./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_reset_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 cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:50:33,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:50:33,377 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:50:33,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:50:33,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:50:33,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:50:33,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:50:33,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:50:33,409 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:50:33,410 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:50:33,411 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:50:33,411 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:50:33,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:50:33,412 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:50:33,412 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:50:33,412 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:50:33,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:50:33,413 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:50:33,413 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:50:33,413 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:50:33,413 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:50:33,417 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:50:33,417 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:50:33,417 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:50:33,418 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:50:33,418 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:50:33,418 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:50:33,418 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:50:33,418 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:50:33,419 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:50:33,419 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:50:33,419 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:50:33,419 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:50:33,425 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:50:33,426 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:50:33,427 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:50:33,427 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:50:33,427 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:50:33,427 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:50:33,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cda9529776bede8f1b2097af98f375819691ab0c72bb3e360b999e206011bf76 [2024-11-10 10:50:33,633 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:50:33,652 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:50:33,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:50:33,655 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:50:33,655 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:50:33,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i [2024-11-10 10:50:34,974 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:50:35,373 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:50:35,374 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reset_harness.i [2024-11-10 10:50:35,409 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac8abe2c9/d4a9589050fa432caa86b09aace6d050/FLAG299381d40 [2024-11-10 10:50:35,427 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac8abe2c9/d4a9589050fa432caa86b09aace6d050 [2024-11-10 10:50:35,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:50:35,432 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:50:35,434 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:50:35,434 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:50:35,439 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:50:35,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:50:35" (1/1) ... [2024-11-10 10:50:35,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9897407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:35, skipping insertion in model container [2024-11-10 10:50:35,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:50:35" (1/1) ... [2024-11-10 10:50:35,520 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:50:35,796 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_reset_harness.i[4492,4505] [2024-11-10 10:50:35,804 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_reset_harness.i[4552,4565] [2024-11-10 10:50:36,524 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:36,525 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:36,525 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:36,526 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:36,527 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:36,540 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:36,540 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:36,541 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:36,542 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,122 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,123 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:50:37,255 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:50:37,271 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_reset_harness.i[4492,4505] [2024-11-10 10:50:37,272 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_reset_harness.i[4552,4565] [2024-11-10 10:50:37,307 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,308 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,308 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,309 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,309 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,314 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,318 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,319 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,319 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-10 10:50:37,429 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,430 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:37,442 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-10 10:50:37,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:50:37,647 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:50:37,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37 WrapperNode [2024-11-10 10:50:37,648 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:50:37,649 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:50:37,649 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:50:37,649 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:50:37,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37" (1/1) ... [2024-11-10 10:50:37,728 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37" (1/1) ... [2024-11-10 10:50:37,806 INFO L138 Inliner]: procedures = 680, calls = 2629, calls flagged for inlining = 59, calls inlined = 7, statements flattened = 822 [2024-11-10 10:50:37,807 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:50:37,809 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:50:37,809 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:50:37,809 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:50:37,819 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37" (1/1) ... [2024-11-10 10:50:37,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37" (1/1) ... [2024-11-10 10:50:37,829 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37" (1/1) ... [2024-11-10 10:50:37,877 INFO L175 MemorySlicer]: Split 542 memory accesses to 6 slices as follows [31, 2, 257, 238, 7, 7]. 47 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [4, 2, 0, 6, 4, 5]. The 494 writes are split as follows [4, 0, 257, 232, 0, 1]. [2024-11-10 10:50:37,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37" (1/1) ... [2024-11-10 10:50:37,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37" (1/1) ... [2024-11-10 10:50:37,906 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37" (1/1) ... [2024-11-10 10:50:37,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37" (1/1) ... [2024-11-10 10:50:37,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37" (1/1) ... [2024-11-10 10:50:37,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37" (1/1) ... [2024-11-10 10:50:37,930 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:50:37,934 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:50:37,934 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:50:37,934 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:50:37,935 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37" (1/1) ... [2024-11-10 10:50:37,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:50:37,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:50:37,964 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) [2024-11-10 10:50:37,966 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 [2024-11-10 10:50:38,003 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 10:50:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 10:50:38,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:50:38,005 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:50:38,005 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:50:38,005 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:50:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:50:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:50:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:50:38,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:50:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:50:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:50:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:50:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:50:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:50:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:50:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:50:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:50:38,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:50:38,007 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-10 10:50:38,008 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-10 10:50:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:50:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:50:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:50:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:50:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:50:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:50:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:50:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:50:38,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:50:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:50:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:50:38,009 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:50:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:50:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:50:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:50:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:50:38,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:50:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:50:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:50:38,010 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:50:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:50:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:50:38,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:50:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:50:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:50:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:50:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:50:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:50:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:50:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:50:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:50:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:50:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:50:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:50:38,011 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:50:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure assert_all_bytes_are [2024-11-10 10:50:38,011 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_all_bytes_are [2024-11-10 10:50:38,011 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 10:50:38,011 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 10:50:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:50:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:50:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:50:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:50:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:50:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:50:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-10 10:50:38,012 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-10 10:50:38,012 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-10 10:50:38,013 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-10 10:50:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:50:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:50:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:50:38,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:50:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:50:38,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:50:38,233 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:50:38,236 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:50:38,265 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:50:38,292 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 10:50:38,301 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret656.base, #t~ret656.offset; [2024-11-10 10:50:38,338 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2024-11-10 10:50:38,351 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:50:45,378 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-10 10:50:45,425 INFO L? ?]: Removed 72 outVars from TransFormulas that were not future-live. [2024-11-10 10:50:45,425 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:50:45,438 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:50:45,438 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:50:45,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:50:45 BoogieIcfgContainer [2024-11-10 10:50:45,439 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:50:45,441 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:50:45,441 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:50:45,444 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:50:45,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:50:35" (1/3) ... [2024-11-10 10:50:45,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1450c604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:50:45, skipping insertion in model container [2024-11-10 10:50:45,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:37" (2/3) ... [2024-11-10 10:50:45,446 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1450c604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:50:45, skipping insertion in model container [2024-11-10 10:50:45,446 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:50:45" (3/3) ... [2024-11-10 10:50:45,447 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reset_harness.i [2024-11-10 10:50:45,461 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:50:45,461 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:50:45,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:50:45,524 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;@4f8cfdf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:50:45,526 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:50:45,530 INFO L276 IsEmpty]: Start isEmpty. Operand has 116 states, 80 states have (on average 1.225) internal successors, (98), 82 states have internal predecessors, (98), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-10 10:50:45,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 10:50:45,539 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:50:45,539 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:50:45,541 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:50:45,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:50:45,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1457348797, now seen corresponding path program 1 times [2024-11-10 10:50:45,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:50:45,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434856447] [2024-11-10 10:50:45,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:50:45,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:52:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:01,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:52:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:01,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:52:01,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:01,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-10 10:52:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:01,334 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:52:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:01,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 10:52:01,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:01,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 10:52:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-10 10:52:01,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:52:01,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434856447] [2024-11-10 10:52:01,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434856447] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:52:01,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:52:01,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 10:52:01,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109148596] [2024-11-10 10:52:01,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:52:01,377 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 10:52:01,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:52:01,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 10:52:01,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:52:01,406 INFO L87 Difference]: Start difference. First operand has 116 states, 80 states have (on average 1.225) internal successors, (98), 82 states have internal predecessors, (98), 23 states have call successors, (23), 11 states have call predecessors, (23), 11 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 10:52:05,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:52:07,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:52:07,470 INFO L93 Difference]: Finished difference Result 227 states and 299 transitions. [2024-11-10 10:52:07,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 10:52:07,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 46 [2024-11-10 10:52:07,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:52:07,478 INFO L225 Difference]: With dead ends: 227 [2024-11-10 10:52:07,479 INFO L226 Difference]: Without dead ends: 106 [2024-11-10 10:52:07,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:52:07,483 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 76 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-10 10:52:07,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 77 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 102 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-10 10:52:07,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-10 10:52:07,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2024-11-10 10:52:07,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 72 states have (on average 1.1805555555555556) internal successors, (85), 74 states have internal predecessors, (85), 23 states have call successors, (23), 11 states have call predecessors, (23), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 10:52:07,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 129 transitions. [2024-11-10 10:52:07,520 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 129 transitions. Word has length 46 [2024-11-10 10:52:07,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:52:07,520 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 129 transitions. [2024-11-10 10:52:07,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (7), 3 states have call predecessors, (7), 2 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-10 10:52:07,520 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 129 transitions. [2024-11-10 10:52:07,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-10 10:52:07,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:52:07,522 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:52:07,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:52:07,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:52:07,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:52:07,523 INFO L85 PathProgramCache]: Analyzing trace with hash -1313648832, now seen corresponding path program 1 times [2024-11-10 10:52:07,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:52:07,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905522252] [2024-11-10 10:52:07,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:52:07,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms