./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e2fb8bed Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f --- Real Ultimate output --- This is Ultimate 0.3.0-?-e2fb8be-m [2025-03-08 17:48:58,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-08 17:48:58,527 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2025-03-08 17:48:58,536 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-08 17:48:58,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-08 17:48:58,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-08 17:48:58,556 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-08 17:48:58,556 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-08 17:48:58,557 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-08 17:48:58,557 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-08 17:48:58,558 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-08 17:48:58,558 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-08 17:48:58,558 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-08 17:48:58,558 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-08 17:48:58,559 INFO L153 SettingsManager]: * Use SBE=true [2025-03-08 17:48:58,559 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-08 17:48:58,559 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-08 17:48:58,559 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-08 17:48:58,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-08 17:48:58,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-08 17:48:58,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-08 17:48:58,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-08 17:48:58,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-08 17:48:58,560 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-08 17:48:58,560 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-08 17:48:58,560 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-08 17:48:58,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-08 17:48:58,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-08 17:48:58,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-08 17:48:58,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:48:58,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-08 17:48:58,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-08 17:48:58,561 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-08 17:48:58,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-08 17:48:58,562 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-08 17:48:58,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-08 17:48:58,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-08 17:48:58,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-08 17:48:58,562 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-08 17:48:58,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-08 17:48:58,562 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 -> 19d158b21d92d4655e874a970c31120f676a50dd3149e2b62ecc8e8738919e4f [2025-03-08 17:48:58,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-08 17:48:58,819 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-08 17:48:58,823 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-08 17:48:58,824 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-08 17:48:58,824 INFO L274 PluginConnector]: CDTParser initialized [2025-03-08 17:48:58,825 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2025-03-08 17:49:00,021 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ecea194/e510c06097fc49fc824c3ebbfca95c88/FLAGc7a1d03d8 [2025-03-08 17:49:00,502 INFO L384 CDTParser]: Found 1 translation units. [2025-03-08 17:49:00,502 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_cat_harness.i [2025-03-08 17:49:00,533 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ecea194/e510c06097fc49fc824c3ebbfca95c88/FLAGc7a1d03d8 [2025-03-08 17:49:00,551 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8ecea194/e510c06097fc49fc824c3ebbfca95c88 [2025-03-08 17:49:00,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-08 17:49:00,555 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-08 17:49:00,556 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-08 17:49:00,556 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-08 17:49:00,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-08 17:49:00,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:00,560 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2913649e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:00, skipping insertion in model container [2025-03-08 17:49:00,560 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.03 05:49:00" (1/1) ... [2025-03-08 17:49:00,636 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-08 17:49:00,894 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.i[4490,4503] [2025-03-08 17:49:00,902 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.i[4550,4563] [2025-03-08 17:49:01,577 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:01,578 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:01,579 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:01,579 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:01,580 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:01,590 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:01,591 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:01,592 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:01,593 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,121 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,121 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:49:02,259 INFO L200 MainTranslator]: Completed pre-run [2025-03-08 17:49:02,275 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.i[4490,4503] [2025-03-08 17:49:02,276 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.i[4550,4563] [2025-03-08 17:49:02,316 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,317 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,318 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,324 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,326 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,326 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,438 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2025-03-08 17:49:02,439 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,440 WARN L1731 CHandler]: Possible shadowing of function index [2025-03-08 17:49:02,450 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2025-03-08 17:49:02,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-08 17:49:02,628 INFO L204 MainTranslator]: Completed translation [2025-03-08 17:49:02,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02 WrapperNode [2025-03-08 17:49:02,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-08 17:49:02,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-08 17:49:02,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-08 17:49:02,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-08 17:49:02,635 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02" (1/1) ... [2025-03-08 17:49:02,693 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02" (1/1) ... [2025-03-08 17:49:02,784 INFO L138 Inliner]: procedures = 680, calls = 2722, calls flagged for inlining = 59, calls inlined = 8, statements flattened = 1083 [2025-03-08 17:49:02,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-08 17:49:02,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-08 17:49:02,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-08 17:49:02,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-08 17:49:02,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02" (1/1) ... [2025-03-08 17:49:02,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02" (1/1) ... [2025-03-08 17:49:02,810 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02" (1/1) ... [2025-03-08 17:49:02,881 INFO L175 MemorySlicer]: Split 627 memory accesses to 8 slices as follows [87, 2, 257, 4, 17, 8, 6, 246]. 41 percent of accesses are in the largest equivalence class. The 47 initializations are split as follows [28, 2, 0, 0, 2, 4, 0, 11]. The 500 writes are split as follows [3, 0, 257, 3, 2, 0, 2, 233]. [2025-03-08 17:49:02,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02" (1/1) ... [2025-03-08 17:49:02,882 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02" (1/1) ... [2025-03-08 17:49:02,926 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02" (1/1) ... [2025-03-08 17:49:02,930 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02" (1/1) ... [2025-03-08 17:49:02,938 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02" (1/1) ... [2025-03-08 17:49:02,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02" (1/1) ... [2025-03-08 17:49:02,963 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-08 17:49:02,966 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-08 17:49:02,966 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-08 17:49:02,967 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-08 17:49:02,968 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02" (1/1) ... [2025-03-08 17:49:02,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-08 17:49:02,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:49:02,998 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 17:49:03,001 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 17:49:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2025-03-08 17:49:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2025-03-08 17:49:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2025-03-08 17:49:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2025-03-08 17:49:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-03-08 17:49:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2025-03-08 17:49:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2025-03-08 17:49:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2025-03-08 17:49:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2025-03-08 17:49:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2025-03-08 17:49:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2025-03-08 17:49:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2025-03-08 17:49:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2025-03-08 17:49:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2025-03-08 17:49:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2025-03-08 17:49:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2025-03-08 17:49:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2025-03-08 17:49:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2025-03-08 17:49:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2025-03-08 17:49:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2025-03-08 17:49:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2025-03-08 17:49:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2025-03-08 17:49:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2025-03-08 17:49:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2025-03-08 17:49:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2025-03-08 17:49:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2025-03-08 17:49:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2025-03-08 17:49:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2025-03-08 17:49:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2025-03-08 17:49:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2025-03-08 17:49:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-08 17:49:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-08 17:49:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2025-03-08 17:49:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-08 17:49:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-08 17:49:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2025-03-08 17:49:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2025-03-08 17:49:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2025-03-08 17:49:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2025-03-08 17:49:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2025-03-08 17:49:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2025-03-08 17:49:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2025-03-08 17:49:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-03-08 17:49:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2025-03-08 17:49:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2025-03-08 17:49:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2025-03-08 17:49:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2025-03-08 17:49:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2025-03-08 17:49:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2025-03-08 17:49:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2025-03-08 17:49:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-08 17:49:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-03-08 17:49:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-03-08 17:49:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-03-08 17:49:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-03-08 17:49:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-03-08 17:49:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-03-08 17:49:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-03-08 17:49:03,349 INFO L256 CfgBuilder]: Building ICFG [2025-03-08 17:49:03,352 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-08 17:49:03,406 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2025-03-08 17:49:03,445 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7385: 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 17:49:03,458 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc #t~mem477; [2025-03-08 17:49:03,482 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7395: 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 17:49:03,934 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2025-03-08 17:49:04,082 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2025-03-08 17:49:11,553 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L8248: 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 17:49:11,554 INFO L1307 $ProcedureCfgBuilder]: dead code at ProgramPoint L7895: havoc aws_byte_buf_append_#t~ret873#1; [2025-03-08 17:49:11,652 INFO L? ?]: Removed 228 outVars from TransFormulas that were not future-live. [2025-03-08 17:49:11,653 INFO L307 CfgBuilder]: Performing block encoding [2025-03-08 17:49:11,662 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-08 17:49:11,662 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-08 17:49:11,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:49:11 BoogieIcfgContainer [2025-03-08 17:49:11,663 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-08 17:49:11,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-08 17:49:11,665 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-08 17:49:11,670 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-08 17:49:11,670 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.03 05:49:00" (1/3) ... [2025-03-08 17:49:11,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67389831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:49:11, skipping insertion in model container [2025-03-08 17:49:11,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.03 05:49:02" (2/3) ... [2025-03-08 17:49:11,671 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67389831 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.03 05:49:11, skipping insertion in model container [2025-03-08 17:49:11,671 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.03 05:49:11" (3/3) ... [2025-03-08 17:49:11,672 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_cat_harness.i [2025-03-08 17:49:11,682 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-08 17:49:11,683 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_byte_buf_cat_harness.i that has 22 procedures, 245 locations, 1 initial locations, 17 loop locations, and 1 error locations. [2025-03-08 17:49:11,729 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-08 17:49:11,739 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;@45741cf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-08 17:49:11,739 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-03-08 17:49:11,744 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 17:49:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2025-03-08 17:49:11,760 INFO L210 NwaCegarLoop]: Found error trace [2025-03-08 17:49:11,761 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 17:49:11,761 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-03-08 17:49:11,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-08 17:49:11,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1130154883, now seen corresponding path program 1 times [2025-03-08 17:49:11,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-08 17:49:11,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524198380] [2025-03-08 17:49:11,773 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:49:11,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-08 17:50:19,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 211 statements into 1 equivalence classes. [2025-03-08 17:50:20,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 211 of 211 statements. [2025-03-08 17:50:20,171 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-08 17:50:20,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-08 17:50:20,957 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 17:50:20,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-08 17:50:20,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524198380] [2025-03-08 17:50:20,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524198380] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-08 17:50:20,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478722156] [2025-03-08 17:50:20,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-08 17:50:20,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-08 17:50:20,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-08 17:50:20,961 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 17:50:20,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process