./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_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_hash_callback_string_eq_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 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:14:16,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:14:16,297 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:14:16,305 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:14:16,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:14:16,336 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:14:16,337 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:14:16,337 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:14:16,338 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:14:16,338 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:14:16,339 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:14:16,339 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:14:16,340 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:14:16,344 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:14:16,344 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:14:16,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:14:16,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:14:16,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:14:16,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:14:16,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:14:16,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:14:16,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:14:16,347 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:14:16,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:14:16,348 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:14:16,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:14:16,349 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:14:16,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:14:16,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:14:16,350 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:14:16,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:14:16,351 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:14:16,351 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:14:16,351 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:14:16,352 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:14:16,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:14:16,352 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:14:16,352 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:14:16,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:14:16,353 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 [2024-11-09 03:14:16,618 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:14:16,643 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:14:16,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:14:16,649 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:14:16,649 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:14:16,650 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2024-11-09 03:14:18,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:14:18,646 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:14:18,648 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2024-11-09 03:14:18,704 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1032077ac/4d97b08e79ac4c88a5997519f5956766/FLAG8f7154c45 [2024-11-09 03:14:18,728 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1032077ac/4d97b08e79ac4c88a5997519f5956766 [2024-11-09 03:14:18,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:14:18,732 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:14:18,735 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:14:18,735 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:14:18,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:14:18,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:14:18" (1/1) ... [2024-11-09 03:14:18,741 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bcce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:18, skipping insertion in model container [2024-11-09 03:14:18,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:14:18" (1/1) ... [2024-11-09 03:14:18,916 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:14:19,248 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_hash_callback_string_eq_harness.i[4501,4514] [2024-11-09 03:14:19,262 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_hash_callback_string_eq_harness.i[4561,4574] [2024-11-09 03:14:20,105 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:20,106 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:20,107 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:20,107 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:20,108 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:20,122 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:20,123 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:20,125 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:20,125 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:20,740 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:20,740 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,005 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,006 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,029 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,032 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,044 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,045 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,066 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,067 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,068 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,068 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,068 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,069 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,069 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:14:21,164 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:14:21,184 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_hash_callback_string_eq_harness.i[4501,4514] [2024-11-09 03:14:21,184 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_hash_callback_string_eq_harness.i[4561,4574] [2024-11-09 03:14:21,221 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,225 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,225 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,226 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,226 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,233 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,235 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,237 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,237 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,338 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2024-11-09 03:14:21,342 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,343 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,477 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,478 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,490 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,491 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,493 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,496 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,504 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,507 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:14:21,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:14:21,816 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:14:21,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21 WrapperNode [2024-11-09 03:14:21,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:14:21,818 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:14:21,819 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:14:21,819 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:14:21,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21" (1/1) ... [2024-11-09 03:14:21,945 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21" (1/1) ... [2024-11-09 03:14:22,018 INFO L138 Inliner]: procedures = 757, calls = 3256, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 403 [2024-11-09 03:14:22,019 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:14:22,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:14:22,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:14:22,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:14:22,034 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21" (1/1) ... [2024-11-09 03:14:22,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21" (1/1) ... [2024-11-09 03:14:22,045 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21" (1/1) ... [2024-11-09 03:14:22,082 INFO L175 MemorySlicer]: Split 277 memory accesses to 4 slices as follows [2, 5, 257, 13]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0]. The 260 writes are split as follows [0, 0, 257, 3]. [2024-11-09 03:14:22,082 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21" (1/1) ... [2024-11-09 03:14:22,082 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21" (1/1) ... [2024-11-09 03:14:22,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21" (1/1) ... [2024-11-09 03:14:22,121 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21" (1/1) ... [2024-11-09 03:14:22,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21" (1/1) ... [2024-11-09 03:14:22,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21" (1/1) ... [2024-11-09 03:14:22,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:14:22,162 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:14:22,162 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:14:22,162 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:14:22,163 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21" (1/1) ... [2024-11-09 03:14:22,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:14:22,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:14:22,198 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 03:14:22,201 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 03:14:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-09 03:14:22,248 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-09 03:14:22,248 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:14:22,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:14:22,249 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:14:22,249 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:14:22,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:14:22,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:14:22,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:14:22,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:14:22,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:14:22,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:14:22,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:14:22,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:14:22,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:14:22,251 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:14:22,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:14:22,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:14:22,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:14:22,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:14:22,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:14:22,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:14:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:14:22,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:14:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:14:22,253 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:14:22,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:14:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:14:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-09 03:14:22,254 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-09 03:14:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:14:22,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:14:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:14:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:14:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:14:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:14:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:14:22,255 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:14:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:14:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:14:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:14:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:14:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-09 03:14:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-09 03:14:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:14:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:14:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:14:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:14:22,574 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:14:22,577 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:14:29,531 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2024-11-09 03:14:29,643 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-09 03:14:29,643 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:14:29,659 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:14:29,659 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 03:14:29,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:14:29 BoogieIcfgContainer [2024-11-09 03:14:29,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:14:29,663 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:14:29,663 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:14:29,666 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:14:29,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:14:18" (1/3) ... [2024-11-09 03:14:29,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5631b6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:14:29, skipping insertion in model container [2024-11-09 03:14:29,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:14:21" (2/3) ... [2024-11-09 03:14:29,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5631b6dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:14:29, skipping insertion in model container [2024-11-09 03:14:29,669 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:14:29" (3/3) ... [2024-11-09 03:14:29,670 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness.i [2024-11-09 03:14:29,686 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:14:29,686 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:14:29,741 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:14:29,748 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;@206a5e0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:14:29,748 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:14:29,752 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-09 03:14:29,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-09 03:14:29,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:14:29,764 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:14:29,764 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:14:29,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:14:29,769 INFO L85 PathProgramCache]: Analyzing trace with hash 436511225, now seen corresponding path program 1 times [2024-11-09 03:14:29,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:14:29,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452815892] [2024-11-09 03:14:29,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:14:29,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:15:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:15:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:15:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:15:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:15:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:15:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 03:15:17,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-09 03:15:17,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-09 03:15:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 03:15:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 03:15:17,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 03:15:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-09 03:15:17,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-09 03:15:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:15:17,921 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-09 03:15:17,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:15:17,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452815892] [2024-11-09 03:15:17,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452815892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:15:17,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:15:17,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:15:17,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963617206] [2024-11-09 03:15:17,925 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:15:17,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:15:17,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:15:17,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:15:17,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:15:17,960 INFO L87 Difference]: Start difference. First operand has 110 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 03:15:22,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:15:26,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:15:28,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:15:28,455 INFO L93 Difference]: Finished difference Result 217 states and 299 transitions. [2024-11-09 03:15:28,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 03:15:28,458 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 93 [2024-11-09 03:15:28,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:15:28,465 INFO L225 Difference]: With dead ends: 217 [2024-11-09 03:15:28,465 INFO L226 Difference]: Without dead ends: 104 [2024-11-09 03:15:28,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:15:28,471 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 36 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 25 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.4s IncrementalHoareTripleChecker+Time [2024-11-09 03:15:28,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 194 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 90 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2024-11-09 03:15:28,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-09 03:15:28,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-09 03:15:28,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 66 states have internal predecessors, (77), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-09 03:15:28,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2024-11-09 03:15:28,522 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 93 [2024-11-09 03:15:28,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:15:28,525 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2024-11-09 03:15:28,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 4 states have call predecessors, (14), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2024-11-09 03:15:28,525 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2024-11-09 03:15:28,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-09 03:15:28,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:15:28,530 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 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, 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 03:15:28,530 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:15:28,530 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:15:28,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:15:28,531 INFO L85 PathProgramCache]: Analyzing trace with hash 1648273971, now seen corresponding path program 1 times [2024-11-09 03:15:28,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:15:28,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812782310] [2024-11-09 03:15:28,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:15:28,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms