./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 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_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-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:57:34,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:57:34,785 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:57:34,790 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:57:34,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:57:34,811 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:57:34,812 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:57:34,812 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:57:34,813 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:57:34,813 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:57:34,813 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:57:34,814 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:57:34,814 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:57:34,814 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:57:34,815 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:57:34,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:57:34,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:57:34,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:57:34,816 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:57:34,817 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:57:34,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:57:34,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:57:34,818 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:57:34,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:57:34,819 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:57:34,819 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:57:34,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:57:34,820 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:57:34,820 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:57:34,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:57:34,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:57:34,821 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:57:34,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:57:34,822 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:57:34,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:57:34,823 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:57:34,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:57:34,823 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:57:34,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:57:34,824 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 617e08addfe2d13b261907959d3757079a581721356bb3e7b4090decaff2b168 [2024-11-16 19:57:35,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:57:35,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:57:35,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:57:35,104 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:57:35,104 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:57:35,105 INFO L431 ainManager$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 [2024-11-16 19:57:36,489 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:57:36,979 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:57:36,980 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_string_eq_harness.i [2024-11-16 19:57:37,032 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cf54598/86eebd23c9d240b68e2b396195026e94/FLAG6c7aef87e [2024-11-16 19:57:37,049 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/50cf54598/86eebd23c9d240b68e2b396195026e94 [2024-11-16 19:57:37,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:57:37,054 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:57:37,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:57:37,057 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:57:37,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:57:37,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:57:37" (1/1) ... [2024-11-16 19:57:37,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71e3442b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:37, skipping insertion in model container [2024-11-16 19:57:37,067 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:57:37" (1/1) ... [2024-11-16 19:57:37,182 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:57:37,494 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] [2024-11-16 19:57:37,504 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] [2024-11-16 19:57:38,261 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,262 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,262 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,263 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,264 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,275 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,277 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,279 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,281 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,878 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,879 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,137 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,138 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,153 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,154 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,158 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,158 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,167 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,168 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,169 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,169 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,169 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,169 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,170 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:57:39,257 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:57:39,277 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] [2024-11-16 19:57:39,277 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] [2024-11-16 19:57:39,307 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,307 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,307 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,307 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,308 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,394 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,394 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,395 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,404 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,556 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2024-11-16 19:57:39,559 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,559 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,628 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,629 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,634 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,634 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,636 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,636 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,642 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,645 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,646 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,646 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,646 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,647 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,648 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:39,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:57:39,936 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:57:39,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39 WrapperNode [2024-11-16 19:57:39,936 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:57:39,937 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:57:39,937 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:57:39,937 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:57:39,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39" (1/1) ... [2024-11-16 19:57:40,059 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39" (1/1) ... [2024-11-16 19:57:40,124 INFO L138 Inliner]: procedures = 757, calls = 3256, calls flagged for inlining = 77, calls inlined = 7, statements flattened = 402 [2024-11-16 19:57:40,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:57:40,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:57:40,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:57:40,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:57:40,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39" (1/1) ... [2024-11-16 19:57:40,142 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39" (1/1) ... [2024-11-16 19:57:40,151 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39" (1/1) ... [2024-11-16 19:57:40,188 INFO L175 MemorySlicer]: Split 277 memory accesses to 4 slices as follows [2, 13, 257, 5]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 5]. The 260 writes are split as follows [0, 3, 257, 0]. [2024-11-16 19:57:40,191 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39" (1/1) ... [2024-11-16 19:57:40,192 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39" (1/1) ... [2024-11-16 19:57:40,222 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39" (1/1) ... [2024-11-16 19:57:40,223 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39" (1/1) ... [2024-11-16 19:57:40,232 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39" (1/1) ... [2024-11-16 19:57:40,235 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39" (1/1) ... [2024-11-16 19:57:40,250 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:57:40,254 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:57:40,254 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:57:40,254 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:57:40,255 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39" (1/1) ... [2024-11-16 19:57:40,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:57:40,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:57:40,286 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 19:57:40,291 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 19:57:40,333 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-16 19:57:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-16 19:57:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-16 19:57:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-16 19:57:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:57:40,334 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:57:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:57:40,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:57:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:57:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:57:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:57:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:57:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:57:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:57:40,335 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:57:40,336 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:57:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:57:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:57:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:57:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:57:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:57:40,336 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:57:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:57:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:57:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:57:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:57:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:57:40,337 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:57:40,337 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-16 19:57:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-16 19:57:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:57:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:57:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:57:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:57:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:57:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:57:40,338 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:57:40,338 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:57:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:57:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:57:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:57:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:57:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-16 19:57:40,339 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-16 19:57:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:57:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:57:40,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:57:40,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:57:40,666 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:57:40,668 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:57:40,704 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6899: havoc #t~malloc562.base, #t~malloc562.offset; [2024-11-16 19:57:40,710 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:57:40,735 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6257: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2024-11-16 19:57:40,739 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:57:40,779 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6816: havoc #t~ret548#1.base, #t~ret548#1.offset; [2024-11-16 19:57:40,801 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7705: havoc #t~nondet820; [2024-11-16 19:57:47,067 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L11074: havoc aws_string_eq_#t~mem2108#1;havoc aws_string_eq_#t~mem2109#1;havoc aws_string_eq_#t~ret2110#1; [2024-11-16 19:57:47,068 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L10810-1: assume true; [2024-11-16 19:57:47,072 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L10810-1: assume !true; [2024-11-16 19:57:47,189 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-16 19:57:47,189 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:57:47,203 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:57:47,204 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:57:47,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:57:47 BoogieIcfgContainer [2024-11-16 19:57:47,204 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:57:47,206 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:57:47,206 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:57:47,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:57:47,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:57:37" (1/3) ... [2024-11-16 19:57:47,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa13a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:57:47, skipping insertion in model container [2024-11-16 19:57:47,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:39" (2/3) ... [2024-11-16 19:57:47,211 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fa13a9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:57:47, skipping insertion in model container [2024-11-16 19:57:47,212 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:57:47" (3/3) ... [2024-11-16 19:57:47,214 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness.i [2024-11-16 19:57:47,229 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:57:47,229 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:57:47,292 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:57:47,297 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;@55470233, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:57:47,297 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:57:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 73 states have internal predecessors, (89), 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) [2024-11-16 19:57:47,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-16 19:57:47,313 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:57:47,314 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] [2024-11-16 19:57:47,315 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:57:47,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:57:47,320 INFO L85 PathProgramCache]: Analyzing trace with hash 496683778, now seen corresponding path program 1 times [2024-11-16 19:57:47,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:57:47,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262129045] [2024-11-16 19:57:47,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:57:47,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:58:35,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:35,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:58:35,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:35,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:58:35,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:35,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:58:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:36,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-16 19:58:36,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:36,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:58:36,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:36,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-16 19:58:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:36,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-16 19:58:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:36,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-16 19:58:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:36,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 19:58:36,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:36,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-16 19:58:36,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:36,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-16 19:58:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:36,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-16 19:58:36,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:36,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-11-16 19:58:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:36,218 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-16 19:58:36,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:58:36,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262129045] [2024-11-16 19:58:36,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262129045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:58:36,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:58:36,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-16 19:58:36,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238292509] [2024-11-16 19:58:36,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:58:36,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-16 19:58:36,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:58:36,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-16 19:58:36,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 19:58:36,253 INFO L87 Difference]: Start difference. First operand has 112 states, 72 states have (on average 1.2361111111111112) internal successors, (89), 73 states have internal predecessors, (89), 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) [2024-11-16 19:58:40,391 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:58:44,797 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:58:46,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:58:46,741 INFO L93 Difference]: Finished difference Result 220 states and 302 transitions. [2024-11-16 19:58:46,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 19:58:46,744 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 [2024-11-16 19:58:46,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:58:46,751 INFO L225 Difference]: With dead ends: 220 [2024-11-16 19:58:46,751 INFO L226 Difference]: Without dead ends: 105 [2024-11-16 19:58:46,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-16 19:58:46,756 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 36 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 25 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 197 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 [2024-11-16 19:58:46,757 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 197 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 90 Invalid, 2 Unknown, 0 Unchecked, 10.4s Time] [2024-11-16 19:58:46,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-16 19:58:46,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-16 19:58:46,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 66 states have (on average 1.1818181818181819) internal successors, (78), 67 states have internal predecessors, (78), 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) [2024-11-16 19:58:46,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 133 transitions. [2024-11-16 19:58:46,794 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 133 transitions. Word has length 93 [2024-11-16 19:58:46,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:58:46,796 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 133 transitions. [2024-11-16 19:58:46,796 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) [2024-11-16 19:58:46,796 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2024-11-16 19:58:46,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-11-16 19:58:46,800 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:58:46,800 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, 1] [2024-11-16 19:58:46,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:58:46,800 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:58:46,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:58:46,801 INFO L85 PathProgramCache]: Analyzing trace with hash 721091456, now seen corresponding path program 1 times [2024-11-16 19:58:46,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:58:46,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516826875] [2024-11-16 19:58:46,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:58:46,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms