06:53:09,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 06:53:09,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 4249 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-03-17 06:53:09,057 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 06:53:09,073 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2025-03-17 06:53:09,076 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 06:53:09,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1394826702] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 06:53:09,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 06:53:09,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-03-17 06:53:09,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936909145] [2025-03-17 06:53:09,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 06:53:09,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 06:53:09,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 06:53:09,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 06:53:09,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 06:53:09,101 INFO L87 Difference]: Start difference. First operand has 182 states, 107 states have (on average 1.205607476635514) internal successors, (129), 108 states have internal predecessors, (129), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 06:53:09,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 06:53:09,141 INFO L93 Difference]: Finished difference Result 358 states and 512 transitions. [2025-03-17 06:53:09,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 06:53:09,142 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 128 [2025-03-17 06:53:09,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 06:53:09,148 INFO L225 Difference]: With dead ends: 358 [2025-03-17 06:53:09,148 INFO L226 Difference]: Without dead ends: 175 [2025-03-17 06:53:09,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 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 06:53:09,155 INFO L435 NwaCegarLoop]: 239 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, 239 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 06:53:09,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 239 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 06:53:09,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2025-03-17 06:53:09,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2025-03-17 06:53:09,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 103 states have internal predecessors, (119), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-03-17 06:53:09,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 229 transitions. [2025-03-17 06:53:09,208 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 229 transitions. Word has length 128 [2025-03-17 06:53:09,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 06:53:09,209 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 229 transitions. [2025-03-17 06:53:09,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2025-03-17 06:53:09,209 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 229 transitions. [2025-03-17 06:53:09,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-17 06:53:09,214 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 06:53:09,215 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:53:09,229 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 06:53:09,415 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 06:53:09,416 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 06:53:09,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 06:53:09,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1085119688, now seen corresponding path program 1 times [2025-03-17 06:53:09,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 06:53:09,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825131554] [2025-03-17 06:53:09,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:53:09,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 06:53:13,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-17 06:53:13,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-17 06:53:13,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 06:53:13,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 06:53:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 06:53:16,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 06:53:16,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825131554] [2025-03-17 06:53:16,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825131554] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 06:53:16,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 06:53:16,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-03-17 06:53:16,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175695508] [2025-03-17 06:53:16,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 06:53:16,529 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 06:53:16,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 06:53:16,529 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 06:53:16,529 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2025-03-17 06:53:16,530 INFO L87 Difference]: Start difference. First operand 175 states and 229 transitions. Second operand has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-03-17 06:53:20,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 06:53:24,990 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 06:53:26,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 06:53:26,550 INFO L93 Difference]: Finished difference Result 318 states and 424 transitions. [2025-03-17 06:53:26,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 06:53:26,552 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 128 [2025-03-17 06:53:26,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 06:53:26,558 INFO L225 Difference]: With dead ends: 318 [2025-03-17 06:53:26,560 INFO L226 Difference]: Without dead ends: 214 [2025-03-17 06:53:26,565 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-03-17 06:53:26,565 INFO L435 NwaCegarLoop]: 240 mSDtfsCounter, 15 mSDsluCounter, 1420 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 1660 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.8s IncrementalHoareTripleChecker+Time [2025-03-17 06:53:26,566 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 1660 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 2 Unknown, 0 Unchecked, 9.8s Time] [2025-03-17 06:53:26,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2025-03-17 06:53:26,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 195. [2025-03-17 06:53:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 114 states have (on average 1.1666666666666667) internal successors, (133), 115 states have internal predecessors, (133), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (62), 62 states have call predecessors, (62), 61 states have call successors, (62) [2025-03-17 06:53:26,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 258 transitions. [2025-03-17 06:53:26,590 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 258 transitions. Word has length 128 [2025-03-17 06:53:26,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 06:53:26,590 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 258 transitions. [2025-03-17 06:53:26,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2025-03-17 06:53:26,591 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 258 transitions. [2025-03-17 06:53:26,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2025-03-17 06:53:26,593 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 06:53:26,593 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:53:26,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 06:53:26,594 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 06:53:26,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 06:53:26,594 INFO L85 PathProgramCache]: Analyzing trace with hash 865180567, now seen corresponding path program 1 times [2025-03-17 06:53:26,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 06:53:26,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217302958] [2025-03-17 06:53:26,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:53:26,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 06:53:30,229 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-17 06:53:30,370 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-17 06:53:30,371 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 06:53:30,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 06:53:32,768 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 6 proven. 29 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2025-03-17 06:53:32,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 06:53:32,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217302958] [2025-03-17 06:53:32,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217302958] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 06:53:32,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35316867] [2025-03-17 06:53:32,771 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 06:53:32,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 06:53:32,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 06:53:32,773 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 06:53:32,775 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 06:53:37,346 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 128 statements into 1 equivalence classes. [2025-03-17 06:53:37,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 128 of 128 statements. [2025-03-17 06:53:37,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 06:53:37,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 06:53:37,868 INFO L256 TraceCheckSpWp]: Trace formula consists of 4246 conjuncts, 55 conjuncts are in the unsatisfiable core [2025-03-17 06:53:37,880 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 06:53:41,195 WARN L873 $PredicateComparison]: unable to prove that (exists ((v_ensure_array_list_has_allocated_data_member_~list.offset_8 Int)) (and (= (store |c_old(#memory_$Pointer$#0.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#0.offset)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#0.offset| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8))) |c_#memory_$Pointer$#0.offset|) (<= v_ensure_array_list_has_allocated_data_member_~list.offset_8 |c_ensure_array_list_has_allocated_data_member_#in~list.offset|) (= (store |c_old(#memory_$Pointer$#0.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base| (store (select |c_old(#memory_$Pointer$#0.base)| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8 (select (select |c_#memory_$Pointer$#0.base| |c_ensure_array_list_has_allocated_data_member_#in~list.base|) v_ensure_array_list_has_allocated_data_member_~list.offset_8))) |c_#memory_$Pointer$#0.base|))) is different from true [2025-03-17 06:53:41,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-17 06:53:41,362 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-03-17 06:53:41,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2025-03-17 06:53:41,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-03-17 06:53:52,723 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 87 proven. 32 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2025-03-17 06:53:52,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 06:54:02,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35316867] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 06:54:02,629 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 06:54:02,629 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 13] total 16 [2025-03-17 06:54:02,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520614171] [2025-03-17 06:54:02,629 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 06:54:02,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-17 06:54:02,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 06:54:02,630 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-17 06:54:02,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=536, Unknown=1, NotChecked=46, Total=650 [2025-03-17 06:54:02,631 INFO L87 Difference]: Start difference. First operand 195 states and 258 transitions. Second operand has 16 states, 14 states have (on average 6.857142857142857) internal successors, (96), 13 states have internal predecessors, (96), 8 states have call successors, (45), 5 states have call predecessors, (45), 7 states have return successors, (42), 7 states have call predecessors, (42), 8 states have call successors, (42) [2025-03-17 06:54:06,690 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 06:54:11,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 06:54:15,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 06:54:19,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2025-03-17 06:54:24,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []