./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 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_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-?-8fc3dc6-m [2025-03-17 07:07:42,985 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 07:07:43,029 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-17 07:07:43,035 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 07:07:43,036 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 07:07:43,053 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 07:07:43,054 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 07:07:43,054 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 07:07:43,055 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 07:07:43,055 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 07:07:43,056 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 07:07:43,056 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 07:07:43,056 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 07:07:43,056 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 07:07:43,056 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 07:07:43,057 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 07:07:43,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 07:07:43,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 07:07:43,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 07:07:43,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 07:07:43,057 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 07:07:43,057 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 07:07:43,057 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 07:07:43,057 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 07:07:43,057 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 07:07:43,057 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 07:07:43,057 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 07:07:43,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 07:07:43,058 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 07:07:43,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:07:43,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 07:07:43,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 07:07:43,058 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 07:07:43,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 07:07:43,058 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 07:07:43,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 07:07:43,058 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 07:07:43,058 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 07:07:43,058 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 07:07:43,058 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 07:07:43,058 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 [2025-03-17 07:07:43,267 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 07:07:43,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 07:07:43,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 07:07:43,277 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 07:07:43,277 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 07:07:43,278 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness_negated.i [2025-03-17 07:07:44,412 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/557c0329c/835c2542c38f4e7aba72fc93d53c6188/FLAG7a2ef9689 [2025-03-17 07:07:44,863 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 07:07:44,864 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be32_harness_negated.i [2025-03-17 07:07:44,901 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/557c0329c/835c2542c38f4e7aba72fc93d53c6188/FLAG7a2ef9689 [2025-03-17 07:07:44,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/557c0329c/835c2542c38f4e7aba72fc93d53c6188 [2025-03-17 07:07:44,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 07:07:44,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 07:07:44,995 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 07:07:44,996 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 07:07:44,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 07:07:45,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:07:44" (1/1) ... [2025-03-17 07:07:45,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63bd1a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:45, skipping insertion in model container [2025-03-17 07:07:45,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 07:07:44" (1/1) ... [2025-03-17 07:07:45,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 07:07:45,288 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] [2025-03-17 07:07:45,297 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] [2025-03-17 07:07:45,735 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:45,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:45,736 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:45,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:45,737 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:45,747 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:45,747 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:45,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:45,749 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,114 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,115 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:07:46,224 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 07:07:46,232 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] [2025-03-17 07:07:46,233 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] [2025-03-17 07:07:46,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,258 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,259 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,259 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,259 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,264 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,268 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,269 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,271 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,364 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2025-03-17 07:07:46,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,365 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-17 07:07:46,374 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2025-03-17 07:07:46,390 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 07:07:46,556 INFO L204 MainTranslator]: Completed translation [2025-03-17 07:07:46,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46 WrapperNode [2025-03-17 07:07:46,557 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 07:07:46,561 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 07:07:46,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 07:07:46,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 07:07:46,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46" (1/1) ... [2025-03-17 07:07:46,614 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46" (1/1) ... [2025-03-17 07:07:46,679 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 62, calls inlined = 11, statements flattened = 1027 [2025-03-17 07:07:46,679 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 07:07:46,680 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 07:07:46,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 07:07:46,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 07:07:46,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46" (1/1) ... [2025-03-17 07:07:46,688 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46" (1/1) ... [2025-03-17 07:07:46,698 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46" (1/1) ... [2025-03-17 07:07:46,766 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [257, 2, 248, 6, 8, 4, 37, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 2, 6, 0, 2, 2, 2, 5]. The 504 writes are split as follows [257, 0, 236, 2, 0, 0, 9, 0]. [2025-03-17 07:07:46,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46" (1/1) ... [2025-03-17 07:07:46,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46" (1/1) ... [2025-03-17 07:07:46,799 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46" (1/1) ... [2025-03-17 07:07:46,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46" (1/1) ... [2025-03-17 07:07:46,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46" (1/1) ... [2025-03-17 07:07:46,822 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46" (1/1) ... [2025-03-17 07:07:46,837 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 07:07:46,838 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 07:07:46,839 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 07:07:46,839 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 07:07:46,839 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46" (1/1) ... [2025-03-17 07:07:46,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 07:07:46,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:07:46,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 07:07:46,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 07:07:46,884 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2025-03-17 07:07:46,884 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-17 07:07:46,885 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-17 07:07:46,885 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-17 07:07:46,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-17 07:07:46,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-17 07:07:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-17 07:07:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-17 07:07:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-17 07:07:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-17 07:07:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-17 07:07:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-17 07:07:46,886 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-17 07:07:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 07:07:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh32 [2025-03-17 07:07:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh32 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 07:07:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-17 07:07:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-17 07:07:46,887 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-17 07:07:46,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2025-03-17 07:07:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-17 07:07:46,889 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-17 07:07:46,889 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2025-03-17 07:07:46,890 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-17 07:07:46,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-17 07:07:47,169 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 07:07:47,172 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 07:07:47,210 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-17 07:07:47,364 INFO L1322 $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; [2025-03-17 07:07:47,364 INFO L1322 $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; [2025-03-17 07:07:47,379 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2025-03-17 07:07:47,385 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L6888: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2025-03-17 07:07:47,413 INFO L1322 $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; [2025-03-17 07:07:47,845 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L3992: havoc #t~nondet262; [2025-03-17 07:07:47,847 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-17 07:07:54,428 INFO L1322 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-17 07:07:54,515 INFO L? ?]: Removed 244 outVars from TransFormulas that were not future-live. [2025-03-17 07:07:54,515 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 07:07:54,533 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 07:07:54,535 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 07:07:54,535 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:07:54 BoogieIcfgContainer [2025-03-17 07:07:54,535 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 07:07:54,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 07:07:54,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 07:07:54,540 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 07:07:54,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 07:07:44" (1/3) ... [2025-03-17 07:07:54,541 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72792bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:07:54, skipping insertion in model container [2025-03-17 07:07:54,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 07:07:46" (2/3) ... [2025-03-17 07:07:54,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72792bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 07:07:54, skipping insertion in model container [2025-03-17 07:07:54,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 07:07:54" (3/3) ... [2025-03-17 07:07:54,543 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be32_harness_negated.i [2025-03-17 07:07:54,552 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 07:07:54,554 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_cursor_read_be32_harness_negated.i that has 19 procedures, 210 locations, 1 initial locations, 16 loop locations, and 1 error locations. [2025-03-17 07:07:54,595 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 07:07:54,606 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;@12758808, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 07:07:54,606 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-17 07:07:54,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 114 states have (on average 1.2982456140350878) internal successors, (148), 115 states have internal predecessors, (148), 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) [2025-03-17 07:07:54,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2025-03-17 07:07:54,619 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 07:07:54,619 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] [2025-03-17 07:07:54,620 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-17 07:07:54,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 07:07:54,624 INFO L85 PathProgramCache]: Analyzing trace with hash 948993164, now seen corresponding path program 1 times [2025-03-17 07:07:54,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 07:07:54,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913233840] [2025-03-17 07:07:54,631 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:07:54,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 07:08:58,586 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 122 statements into 1 equivalence classes. [2025-03-17 07:08:59,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-03-17 07:08:59,168 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 07:08:59,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 07:09:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2025-03-17 07:09:01,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 07:09:01,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913233840] [2025-03-17 07:09:01,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913233840] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 07:09:01,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265904708] [2025-03-17 07:09:01,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 07:09:01,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 07:09:01,635 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 07:09:01,637 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 07:09:01,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process