./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_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 d89130e7d33d3f35007877506fd065e34b2a9c1315767747927e889906d4330e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 11:00:16,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:00:16,560 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:00:16,568 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:00:16,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:00:16,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:00:16,601 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:00:16,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:00:16,602 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:00:16,603 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:00:16,604 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:00:16,604 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:00:16,605 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:00:16,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:00:16,610 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:00:16,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:00:16,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:00:16,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:00:16,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:00:16,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:00:16,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:00:16,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:00:16,613 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:00:16,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:00:16,614 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:00:16,615 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:00:16,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:00:16,616 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:00:16,616 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:00:16,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:00:16,617 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:00:16,617 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:00:16,617 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:00:16,617 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:00:16,618 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:00:16,618 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:00:16,618 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:00:16,619 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:00:16,619 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:00:16,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d89130e7d33d3f35007877506fd065e34b2a9c1315767747927e889906d4330e [2024-11-10 11:00:16,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:00:16,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:00:16,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:00:16,927 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:00:16,928 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:00:16,930 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness_negated.i [2024-11-10 11:00:18,487 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:00:18,971 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:00:18,972 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness_negated.i [2024-11-10 11:00:19,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c3dcd13a/b1ef239fd9f44819bb3ab97eed211f94/FLAGad883072f [2024-11-10 11:00:19,059 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c3dcd13a/b1ef239fd9f44819bb3ab97eed211f94 [2024-11-10 11:00:19,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:00:19,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:00:19,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:00:19,067 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:00:19,072 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:00:19,073 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:00:19" (1/1) ... [2024-11-10 11:00:19,074 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b54898c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:19, skipping insertion in model container [2024-11-10 11:00:19,089 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:00:19" (1/1) ... [2024-11-10 11:00:19,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:00:19,597 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_c_str_eq_harness_negated.i[4500,4513] [2024-11-10 11:00:19,608 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_callback_c_str_eq_harness_negated.i[4560,4573] [2024-11-10 11:00:20,726 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:20,727 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:20,728 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:20,728 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:20,729 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:20,741 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:20,742 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:20,744 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:20,744 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,519 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,519 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,880 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,881 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,910 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,911 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,971 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,972 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,992 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,993 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,993 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,994 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,994 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,994 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:21,998 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:00:22,185 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:00:22,204 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_c_str_eq_harness_negated.i[4500,4513] [2024-11-10 11:00:22,205 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_c_str_eq_harness_negated.i[4560,4573] [2024-11-10 11:00:22,246 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,249 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,249 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,250 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,250 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,261 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,261 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,262 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,263 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,368 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] [2024-11-10 11:00:22,370 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,371 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,460 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,461 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,468 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,469 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,472 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,473 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,481 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,482 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,482 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,483 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,483 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,483 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,484 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:00:22,516 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:00:22,775 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:00:22,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22 WrapperNode [2024-11-10 11:00:22,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:00:22,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:00:22,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:00:22,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:00:22,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22" (1/1) ... [2024-11-10 11:00:22,903 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22" (1/1) ... [2024-11-10 11:00:22,978 INFO L138 Inliner]: procedures = 757, calls = 3252, calls flagged for inlining = 78, calls inlined = 5, statements flattened = 337 [2024-11-10 11:00:22,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:00:22,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:00:22,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:00:22,981 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:00:22,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22" (1/1) ... [2024-11-10 11:00:22,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22" (1/1) ... [2024-11-10 11:00:23,004 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22" (1/1) ... [2024-11-10 11:00:23,042 INFO L175 MemorySlicer]: Split 267 memory accesses to 4 slices as follows [2, 5, 257, 3]. 96 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0]. The 257 writes are split as follows [0, 0, 257, 0]. [2024-11-10 11:00:23,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22" (1/1) ... [2024-11-10 11:00:23,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22" (1/1) ... [2024-11-10 11:00:23,071 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22" (1/1) ... [2024-11-10 11:00:23,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22" (1/1) ... [2024-11-10 11:00:23,084 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22" (1/1) ... [2024-11-10 11:00:23,087 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22" (1/1) ... [2024-11-10 11:00:23,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:00:23,094 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:00:23,094 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:00:23,095 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:00:23,095 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22" (1/1) ... [2024-11-10 11:00:23,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:00:23,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:00:23,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 11:00:23,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 11:00:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 11:00:23,180 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 11:00:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:00:23,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:00:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:00:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:00:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 11:00:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 11:00:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 11:00:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 11:00:23,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:00:23,181 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:00:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 11:00:23,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:00:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:00:23,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:00:23,183 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 11:00:23,183 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 11:00:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 11:00:23,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 11:00:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:00:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:00:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:00:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:00:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 11:00:23,184 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 11:00:23,184 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_c_str_is_allocated [2024-11-10 11:00:23,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_c_str_is_allocated [2024-11-10 11:00:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-10 11:00:23,185 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-10 11:00:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:00:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:00:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:00:23,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:00:23,462 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:00:23,465 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:00:23,515 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6887: havoc #t~malloc562.base, #t~malloc562.offset; [2024-11-10 11:00:23,530 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 11:00:23,538 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 11:00:30,429 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L10765-1: assume true; [2024-11-10 11:00:30,429 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L10765-1: assume !true; [2024-11-10 11:00:30,516 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-10 11:00:30,516 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:00:30,531 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:00:30,532 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:00:30,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:00:30 BoogieIcfgContainer [2024-11-10 11:00:30,533 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:00:30,536 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:00:30,536 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:00:30,539 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:00:30,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:00:19" (1/3) ... [2024-11-10 11:00:30,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f32e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:00:30, skipping insertion in model container [2024-11-10 11:00:30,541 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:00:22" (2/3) ... [2024-11-10 11:00:30,542 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f32e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:00:30, skipping insertion in model container [2024-11-10 11:00:30,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:00:30" (3/3) ... [2024-11-10 11:00:30,543 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_c_str_eq_harness_negated.i [2024-11-10 11:00:30,558 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:00:30,559 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 11:00:30,618 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:00:30,623 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;@801c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:00:30,624 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 11:00:30,628 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 46 states have internal predecessors, (53), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-10 11:00:30,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-10 11:00:30,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:00:30,638 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 11:00:30,639 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:00:30,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:00:30,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1656585634, now seen corresponding path program 1 times [2024-11-10 11:00:30,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:00:30,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806590357] [2024-11-10 11:00:30,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:00:30,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:01:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:19,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:01:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:19,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:01:19,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:19,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 11:01:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:19,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-10 11:01:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:19,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:01:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:19,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:01:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:19,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 11:01:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:19,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 11:01:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:19,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-10 11:01:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:19,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-10 11:01:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:19,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-10 11:01:19,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:01:19,942 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-10 11:01:19,943 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:01:19,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806590357] [2024-11-10 11:01:19,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806590357] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:01:19,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:01:19,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 11:01:19,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32994718] [2024-11-10 11:01:19,951 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:01:19,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 11:01:19,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:01:19,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 11:01:19,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 11:01:19,987 INFO L87 Difference]: Start difference. First operand has 73 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 46 states have internal predecessors, (53), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 11:01:24,129 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 [] [2024-11-10 11:01:25,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:01:25,228 INFO L93 Difference]: Finished difference Result 142 states and 189 transitions. [2024-11-10 11:01:25,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 11:01:25,231 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 67 [2024-11-10 11:01:25,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:01:25,237 INFO L225 Difference]: With dead ends: 142 [2024-11-10 11:01:25,237 INFO L226 Difference]: Without dead ends: 66 [2024-11-10 11:01:25,240 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 11:01:25,243 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 17 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 18 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-10 11:01:25,244 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 101 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 5.2s Time] [2024-11-10 11:01:25,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-10 11:01:25,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-10 11:01:25,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 39 states have (on average 1.0769230769230769) internal successors, (42), 40 states have internal predecessors, (42), 19 states have call successors, (19), 7 states have call predecessors, (19), 7 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-10 11:01:25,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 79 transitions. [2024-11-10 11:01:25,282 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 79 transitions. Word has length 67 [2024-11-10 11:01:25,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:01:25,284 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 79 transitions. [2024-11-10 11:01:25,284 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-10 11:01:25,284 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2024-11-10 11:01:25,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-10 11:01:25,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:01:25,287 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-10 11:01:25,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 11:01:25,288 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:01:25,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:01:25,288 INFO L85 PathProgramCache]: Analyzing trace with hash -1382133919, now seen corresponding path program 1 times [2024-11-10 11:01:25,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:01:25,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172095391] [2024-11-10 11:01:25,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:01:25,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms