./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_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 884fded8e66f5d1fb48ea41b5fc2a80efc48c733a21e019f076525ed24611a3d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:49:59,226 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:49:59,309 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:49:59,317 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:49:59,326 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:49:59,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:49:59,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:49:59,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:49:59,353 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:49:59,356 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:49:59,357 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:49:59,357 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:49:59,357 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:49:59,358 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:49:59,358 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:49:59,358 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:49:59,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:49:59,358 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:49:59,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:49:59,359 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:49:59,361 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:49:59,362 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:49:59,362 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:49:59,362 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:49:59,362 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:49:59,363 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:49:59,363 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:49:59,363 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:49:59,363 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:49:59,364 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:49:59,364 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:49:59,364 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:49:59,364 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:49:59,364 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:49:59,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:49:59,365 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:49:59,365 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:49:59,365 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:49:59,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:49:59,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 884fded8e66f5d1fb48ea41b5fc2a80efc48c733a21e019f076525ed24611a3d [2024-11-16 19:49:59,615 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:49:59,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:49:59,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:49:59,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:49:59,644 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:49:59,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i [2024-11-16 19:50:01,137 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:50:01,613 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:50:01,616 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness.i [2024-11-16 19:50:01,655 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/275d82a62/8e2045c32353401ea8ed2ebbe3d10b06/FLAG9736e7958 [2024-11-16 19:50:01,671 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/275d82a62/8e2045c32353401ea8ed2ebbe3d10b06 [2024-11-16 19:50:01,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:50:01,675 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:50:01,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:50:01,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:50:01,681 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:50:01,683 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:50:01" (1/1) ... [2024-11-16 19:50:01,684 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64331d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:01, skipping insertion in model container [2024-11-16 19:50:01,684 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:50:01" (1/1) ... [2024-11-16 19:50:01,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:50:02,133 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_harness.i[4492,4505] [2024-11-16 19:50:02,140 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_harness.i[4552,4565] [2024-11-16 19:50:02,828 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:02,829 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:02,830 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:02,830 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:02,831 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:02,842 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:02,843 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:02,844 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:02,845 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,356 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,360 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:50:03,547 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:50:03,561 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_harness.i[4492,4505] [2024-11-16 19:50:03,562 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_harness.i[4552,4565] [2024-11-16 19:50:03,596 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,597 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,597 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,597 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,598 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,602 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,602 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,603 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,604 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,694 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-16 19:50:03,696 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,696 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:03,705 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-16 19:50:03,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:50:03,889 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:50:03,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03 WrapperNode [2024-11-16 19:50:03,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:50:03,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:50:03,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:50:03,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:50:03,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03" (1/1) ... [2024-11-16 19:50:03,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03" (1/1) ... [2024-11-16 19:50:04,053 INFO L138 Inliner]: procedures = 679, calls = 2631, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 873 [2024-11-16 19:50:04,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:50:04,054 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:50:04,054 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:50:04,054 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:50:04,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03" (1/1) ... [2024-11-16 19:50:04,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03" (1/1) ... [2024-11-16 19:50:04,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03" (1/1) ... [2024-11-16 19:50:04,168 INFO L175 MemorySlicer]: Split 562 memory accesses to 6 slices as follows [2, 49, 257, 238, 10, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 8, 0, 6, 5, 0]. The 495 writes are split as follows [0, 3, 257, 232, 1, 2]. [2024-11-16 19:50:04,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03" (1/1) ... [2024-11-16 19:50:04,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03" (1/1) ... [2024-11-16 19:50:04,217 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03" (1/1) ... [2024-11-16 19:50:04,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03" (1/1) ... [2024-11-16 19:50:04,235 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03" (1/1) ... [2024-11-16 19:50:04,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03" (1/1) ... [2024-11-16 19:50:04,260 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:50:04,262 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:50:04,262 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:50:04,263 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:50:04,264 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03" (1/1) ... [2024-11-16 19:50:04,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:50:04,278 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:50:04,294 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) [2024-11-16 19:50:04,299 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 [2024-11-16 19:50:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:50:04,340 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:50:04,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:50:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:50:04,341 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:50:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-16 19:50:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-16 19:50:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-16 19:50:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-16 19:50:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-16 19:50:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-16 19:50:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 19:50:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 19:50:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 19:50:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 19:50:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 19:50:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 19:50:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:50:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:50:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:50:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:50:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:50:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:50:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:50:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:50:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:50:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:50:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:50:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:50:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-16 19:50:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-16 19:50:04,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-16 19:50:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-16 19:50:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-16 19:50:04,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-16 19:50:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-16 19:50:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-16 19:50:04,344 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-16 19:50:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-16 19:50:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-16 19:50:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-16 19:50:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:50:04,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:50:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:50:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:50:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:50:04,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:50:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:50:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:50:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:50:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:50:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:50:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:50:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:50:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:50:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:50:04,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:50:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 19:50:04,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 19:50:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 19:50:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 19:50:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 19:50:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 19:50:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:50:04,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:50:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:50:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:50:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:50:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:50:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:50:04,348 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:50:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:50:04,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:50:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:50:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:50:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:50:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:50:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:50:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-16 19:50:04,349 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-16 19:50:04,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:50:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:50:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:50:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:50:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:50:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:50:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:50:04,350 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:50:04,350 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:50:04,351 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:50:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:50:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:50:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:50:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:50:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:50:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:50:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-16 19:50:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-16 19:50:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-16 19:50:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-16 19:50:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-16 19:50:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-16 19:50:04,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:50:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:50:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:50:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:50:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:50:04,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:50:04,733 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:50:04,735 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:50:04,773 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:50:04,792 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:50:04,881 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7377: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2024-11-16 19:50:04,894 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:50:12,869 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:50:12,965 INFO L? ?]: Removed 194 outVars from TransFormulas that were not future-live. [2024-11-16 19:50:12,965 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:50:12,982 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:50:12,983 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:50:12,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:50:12 BoogieIcfgContainer [2024-11-16 19:50:12,984 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:50:12,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:50:12,987 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:50:12,990 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:50:12,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:50:01" (1/3) ... [2024-11-16 19:50:12,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7b39aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:50:12, skipping insertion in model container [2024-11-16 19:50:12,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:03" (2/3) ... [2024-11-16 19:50:12,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d7b39aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:50:12, skipping insertion in model container [2024-11-16 19:50:12,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:50:12" (3/3) ... [2024-11-16 19:50:12,997 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_harness.i [2024-11-16 19:50:13,016 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:50:13,016 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:50:13,094 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:50:13,101 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;@1eab630d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:50:13,104 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:50:13,109 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-16 19:50:13,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-16 19:50:13,121 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:50:13,122 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 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] [2024-11-16 19:50:13,122 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:50:13,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:50:13,130 INFO L85 PathProgramCache]: Analyzing trace with hash -1777889353, now seen corresponding path program 1 times [2024-11-16 19:50:13,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:50:13,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867855771] [2024-11-16 19:50:13,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:50:13,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:51:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:30,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:51:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:30,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:51:30,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:30,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 19:51:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:30,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 19:51:30,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:30,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:51:30,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:30,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-16 19:51:30,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:30,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 19:51:30,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:30,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 19:51:30,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:30,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 19:51:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:30,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 19:51:30,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:30,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 19:51:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-16 19:51:30,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:51:30,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867855771] [2024-11-16 19:51:30,647 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867855771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:51:30,647 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:51:30,647 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 19:51:30,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660374597] [2024-11-16 19:51:30,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:51:30,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 19:51:30,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:51:30,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 19:51:30,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:51:30,675 INFO L87 Difference]: Start difference. First operand has 131 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-16 19:51:34,871 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 [] [2024-11-16 19:51:36,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:51:36,875 INFO L93 Difference]: Finished difference Result 258 states and 366 transitions. [2024-11-16 19:51:36,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 19:51:36,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 77 [2024-11-16 19:51:36,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:51:36,884 INFO L225 Difference]: With dead ends: 258 [2024-11-16 19:51:36,884 INFO L226 Difference]: Without dead ends: 125 [2024-11-16 19:51:36,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:51:36,890 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 70 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-16 19:51:36,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 134 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 104 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-11-16 19:51:36,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-16 19:51:36,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-16 19:51:36,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 82 states have (on average 1.2560975609756098) internal successors, (103), 83 states have internal predecessors, (103), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-16 19:51:36,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 166 transitions. [2024-11-16 19:51:36,938 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 166 transitions. Word has length 77 [2024-11-16 19:51:36,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:51:36,940 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 166 transitions. [2024-11-16 19:51:36,940 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-16 19:51:36,940 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 166 transitions. [2024-11-16 19:51:36,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-16 19:51:36,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:51:36,943 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 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] [2024-11-16 19:51:36,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:51:36,946 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:51:36,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:51:36,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1555625652, now seen corresponding path program 1 times [2024-11-16 19:51:36,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:51:36,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883443630] [2024-11-16 19:51:36,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:51:36,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms