./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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_be16_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 df84751ae907cf8e2f81d69c2889b453b5ccdd1cae9e7b45e78c48443104a63e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:50:14,148 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:50:14,226 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:50:14,229 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:50:14,230 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:50:14,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:50:14,249 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:50:14,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:50:14,250 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:50:14,250 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:50:14,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:50:14,251 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:50:14,251 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:50:14,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:50:14,252 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:50:14,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:50:14,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:50:14,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:50:14,254 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:50:14,254 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:50:14,254 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:50:14,255 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:50:14,255 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:50:14,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:50:14,256 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:50:14,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:50:14,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:50:14,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:50:14,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:50:14,257 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:50:14,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:50:14,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:50:14,258 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:50:14,258 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:50:14,259 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:50:14,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:50:14,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:50:14,259 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:50:14,259 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:50:14,260 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df84751ae907cf8e2f81d69c2889b453b5ccdd1cae9e7b45e78c48443104a63e [2024-11-12 08:50:14,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:50:14,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:50:14,577 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:50:14,582 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:50:14,584 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:50:14,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i [2024-11-12 08:50:16,023 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:50:16,474 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:50:16,475 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i [2024-11-12 08:50:16,519 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f546f3f/ffda99d2ab8743f5abccf2f659a9dcc2/FLAG4ea1c9109 [2024-11-12 08:50:16,538 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f546f3f/ffda99d2ab8743f5abccf2f659a9dcc2 [2024-11-12 08:50:16,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:50:16,542 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:50:16,544 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:50:16,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:50:16,550 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:50:16,551 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:50:16" (1/1) ... [2024-11-12 08:50:16,552 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e55165b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:16, skipping insertion in model container [2024-11-12 08:50:16,552 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:50:16" (1/1) ... [2024-11-12 08:50:16,668 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:50:16,993 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_be16_harness_negated.i[4499,4512] [2024-11-12 08:50:17,004 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_be16_harness_negated.i[4559,4572] [2024-11-12 08:50:17,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:17,895 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:17,896 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:17,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:17,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:17,923 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:17,925 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:17,927 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:17,928 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:50:18,698 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:50:18,714 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_be16_harness_negated.i[4499,4512] [2024-11-12 08:50:18,720 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_be16_harness_negated.i[4559,4572] [2024-11-12 08:50:18,771 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,780 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,785 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,789 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,789 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,911 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-12 08:50:18,917 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,917 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:50:18,933 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-12 08:50:18,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:50:19,195 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:50:19,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19 WrapperNode [2024-11-12 08:50:19,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:50:19,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:50:19,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:50:19,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:50:19,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19" (1/1) ... [2024-11-12 08:50:19,304 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19" (1/1) ... [2024-11-12 08:50:19,456 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2024-11-12 08:50:19,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:50:19,457 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:50:19,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:50:19,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:50:19,468 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19" (1/1) ... [2024-11-12 08:50:19,469 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19" (1/1) ... [2024-11-12 08:50:19,478 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19" (1/1) ... [2024-11-12 08:50:19,551 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [257, 2, 6, 4, 8, 37, 248, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 2, 0, 2, 2, 2, 6, 5]. The 504 writes are split as follows [257, 0, 2, 0, 0, 9, 236, 0]. [2024-11-12 08:50:19,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19" (1/1) ... [2024-11-12 08:50:19,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19" (1/1) ... [2024-11-12 08:50:19,606 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19" (1/1) ... [2024-11-12 08:50:19,613 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19" (1/1) ... [2024-11-12 08:50:19,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19" (1/1) ... [2024-11-12 08:50:19,647 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19" (1/1) ... [2024-11-12 08:50:19,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:50:19,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:50:19,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:50:19,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:50:19,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19" (1/1) ... [2024-11-12 08:50:19,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:50:19,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:50:19,697 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) [2024-11-12 08:50:19,703 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 [2024-11-12 08:50:19,746 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-12 08:50:19,747 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-12 08:50:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-12 08:50:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-12 08:50:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:50:19,748 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:50:19,748 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:50:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-12 08:50:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-12 08:50:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-12 08:50:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-12 08:50:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-12 08:50:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-12 08:50:19,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-12 08:50:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-12 08:50:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-12 08:50:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-12 08:50:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-12 08:50:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-12 08:50:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-12 08:50:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-12 08:50:19,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-12 08:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-12 08:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-12 08:50:19,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-12 08:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-12 08:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-12 08:50:19,752 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-12 08:50:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-12 08:50:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-12 08:50:19,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-12 08:50:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-12 08:50:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-12 08:50:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-12 08:50:19,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-12 08:50:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-12 08:50:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-12 08:50:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-12 08:50:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-12 08:50:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-12 08:50:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-12 08:50:19,754 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-12 08:50:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-12 08:50:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:50:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:50:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:50:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2024-11-12 08:50:19,755 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2024-11-12 08:50:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:50:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:50:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:50:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:50:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:50:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:50:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:50:19,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-12 08:50:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-12 08:50:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:50:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:50:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:50:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:50:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-12 08:50:19,756 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-12 08:50:19,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-12 08:50:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-12 08:50:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-12 08:50:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-12 08:50:19,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-12 08:50:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-12 08:50:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-12 08:50:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-12 08:50:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:50:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:50:19,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:50:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:50:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:50:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:50:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-12 08:50:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-12 08:50:19,760 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-12 08:50:19,760 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-12 08:50:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:50:19,761 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:50:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:50:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:50:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:50:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:50:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:50:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:50:19,761 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:50:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-12 08:50:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-12 08:50:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:50:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:50:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:50:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:50:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:50:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:50:19,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-12 08:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-12 08:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-12 08:50:19,763 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-12 08:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-12 08:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-12 08:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-12 08:50:19,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-12 08:50:19,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-12 08:50:20,164 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:50:20,166 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:50:29,017 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2024-11-12 08:50:29,017 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:50:29,038 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:50:29,038 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-12 08:50:29,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:50:29 BoogieIcfgContainer [2024-11-12 08:50:29,039 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:50:29,041 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:50:29,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:50:29,070 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:50:29,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:50:16" (1/3) ... [2024-11-12 08:50:29,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6b9a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:50:29, skipping insertion in model container [2024-11-12 08:50:29,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:50:19" (2/3) ... [2024-11-12 08:50:29,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e6b9a13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:50:29, skipping insertion in model container [2024-11-12 08:50:29,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:50:29" (3/3) ... [2024-11-12 08:50:29,072 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness_negated.i [2024-11-12 08:50:29,111 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:50:29,111 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-12 08:50:29,239 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:50:29,249 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;@a9d0de, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:50:29,250 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-12 08:50:29,261 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 121 states have (on average 1.28099173553719) internal successors, (155), 122 states have internal predecessors, (155), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-12 08:50:29,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-12 08:50:29,284 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:50:29,285 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:50:29,287 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:50:29,296 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:50:29,296 INFO L85 PathProgramCache]: Analyzing trace with hash 2038141243, now seen corresponding path program 1 times [2024-11-12 08:50:29,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:50:29,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1961699223] [2024-11-12 08:50:29,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:50:29,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:51:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:51,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:51:51,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:51,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:51:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:51,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-12 08:51:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:51,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-12 08:51:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:51,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-12 08:51:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:51,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:51:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:51,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-12 08:51:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:51,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:51:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:52,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-12 08:51:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:52,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-12 08:51:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:52,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-12 08:51:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:52,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-12 08:51:52,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:52,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-12 08:51:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:52,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-12 08:51:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:52,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-12 08:51:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:52,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-12 08:51:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:52,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-12 08:51:52,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:52,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-12 08:51:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:52,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-12 08:51:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:51:52,289 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-12 08:51:52,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:51:52,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1961699223] [2024-11-12 08:51:52,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1961699223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:51:52,291 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:51:52,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 08:51:52,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070278664] [2024-11-12 08:51:52,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:51:52,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:51:52,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:51:52,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:51:52,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:51:52,323 INFO L87 Difference]: Start difference. First operand has 182 states, 121 states have (on average 1.28099173553719) internal successors, (155), 122 states have internal predecessors, (155), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19)