./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_buf_write_be64_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 848e8aaf2da1050f60bda552a6204df78dfc0f4df819a9c6dc06d2a6a5e3d82f --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:05:27,789 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:05:27,886 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:05:27,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:05:27,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:05:27,933 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:05:27,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:05:27,934 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:05:27,935 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:05:27,936 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:05:27,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:05:27,937 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:05:27,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:05:27,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:05:27,939 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:05:27,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:05:27,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:05:27,940 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:05:27,940 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:05:27,940 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:05:27,941 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:05:27,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:05:27,943 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:05:27,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:05:27,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:05:27,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:05:27,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:05:27,945 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:05:27,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:05:27,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:05:27,947 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:05:27,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:05:27,948 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:05:27,948 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:05:27,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:05:27,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:05:27,949 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:05:27,949 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:05:27,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:05:27,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 848e8aaf2da1050f60bda552a6204df78dfc0f4df819a9c6dc06d2a6a5e3d82f [2024-11-09 03:05:28,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:05:28,197 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:05:28,200 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:05:28,201 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:05:28,202 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:05:28,203 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2024-11-09 03:05:29,701 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:05:30,164 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:05:30,165 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be64_harness.i [2024-11-09 03:05:30,206 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d2037800/1ad3471ae076442a80049b68f28fe331/FLAG37efecc05 [2024-11-09 03:05:30,221 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d2037800/1ad3471ae076442a80049b68f28fe331 [2024-11-09 03:05:30,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:05:30,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:05:30,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:05:30,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:05:30,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:05:30,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:05:30" (1/1) ... [2024-11-09 03:05:30,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64211b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:30, skipping insertion in model container [2024-11-09 03:05:30,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:05:30" (1/1) ... [2024-11-09 03:05:30,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:05:30,613 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_write_be64_harness.i[4497,4510] [2024-11-09 03:05:30,623 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_write_be64_harness.i[4557,4570] [2024-11-09 03:05:31,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:31,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:31,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:31,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:31,580 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:31,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:31,593 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:31,595 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:31,596 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,318 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,319 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:05:32,454 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:05:32,469 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_write_be64_harness.i[4497,4510] [2024-11-09 03:05:32,474 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_write_be64_harness.i[4557,4570] [2024-11-09 03:05:32,528 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,532 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,671 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-09 03:05:32,673 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,674 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:05:32,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-09 03:05:32,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:05:32,961 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:05:32,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32 WrapperNode [2024-11-09 03:05:32,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:05:32,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:05:32,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:05:32,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:05:32,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32" (1/1) ... [2024-11-09 03:05:33,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32" (1/1) ... [2024-11-09 03:05:33,161 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 871 [2024-11-09 03:05:33,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:05:33,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:05:33,163 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:05:33,163 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:05:33,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32" (1/1) ... [2024-11-09 03:05:33,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32" (1/1) ... [2024-11-09 03:05:33,188 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32" (1/1) ... [2024-11-09 03:05:33,269 INFO L175 MemorySlicer]: Split 564 memory accesses to 8 slices as follows [2, 257, 2, 238, 4, 8, 47, 6]. 46 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [1, 0, 2, 6, 0, 5, 8, 0]. The 497 writes are split as follows [0, 257, 0, 232, 2, 1, 3, 2]. [2024-11-09 03:05:33,270 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32" (1/1) ... [2024-11-09 03:05:33,270 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32" (1/1) ... [2024-11-09 03:05:33,309 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32" (1/1) ... [2024-11-09 03:05:33,317 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32" (1/1) ... [2024-11-09 03:05:33,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32" (1/1) ... [2024-11-09 03:05:33,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32" (1/1) ... [2024-11-09 03:05:33,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:05:33,369 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:05:33,369 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:05:33,369 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:05:33,370 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32" (1/1) ... [2024-11-09 03:05:33,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:05:33,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:05:33,412 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) [2024-11-09 03:05:33,449 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 [2024-11-09 03:05:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hton64 [2024-11-09 03:05:33,497 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hton64 [2024-11-09 03:05:33,497 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:05:33,498 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:05:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:05:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:05:33,498 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:05:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:05:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:05:33,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:05:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:05:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:05:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:05:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:05:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-09 03:05:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:05:33,499 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:05:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:05:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:05:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:05:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:05:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:05:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-09 03:05:33,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:05:33,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:05:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:05:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:05:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:05:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:05:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:05:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:05:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:05:33,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:05:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:05:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-09 03:05:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 03:05:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 03:05:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:05:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:05:33,502 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:05:33,502 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:05:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:05:33,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:05:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:05:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:05:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:05:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:05:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:05:33,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:05:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:05:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-09 03:05:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:05:33,504 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:05:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:05:33,504 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:05:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:05:33,504 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:05:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:05:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:05:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:05:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:05:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:05:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:05:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-09 03:05:33,505 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-09 03:05:33,506 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-09 03:05:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:05:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:05:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:05:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:05:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:05:33,506 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:05:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:05:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-09 03:05:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:05:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:05:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:05:33,507 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:05:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:05:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:05:33,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:05:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:05:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:05:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:05:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:05:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-09 03:05:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_big_endian [2024-11-09 03:05:33,508 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_big_endian [2024-11-09 03:05:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:05:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:05:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:05:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:05:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:05:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:05:33,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:05:33,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-09 03:05:33,850 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:05:33,853 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:05:42,495 INFO L? ?]: Removed 112 outVars from TransFormulas that were not future-live. [2024-11-09 03:05:42,496 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:05:42,511 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:05:42,511 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:05:42,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:05:42 BoogieIcfgContainer [2024-11-09 03:05:42,512 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:05:42,513 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:05:42,513 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:05:42,517 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:05:42,517 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:05:30" (1/3) ... [2024-11-09 03:05:42,517 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18247adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:05:42, skipping insertion in model container [2024-11-09 03:05:42,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:05:32" (2/3) ... [2024-11-09 03:05:42,518 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18247adc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:05:42, skipping insertion in model container [2024-11-09 03:05:42,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:05:42" (3/3) ... [2024-11-09 03:05:42,519 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be64_harness.i [2024-11-09 03:05:42,534 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:05:42,535 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:05:42,607 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:05:42,616 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;@5e8f10f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:05:42,616 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:05:42,623 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 99 states have (on average 1.2323232323232323) internal successors, (122), 100 states have internal predecessors, (122), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-09 03:05:42,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 03:05:42,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:05:42,636 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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] [2024-11-09 03:05:42,637 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:05:42,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:05:42,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1920013511, now seen corresponding path program 1 times [2024-11-09 03:05:42,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:05:42,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532726676] [2024-11-09 03:05:42,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:05:42,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:06:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:07:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 03:07:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-09 03:07:00,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-09 03:07:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:07:00,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 03:07:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-09 03:07:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 03:07:00,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-09 03:07:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:07:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:07:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:07:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-09 03:07:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-09 03:07:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 03:07:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:00,344 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-09 03:07:00,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:07:00,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532726676] [2024-11-09 03:07:00,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532726676] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:07:00,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:07:00,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:07:00,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708731109] [2024-11-09 03:07:00,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:07:00,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:07:00,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:07:00,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:07:00,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:07:00,378 INFO L87 Difference]: Start difference. First operand has 151 states, 99 states have (on average 1.2323232323232323) internal successors, (122), 100 states have internal predecessors, (122), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 03:07:04,572 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:07:06,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:07:06,804 INFO L93 Difference]: Finished difference Result 293 states and 408 transitions. [2024-11-09 03:07:06,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 03:07:06,807 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) Word has length 101 [2024-11-09 03:07:06,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:07:06,816 INFO L225 Difference]: With dead ends: 293 [2024-11-09 03:07:06,816 INFO L226 Difference]: Without dead ends: 146 [2024-11-09 03:07:06,821 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:07:06,828 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 78 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 23 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-09 03:07:06,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 149 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 120 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-09 03:07:06,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-09 03:07:06,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-09 03:07:06,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 95 states have (on average 1.2105263157894737) internal successors, (115), 96 states have internal predecessors, (115), 37 states have call successors, (37), 13 states have call predecessors, (37), 13 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 03:07:06,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 188 transitions. [2024-11-09 03:07:06,884 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 188 transitions. Word has length 101 [2024-11-09 03:07:06,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:07:06,885 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 188 transitions. [2024-11-09 03:07:06,886 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (15), 2 states have call predecessors, (15), 2 states have call successors, (15) [2024-11-09 03:07:06,886 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 188 transitions. [2024-11-09 03:07:06,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-09 03:07:06,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:07:06,890 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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] [2024-11-09 03:07:06,891 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:07:06,891 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:07:06,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:07:06,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1267710013, now seen corresponding path program 1 times [2024-11-09 03:07:06,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:07:06,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965147099] [2024-11-09 03:07:06,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:07:06,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms