./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_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 405c1ec90d5a90e81495140f9bf47a8a22bd7e0c555d7b6deaec7143608df286 --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:49:03,598 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:49:03,656 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:49:03,659 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:49:03,661 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:49:03,682 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:49:03,683 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:49:03,683 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:49:03,684 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:49:03,684 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:49:03,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:49:03,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:49:03,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:49:03,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:49:03,685 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:49:03,685 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:49:03,685 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:49:03,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:49:03,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:49:03,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:49:03,686 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:49:03,686 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:49:03,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:49:03,686 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:49:03,686 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:49:03,686 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:49:03,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:49:03,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:49:03,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:49:03,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:49:03,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:49:03,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:49:03,687 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:49:03,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:49:03,687 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:49:03,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:49:03,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:49:03,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:49:03,688 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:49:03,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:49:03,688 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 -> 405c1ec90d5a90e81495140f9bf47a8a22bd7e0c555d7b6deaec7143608df286 [2025-03-08 17:49:03,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:49:03,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:49:03,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:49:03,916 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:49:03,916 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:49:03,917 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i [2025-03-08 17:49:05,083 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d957d3a16/09c5caab29f24ae982f68b3e6f4359aa/FLAGdfd0a781e [2025-03-08 17:49:05,518 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:49:05,520 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness_negated.i [2025-03-08 17:49:05,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d957d3a16/09c5caab29f24ae982f68b3e6f4359aa/FLAGdfd0a781e [2025-03-08 17:49:05,658 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d957d3a16/09c5caab29f24ae982f68b3e6f4359aa [2025-03-08 17:49:05,660 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:49:05,661 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:49:05,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:49:05,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:49:05,667 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:49:05,667 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:49:05" (1/1) ... [2025-03-08 17:49:05,668 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9661756 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:05, skipping insertion in model container [2025-03-08 17:49:05,668 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:49:05" (1/1) ... [2025-03-08 17:49:05,764 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:49:05,963 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_buf_cat_harness_negated.i[4490,4503] [2025-03-08 17:49:05,971 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_buf_cat_harness_negated.i[4550,4563] [2025-03-08 17:49:06,478 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:06,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:06,479 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:06,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:06,480 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:06,494 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:06,495 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:06,496 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:06,496 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:06,935 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:06,935 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:07,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:49:07,060 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:49:07,071 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_buf_cat_harness_negated.i[4490,4503] [2025-03-08 17:49:07,071 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_buf_cat_harness_negated.i[4550,4563] [2025-03-08 17:49:07,115 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:07,115 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:07,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:07,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:07,116 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:07,123 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:07,124 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:07,125 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:07,125 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:07,246 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2025-03-08 17:49:07,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:07,248 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:07,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2025-03-08 17:49:07,272 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:49:07,437 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:49:07,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07 WrapperNode [2025-03-08 17:49:07,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:49:07,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:49:07,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:49:07,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:49:07,445 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07" (1/1) ... [2025-03-08 17:49:07,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07" (1/1) ... [2025-03-08 17:49:07,579 INFO L138 Inliner]: procedures = 680, calls = 2722, calls flagged for inlining = 59, calls inlined = 8, statements flattened = 1083 [2025-03-08 17:49:07,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:49:07,580 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:49:07,580 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:49:07,580 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:49:07,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07" (1/1) ... [2025-03-08 17:49:07,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07" (1/1) ... [2025-03-08 17:49:07,602 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07" (1/1) ... [2025-03-08 17:49:07,662 INFO L175 MemorySlicer]: Split 627 memory accesses to 8 slices as follows [2, 257, 87, 6, 246, 17, 8, 4]. 41 percent of accesses are in the largest equivalence class. The 47 initializations are split as follows [2, 0, 28, 0, 11, 2, 4, 0]. The 500 writes are split as follows [0, 257, 3, 2, 233, 2, 0, 3]. [2025-03-08 17:49:07,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07" (1/1) ... [2025-03-08 17:49:07,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07" (1/1) ... [2025-03-08 17:49:07,706 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07" (1/1) ... [2025-03-08 17:49:07,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07" (1/1) ... [2025-03-08 17:49:07,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07" (1/1) ... [2025-03-08 17:49:07,737 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07" (1/1) ... [2025-03-08 17:49:07,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:49:07,753 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:49:07,753 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:49:07,753 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:49:07,754 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07" (1/1) ... [2025-03-08 17:49:07,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:49:07,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:49:07,786 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-08 17:49:07,792 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-08 17:49:07,808 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:49:07,809 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:49:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 17:49:07,809 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 17:49:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:49:07,809 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:49:07,809 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:49:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-08 17:49:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-08 17:49:07,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 17:49:07,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-08 17:49:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 17:49:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 17:49:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 17:49:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 17:49:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 17:49:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 17:49:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-08 17:49:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 17:49:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:49:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-08 17:49:07,812 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-08 17:49:07,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:49:07,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:49:07,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-08 17:49:07,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:49:07,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:49:07,815 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:49:07,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:49:07,815 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:49:07,815 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:49:07,816 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-03-08 17:49:07,816 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-03-08 17:49:07,816 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:49:07,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:49:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:49:07,817 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:49:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:49:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 17:49:07,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 17:49:08,114 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:49:08,116 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:49:08,151 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:49:08,211 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7353: havoc #t~mem679;havoc #t~mem680;havoc #t~short681;havoc #t~mem682.base, #t~mem682.offset;havoc #t~short683;havoc #t~mem684;havoc #t~mem685;havoc #t~mem686;havoc #t~short687;havoc #t~mem688;havoc #t~mem689.base, #t~mem689.offset;havoc #t~short690;havoc #t~short691;havoc #t~short692;havoc #t~short693; [2025-03-08 17:49:08,221 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc #t~mem477; [2025-03-08 17:49:08,248 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7363: havoc #t~mem694;havoc #t~mem695;havoc #t~mem696.base, #t~mem696.offset;havoc #t~short697;havoc #t~mem698;havoc #t~mem699.base, #t~mem699.offset;havoc #t~short700;havoc #t~short701;havoc #t~short702;havoc #t~short703; [2025-03-08 17:49:08,602 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:49:08,701 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:49:15,856 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8216: havoc aws_byte_cursor_from_buf_#t~mem1072#1;havoc aws_byte_cursor_from_buf_#t~mem1073#1.base, aws_byte_cursor_from_buf_#t~mem1073#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_from_buf_~#cur~0#1.base, aws_byte_cursor_from_buf_~#cur~0#1.offset);havoc aws_byte_cursor_from_buf_~#cur~0#1.base, aws_byte_cursor_from_buf_~#cur~0#1.offset; [2025-03-08 17:49:15,856 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7863: havoc aws_byte_buf_append_#t~ret873#1; [2025-03-08 17:49:15,940 INFO L? ?]: Removed 228 outVars from TransFormulas that were not future-live. [2025-03-08 17:49:15,940 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:49:15,949 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:49:15,949 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:49:15,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:49:15 BoogieIcfgContainer [2025-03-08 17:49:15,949 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:49:15,951 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:49:15,951 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:49:15,954 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:49:15,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:49:05" (1/3) ... [2025-03-08 17:49:15,954 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddbddc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:49:15, skipping insertion in model container [2025-03-08 17:49:15,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:07" (2/3) ... [2025-03-08 17:49:15,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ddbddc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:49:15, skipping insertion in model container [2025-03-08 17:49:15,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:49:15" (3/3) ... [2025-03-08 17:49:15,955 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_cat_harness_negated.i [2025-03-08 17:49:15,965 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:49:15,966 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_cat_harness_negated.i that has 22 procedures, 245 locations, 1 initial locations, 17 loop locations, and 1 error locations. [2025-03-08 17:49:16,010 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:49:16,019 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;@6e9d3ed2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:49:16,020 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:49:16,024 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 122 states have (on average 1.221311475409836) internal successors, (149), 123 states have internal predecessors, (149), 72 states have call successors, (72), 14 states have call predecessors, (72), 14 states have return successors, (72), 72 states have call predecessors, (72), 72 states have call successors, (72) [2025-03-08 17:49:16,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-03-08 17:49:16,039 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:49:16,039 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-08 17:49:16,040 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:49:16,044 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:49:16,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1130154883, now seen corresponding path program 1 times [2025-03-08 17:49:16,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:49:16,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940958941] [2025-03-08 17:49:16,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:49:16,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:50:22,636 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-03-08 17:50:23,125 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-03-08 17:50:23,126 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:50:23,126 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:50:23,863 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2025-03-08 17:50:23,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:50:23,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940958941] [2025-03-08 17:50:23,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940958941] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:50:23,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [682849058] [2025-03-08 17:50:23,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:50:23,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:50:23,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:50:23,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-08 17:50:23,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process