./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness_negated.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 c3c8655ca5417ded3d08bcdd390cd006a1900a04b131deb295e26f4df52f9db1 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:08:35,159 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:08:35,216 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:08:35,219 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:08:35,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:08:35,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:08:35,244 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:08:35,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:08:35,245 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:08:35,246 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:08:35,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:08:35,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:08:35,247 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:08:35,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:08:35,249 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:08:35,249 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:08:35,249 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:08:35,249 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:08:35,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:08:35,250 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:08:35,250 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:08:35,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:08:35,253 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:08:35,254 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:08:35,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:08:35,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:08:35,254 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:08:35,255 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:08:35,255 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:08:35,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:08:35,255 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:08:35,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:08:35,256 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:08:35,256 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:08:35,256 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:08:35,256 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:08:35,256 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:08:35,256 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:08:35,257 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:08:35,257 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3c8655ca5417ded3d08bcdd390cd006a1900a04b131deb295e26f4df52f9db1 [2024-11-20 10:08:35,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:08:35,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:08:35,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:08:35,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:08:35,491 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:08:35,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness_negated.i [2024-11-20 10:08:36,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:08:37,157 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:08:37,158 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness_negated.i [2024-11-20 10:08:37,195 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb77f60d/1848f36b1c154f70b049d91413bd0004/FLAGd585b0df9 [2024-11-20 10:08:37,208 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3bb77f60d/1848f36b1c154f70b049d91413bd0004 [2024-11-20 10:08:37,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:08:37,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:08:37,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:08:37,213 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:08:37,219 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:08:37,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:08:37" (1/1) ... [2024-11-20 10:08:37,220 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708611c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:37, skipping insertion in model container [2024-11-20 10:08:37,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:08:37" (1/1) ... [2024-11-20 10:08:37,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:08:37,608 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_byte_cursor_ptr_harness_negated.i[4498,4511] [2024-11-20 10:08:37,617 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_byte_cursor_ptr_harness_negated.i[4558,4571] [2024-11-20 10:08:38,271 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:38,275 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:38,276 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:38,276 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:38,277 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:38,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:38,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:38,291 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:38,292 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:38,771 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:38,772 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:38,981 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:38,985 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,024 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,028 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,047 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,047 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,065 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,065 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,065 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,065 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,066 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,094 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:08:39,133 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:08:39,147 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_byte_cursor_ptr_harness_negated.i[4498,4511] [2024-11-20 10:08:39,148 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_byte_cursor_ptr_harness_negated.i[4558,4571] [2024-11-20 10:08:39,170 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,170 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,170 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,171 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,171 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,175 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,175 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,176 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,177 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8256] [2024-11-20 10:08:39,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,261 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8742-8753] [2024-11-20 10:08:39,322 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,322 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,328 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,330 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,334 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,340 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,341 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,341 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,341 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,342 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,342 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,342 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:08:39,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:08:39,558 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:08:39,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39 WrapperNode [2024-11-20 10:08:39,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:08:39,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:08:39,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:08:39,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:08:39,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39" (1/1) ... [2024-11-20 10:08:39,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39" (1/1) ... [2024-11-20 10:08:39,740 INFO L138 Inliner]: procedures = 765, calls = 3572, calls flagged for inlining = 77, calls inlined = 6, statements flattened = 799 [2024-11-20 10:08:39,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:08:39,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:08:39,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:08:39,743 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:08:39,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39" (1/1) ... [2024-11-20 10:08:39,753 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39" (1/1) ... [2024-11-20 10:08:39,767 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39" (1/1) ... [2024-11-20 10:08:39,825 INFO L175 MemorySlicer]: Split 615 memory accesses to 9 slices as follows [2, 257, 238, 3, 7, 84, 12, 7, 5]. 42 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 0, 1, 0, 2, 1, 5]. The 499 writes are split as follows [0, 257, 232, 1, 4, 0, 1, 4, 0]. [2024-11-20 10:08:39,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39" (1/1) ... [2024-11-20 10:08:39,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39" (1/1) ... [2024-11-20 10:08:39,856 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39" (1/1) ... [2024-11-20 10:08:39,867 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39" (1/1) ... [2024-11-20 10:08:39,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39" (1/1) ... [2024-11-20 10:08:39,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39" (1/1) ... [2024-11-20 10:08:39,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:08:39,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:08:39,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:08:39,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:08:39,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39" (1/1) ... [2024-11-20 10:08:39,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:08:39,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:08:39,944 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) [2024-11-20 10:08:39,946 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 [2024-11-20 10:08:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-20 10:08:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-20 10:08:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:08:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:08:39,984 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:08:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:08:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:08:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:08:39,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:08:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:08:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:08:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-20 10:08:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-20 10:08:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-20 10:08:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:08:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:08:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:08:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:08:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:08:39,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:08:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-20 10:08:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-20 10:08:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-20 10:08:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:08:39,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:08:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:08:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:08:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:08:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:08:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:08:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:08:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:08:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:08:39,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-20 10:08:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-20 10:08:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-20 10:08:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:08:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:08:39,987 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:08:39,987 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:08:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:08:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:08:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:08:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:08:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:08:39,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:08:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-20 10:08:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-20 10:08:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-20 10:08:39,990 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:08:39,990 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:08:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:08:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:08:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:08:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:08:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:08:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:08:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:08:39,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-20 10:08:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-20 10:08:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-20 10:08:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:08:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:08:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:08:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:08:39,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:08:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:08:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-20 10:08:39,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-20 10:08:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-20 10:08:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2024-11-20 10:08:39,994 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2024-11-20 10:08:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:08:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:08:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:08:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:08:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:08:39,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:08:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-20 10:08:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-20 10:08:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-20 10:08:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:08:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:08:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:08:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:08:39,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:08:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:08:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-20 10:08:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-20 10:08:39,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-20 10:08:40,300 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:08:40,302 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:08:47,727 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !true; [2024-11-20 10:08:47,772 INFO L? ?]: Removed 391 outVars from TransFormulas that were not future-live. [2024-11-20 10:08:47,772 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:08:47,789 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:08:47,791 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-20 10:08:47,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:08:47 BoogieIcfgContainer [2024-11-20 10:08:47,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:08:47,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:08:47,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:08:47,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:08:47,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:08:37" (1/3) ... [2024-11-20 10:08:47,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293c4934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:08:47, skipping insertion in model container [2024-11-20 10:08:47,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:08:39" (2/3) ... [2024-11-20 10:08:47,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293c4934 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:08:47, skipping insertion in model container [2024-11-20 10:08:47,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:08:47" (3/3) ... [2024-11-20 10:08:47,802 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_byte_cursor_ptr_harness_negated.i [2024-11-20 10:08:47,815 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:08:47,815 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:08:47,877 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:08:47,883 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;@680453d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:08:47,883 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:08:47,888 INFO L276 IsEmpty]: Start isEmpty. Operand has 344 states, 324 states have (on average 1.5709876543209877) internal successors, (509), 324 states have internal predecessors, (509), 13 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-20 10:08:47,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-20 10:08:47,902 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:08:47,903 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:08:47,905 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:08:47,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:08:47,910 INFO L85 PathProgramCache]: Analyzing trace with hash -2079722026, now seen corresponding path program 1 times [2024-11-20 10:08:47,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:08:47,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232244255] [2024-11-20 10:08:47,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:08:47,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:10:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:10:07,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:10:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:10:07,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:10:07,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:10:07,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-20 10:10:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:10:07,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:10:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:10:07,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-20 10:10:07,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:10:07,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-20 10:10:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:10:07,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-20 10:10:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:10:07,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-20 10:10:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:10:07,657 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-20 10:10:07,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:10:07,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232244255] [2024-11-20 10:10:07,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232244255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:10:07,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:10:07,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 10:10:07,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421355384] [2024-11-20 10:10:07,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:10:07,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 10:10:07,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:10:07,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 10:10:07,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 10:10:07,689 INFO L87 Difference]: Start difference. First operand has 344 states, 324 states have (on average 1.5709876543209877) internal successors, (509), 324 states have internal predecessors, (509), 13 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 10:10:11,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:10:13,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:10:13,199 INFO L93 Difference]: Finished difference Result 683 states and 1072 transitions. [2024-11-20 10:10:13,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 10:10:13,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) Word has length 72 [2024-11-20 10:10:13,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:10:13,211 INFO L225 Difference]: With dead ends: 683 [2024-11-20 10:10:13,212 INFO L226 Difference]: Without dead ends: 338 [2024-11-20 10:10:13,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 10:10:13,221 INFO L432 NwaCegarLoop]: 496 mSDtfsCounter, 28 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 957 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2024-11-20 10:10:13,222 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 957 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 56 Invalid, 1 Unknown, 0 Unchecked, 5.4s Time] [2024-11-20 10:10:13,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2024-11-20 10:10:13,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338. [2024-11-20 10:10:13,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 318 states have (on average 1.5660377358490567) internal successors, (498), 319 states have internal predecessors, (498), 13 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-20 10:10:13,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 523 transitions. [2024-11-20 10:10:13,269 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 523 transitions. Word has length 72 [2024-11-20 10:10:13,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:10:13,269 INFO L471 AbstractCegarLoop]: Abstraction has 338 states and 523 transitions. [2024-11-20 10:10:13,269 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-20 10:10:13,269 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 523 transitions. [2024-11-20 10:10:13,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-20 10:10:13,272 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:10:13,273 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:10:13,273 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:10:13,273 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:10:13,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:10:13,274 INFO L85 PathProgramCache]: Analyzing trace with hash -2124196468, now seen corresponding path program 1 times [2024-11-20 10:10:13,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:10:13,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293680816] [2024-11-20 10:10:13,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:10:13,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms