./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 798a7b37 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6dc5bd60f4d96fc7f9806283fae01bdd9c221bb414825650ea3065ab8880bb4d --- Real Ultimate output --- This is Ultimate 0.3.0-?-798a7b3-m [2025-03-04 02:49:07,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-04 02:49:07,595 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-04 02:49:07,601 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-04 02:49:07,602 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-04 02:49:07,627 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-04 02:49:07,628 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-04 02:49:07,628 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-04 02:49:07,629 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-04 02:49:07,629 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-04 02:49:07,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-04 02:49:07,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-04 02:49:07,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-04 02:49:07,630 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-04 02:49:07,630 INFO L153 SettingsManager]: * Use SBE=true [2025-03-04 02:49:07,630 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-04 02:49:07,630 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-04 02:49:07,630 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-04 02:49:07,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-04 02:49:07,631 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-04 02:49:07,631 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-04 02:49:07,631 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-04 02:49:07,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-04 02:49:07,631 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-04 02:49:07,631 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-04 02:49:07,631 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-04 02:49:07,631 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-04 02:49:07,631 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-04 02:49:07,631 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-04 02:49:07,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:49:07,632 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-04 02:49:07,632 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-04 02:49:07,632 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-04 02:49:07,632 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-04 02:49:07,632 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-04 02:49:07,632 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-04 02:49:07,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-04 02:49:07,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-04 02:49:07,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-04 02:49:07,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-04 02:49:07,633 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 -> 6dc5bd60f4d96fc7f9806283fae01bdd9c221bb414825650ea3065ab8880bb4d [2025-03-04 02:49:07,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-04 02:49:07,896 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-04 02:49:07,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-04 02:49:07,901 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-04 02:49:07,901 INFO L274 PluginConnector]: CDTParser initialized [2025-03-04 02:49:07,902 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness_negated.i [2025-03-04 02:49:09,082 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d526b703/584d42ad66ba47e892f8e8ede49d23dd/FLAGc34607b88 [2025-03-04 02:49:09,527 INFO L384 CDTParser]: Found 1 translation units. [2025-03-04 02:49:09,529 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness_negated.i [2025-03-04 02:49:09,562 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d526b703/584d42ad66ba47e892f8e8ede49d23dd/FLAGc34607b88 [2025-03-04 02:49:09,652 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d526b703/584d42ad66ba47e892f8e8ede49d23dd [2025-03-04 02:49:09,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-04 02:49:09,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-04 02:49:09,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-04 02:49:09,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-04 02:49:09,658 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-04 02:49:09,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,660 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ebf33d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:09, skipping insertion in model container [2025-03-04 02:49:09,660 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.03 02:49:09" (1/1) ... [2025-03-04 02:49:09,726 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-04 02:49:09,908 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_byte_cursor_read_be32_harness_negated.i[4499,4512] [2025-03-04 02:49:09,914 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_byte_cursor_read_be32_harness_negated.i[4559,4572] [2025-03-04 02:49:10,394 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:10,395 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:10,395 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:10,396 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:10,396 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:10,406 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:10,406 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:10,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:10,407 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:10,841 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:10,843 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:10,904 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:49:10,958 INFO L200 MainTranslator]: Completed pre-run [2025-03-04 02:49:10,969 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_byte_cursor_read_be32_harness_negated.i[4499,4512] [2025-03-04 02:49:10,973 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_byte_cursor_read_be32_harness_negated.i[4559,4572] [2025-03-04 02:49:11,011 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:11,012 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:11,012 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:11,012 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:11,013 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:11,018 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:11,019 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:11,019 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:11,020 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:11,145 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-04 02:49:11,147 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:11,147 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-04 02:49:11,157 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-03-04 02:49:11,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-04 02:49:11,316 INFO L204 MainTranslator]: Completed translation [2025-03-04 02:49:11,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11 WrapperNode [2025-03-04 02:49:11,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-04 02:49:11,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-04 02:49:11,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-04 02:49:11,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-04 02:49:11,322 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11" (1/1) ... [2025-03-04 02:49:11,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11" (1/1) ... [2025-03-04 02:49:11,433 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 62, calls inlined = 11, statements flattened = 1027 [2025-03-04 02:49:11,433 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-04 02:49:11,434 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-04 02:49:11,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-04 02:49:11,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-04 02:49:11,441 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11" (1/1) ... [2025-03-04 02:49:11,442 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11" (1/1) ... [2025-03-04 02:49:11,451 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11" (1/1) ... [2025-03-04 02:49:11,510 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [248, 2, 257, 37, 4, 8, 5, 6]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 0, 2, 2, 2, 5, 0]. The 504 writes are split as follows [236, 0, 257, 9, 0, 0, 0, 2]. [2025-03-04 02:49:11,511 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11" (1/1) ... [2025-03-04 02:49:11,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11" (1/1) ... [2025-03-04 02:49:11,558 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11" (1/1) ... [2025-03-04 02:49:11,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11" (1/1) ... [2025-03-04 02:49:11,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11" (1/1) ... [2025-03-04 02:49:11,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11" (1/1) ... [2025-03-04 02:49:11,611 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-04 02:49:11,612 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-04 02:49:11,612 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-04 02:49:11,612 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-04 02:49:11,613 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11" (1/1) ... [2025-03-04 02:49:11,620 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-04 02:49:11,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:49:11,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-04 02:49:11,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-04 02:49:11,668 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2025-03-04 02:49:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2025-03-04 02:49:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-04 02:49:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-04 02:49:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-04 02:49:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-04 02:49:11,669 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-04 02:49:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-04 02:49:11,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-04 02:49:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-04 02:49:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-04 02:49:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-04 02:49:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-04 02:49:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-03-04 02:49:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-03-04 02:49:11,670 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-04 02:49:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-04 02:49:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-04 02:49:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-04 02:49:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-04 02:49:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-04 02:49:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-04 02:49:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-04 02:49:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-04 02:49:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-04 02:49:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-04 02:49:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-04 02:49:11,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-04 02:49:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-04 02:49:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-04 02:49:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-04 02:49:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-04 02:49:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-04 02:49:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-04 02:49:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-04 02:49:11,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-04 02:49:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-04 02:49:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-04 02:49:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-04 02:49:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-04 02:49:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-04 02:49:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-04 02:49:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-04 02:49:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-04 02:49:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh32 [2025-03-04 02:49:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh32 [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-04 02:49:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-04 02:49:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-04 02:49:11,673 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-04 02:49:11,673 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-04 02:49:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-04 02:49:11,674 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-04 02:49:11,674 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-04 02:49:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-04 02:49:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-04 02:49:11,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-04 02:49:11,678 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-04 02:49:11,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-04 02:49:12,006 INFO L256 CfgBuilder]: Building ICFG [2025-03-04 02:49:12,009 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-04 02:49:12,038 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-04 02:49:12,240 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8328: call ULTIMATE.dealloc(~#slice~0#1.base, ~#slice~0#1.offset);havoc ~#slice~0#1.base, ~#slice~0#1.offset; [2025-03-04 02:49:12,241 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L8321: havoc aws_byte_cursor_advance_nospec_#t~mem1112#1;havoc aws_byte_cursor_advance_nospec_#t~mem1113#1.base, aws_byte_cursor_advance_nospec_#t~mem1113#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset);havoc aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset; [2025-03-04 02:49:12,258 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-04 02:49:12,267 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-04 02:49:12,298 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L7355: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2025-03-04 02:49:12,728 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L3992: havoc #t~nondet262; [2025-03-04 02:49:12,730 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-04 02:49:19,882 INFO L1325 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-04 02:49:19,958 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2025-03-04 02:49:19,958 INFO L307 CfgBuilder]: Performing block encoding [2025-03-04 02:49:19,978 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-04 02:49:19,978 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-04 02:49:19,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:49:19 BoogieIcfgContainer [2025-03-04 02:49:19,979 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-04 02:49:19,980 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-04 02:49:19,980 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-04 02:49:19,983 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-04 02:49:19,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.03 02:49:09" (1/3) ... [2025-03-04 02:49:19,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4cb92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:49:19, skipping insertion in model container [2025-03-04 02:49:19,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.03 02:49:11" (2/3) ... [2025-03-04 02:49:19,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a4cb92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 02:49:19, skipping insertion in model container [2025-03-04 02:49:19,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 04.03 02:49:19" (3/3) ... [2025-03-04 02:49:19,985 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be32_harness_negated.i [2025-03-04 02:49:19,995 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-04 02:49:19,996 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_read_be32_harness_negated.i that has 19 procedures, 217 locations, 1 initial locations, 16 loop locations, and 1 error locations. [2025-03-04 02:49:20,049 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-04 02:49:20,059 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;@cbeefbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-04 02:49:20,060 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-04 02:49:20,064 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 121 states have (on average 1.28099173553719) internal successors, (155), 122 states have internal predecessors, (155), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2025-03-04 02:49:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2025-03-04 02:49:20,074 INFO L210 NwaCegarLoop]: Found error trace [2025-03-04 02:49:20,074 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 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] [2025-03-04 02:49:20,075 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-04 02:49:20,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-04 02:49:20,079 INFO L85 PathProgramCache]: Analyzing trace with hash -538801373, now seen corresponding path program 1 times [2025-03-04 02:49:20,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-04 02:49:20,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490420821] [2025-03-04 02:49:20,084 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:49:20,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-04 02:50:26,606 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-03-04 02:50:27,143 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-03-04 02:50:27,143 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-04 02:50:27,143 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-04 02:50:29,248 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2025-03-04 02:50:29,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-04 02:50:29,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490420821] [2025-03-04 02:50:29,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490420821] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-04 02:50:29,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179186526] [2025-03-04 02:50:29,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-04 02:50:29,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-04 02:50:29,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-04 02:50:29,255 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-04 02:50:29,256 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process