./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 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_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-3289d67-m [2024-11-16 19:57:32,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:57:32,872 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:57:32,880 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:57:32,881 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:57:32,909 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:57:32,910 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:57:32,910 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:57:32,911 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:57:32,912 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:57:32,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:57:32,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:57:32,914 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:57:32,916 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:57:32,916 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:57:32,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:57:32,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:57:32,917 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:57:32,917 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:57:32,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:57:32,918 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:57:32,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:57:32,920 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:57:32,920 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:57:32,921 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:57:32,921 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:57:32,921 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:57:32,922 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:57:32,922 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:57:32,922 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:57:32,923 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:57:32,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:57:32,930 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:57:32,930 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:57:32,930 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:57:32,931 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:57:32,931 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:57:32,931 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:57:32,931 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:57:32,932 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d89130e7d33d3f35007877506fd065e34b2a9c1315767747927e889906d4330e [2024-11-16 19:57:33,178 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:57:33,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:57:33,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:57:33,209 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:57:33,210 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:57:33,212 INFO L431 ainManager$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 [2024-11-16 19:57:34,607 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:57:35,101 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:57:35,102 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_callback_c_str_eq_harness_negated.i [2024-11-16 19:57:35,142 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb29c4d3a/11ad572635d744dbb86ce46786296e25/FLAG3b044b36a [2024-11-16 19:57:35,178 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb29c4d3a/11ad572635d744dbb86ce46786296e25 [2024-11-16 19:57:35,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:57:35,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:57:35,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:57:35,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:57:35,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:57:35,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:57:35" (1/1) ... [2024-11-16 19:57:35,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4399e540 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:35, skipping insertion in model container [2024-11-16 19:57:35,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:57:35" (1/1) ... [2024-11-16 19:57:35,311 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:57:35,685 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] [2024-11-16 19:57:35,699 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] [2024-11-16 19:57:36,672 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:36,674 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:36,674 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:36,675 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:36,676 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:36,699 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:36,700 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:36,701 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:36,702 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:37,908 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:37,909 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,217 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,218 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,248 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,249 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,258 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,258 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,280 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 19:57:38,282 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,282 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,282 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,283 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,283 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:57:38,390 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:57:38,410 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] [2024-11-16 19:57:38,411 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] [2024-11-16 19:57:38,455 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,456 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,456 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,457 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,457 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,467 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,468 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,469 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,470 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,572 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8223] [2024-11-16 19:57:38,574 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,576 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,644 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,645 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,655 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,656 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,659 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,661 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,670 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,671 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,671 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,672 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,672 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,672 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,673 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:57:38,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:57:38,949 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:57:38,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38 WrapperNode [2024-11-16 19:57:38,950 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:57:38,950 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:57:38,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:57:38,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:57:38,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38" (1/1) ... [2024-11-16 19:57:39,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38" (1/1) ... [2024-11-16 19:57:39,156 INFO L138 Inliner]: procedures = 757, calls = 3252, calls flagged for inlining = 78, calls inlined = 5, statements flattened = 337 [2024-11-16 19:57:39,157 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:57:39,158 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:57:39,158 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:57:39,158 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:57:39,171 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38" (1/1) ... [2024-11-16 19:57:39,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38" (1/1) ... [2024-11-16 19:57:39,181 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38" (1/1) ... [2024-11-16 19:57:39,213 INFO L175 MemorySlicer]: Split 267 memory accesses to 4 slices as follows [2, 5, 3, 257]. 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, 0, 257]. [2024-11-16 19:57:39,214 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38" (1/1) ... [2024-11-16 19:57:39,214 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38" (1/1) ... [2024-11-16 19:57:39,232 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38" (1/1) ... [2024-11-16 19:57:39,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38" (1/1) ... [2024-11-16 19:57:39,249 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38" (1/1) ... [2024-11-16 19:57:39,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38" (1/1) ... [2024-11-16 19:57:39,270 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:57:39,273 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:57:39,273 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:57:39,273 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:57:39,274 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38" (1/1) ... [2024-11-16 19:57:39,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:57:39,291 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:57:39,310 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 19:57:39,312 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 19:57:39,356 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:57:39,356 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:57:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:57:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:57:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:57:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:57:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:57:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:57:39,357 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:57:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:57:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:57:39,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:57:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:57:39,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:57:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:57:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:57:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:57:39,359 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:57:39,359 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:57:39,360 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:57:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:57:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:57:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:57:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:57:39,360 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:57:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:57:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_c_str_is_allocated [2024-11-16 19:57:39,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_c_str_is_allocated [2024-11-16 19:57:39,361 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-16 19:57:39,362 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-16 19:57:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:57:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:57:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:57:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:57:39,633 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:57:39,635 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:57:39,710 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6887: havoc #t~malloc562.base, #t~malloc562.offset; [2024-11-16 19:57:39,721 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:57:39,732 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:57:46,554 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L10765-1: assume true; [2024-11-16 19:57:46,554 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L10765-1: assume !true; [2024-11-16 19:57:46,628 INFO L? ?]: Removed 46 outVars from TransFormulas that were not future-live. [2024-11-16 19:57:46,630 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:57:46,644 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:57:46,644 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:57:46,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:57:46 BoogieIcfgContainer [2024-11-16 19:57:46,645 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:57:46,649 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:57:46,649 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:57:46,652 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:57:46,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:57:35" (1/3) ... [2024-11-16 19:57:46,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64843348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:57:46, skipping insertion in model container [2024-11-16 19:57:46,654 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:57:38" (2/3) ... [2024-11-16 19:57:46,654 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64843348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:57:46, skipping insertion in model container [2024-11-16 19:57:46,656 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:57:46" (3/3) ... [2024-11-16 19:57:46,657 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_c_str_eq_harness_negated.i [2024-11-16 19:57:46,674 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:57:46,674 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:57:46,746 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:57:46,755 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;@1e428024, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:57:46,756 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:57:46,760 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) [2024-11-16 19:57:46,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-16 19:57:46,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:57:46,770 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] [2024-11-16 19:57:46,771 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:57:46,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:57:46,777 INFO L85 PathProgramCache]: Analyzing trace with hash 1656585634, now seen corresponding path program 1 times [2024-11-16 19:57:46,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:57:46,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189319791] [2024-11-16 19:57:46,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:57:46,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:58:34,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:34,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:58:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:34,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:58:34,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:34,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-16 19:58:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:34,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-16 19:58:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:34,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:58:34,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:34,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-16 19:58:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:34,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-16 19:58:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:34,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-16 19:58:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:34,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-16 19:58:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:34,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-16 19:58:34,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:34,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-16 19:58:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:58:34,956 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-11-16 19:58:34,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:58:34,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189319791] [2024-11-16 19:58:34,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189319791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:58:34,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:58:34,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 19:58:34,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902822059] [2024-11-16 19:58:34,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:58:34,965 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 19:58:34,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:58:34,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 19:58:34,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:58:34,996 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) [2024-11-16 19:58:39,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:58:40,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:58:40,126 INFO L93 Difference]: Finished difference Result 142 states and 189 transitions. [2024-11-16 19:58:40,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 19:58:40,129 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 [2024-11-16 19:58:40,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:58:40,138 INFO L225 Difference]: With dead ends: 142 [2024-11-16 19:58:40,139 INFO L226 Difference]: Without dead ends: 66 [2024-11-16 19:58:40,141 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 [2024-11-16 19:58:40,144 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, 5.1s IncrementalHoareTripleChecker+Time [2024-11-16 19:58:40,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 101 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 33 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2024-11-16 19:58:40,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-16 19:58:40,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-16 19:58:40,179 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) [2024-11-16 19:58:40,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 79 transitions. [2024-11-16 19:58:40,183 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 79 transitions. Word has length 67 [2024-11-16 19:58:40,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:58:40,184 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 79 transitions. [2024-11-16 19:58:40,184 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) [2024-11-16 19:58:40,185 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 79 transitions. [2024-11-16 19:58:40,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-16 19:58:40,187 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:58:40,187 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] [2024-11-16 19:58:40,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:58:40,189 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:58:40,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:58:40,189 INFO L85 PathProgramCache]: Analyzing trace with hash -1382133919, now seen corresponding path program 1 times [2024-11-16 19:58:40,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:58:40,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900154606] [2024-11-16 19:58:40,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:58:40,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms