./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU --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 83462fd52b0417fe08640aca48aed2176277e9659a50beb2a698b577d9a2b70d --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:09:48,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:09:48,097 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:09:48,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:09:48,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:09:48,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:09:48,148 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:09:48,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:09:48,149 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:09:48,151 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:09:48,151 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:09:48,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:09:48,154 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:09:48,155 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:09:48,155 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:09:48,155 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:09:48,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:09:48,156 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:09:48,156 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:09:48,156 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:09:48,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:09:48,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:09:48,160 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:09:48,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:09:48,160 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:09:48,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:09:48,161 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:09:48,162 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:09:48,162 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:09:48,163 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:48,163 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:09:48,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:09:48,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:09:48,164 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:09:48,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:09:48,165 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:09:48,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:09:48,166 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:09:48,166 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:09:48,166 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83462fd52b0417fe08640aca48aed2176277e9659a50beb2a698b577d9a2b70d [2024-10-31 22:09:48,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:09:48,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:09:48,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:09:48,490 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:09:48,491 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:09:48,492 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i Unable to find full path for "g++" [2024-10-31 22:09:50,644 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:09:51,215 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:09:51,216 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i [2024-10-31 22:09:51,265 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU/data/de3654f5e/c0eec59091a0476bb9616cf43768cd70/FLAGf4bed3b12 [2024-10-31 22:09:51,285 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU/data/de3654f5e/c0eec59091a0476bb9616cf43768cd70 [2024-10-31 22:09:51,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:09:51,291 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:09:51,294 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:51,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:09:51,301 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:09:51,302 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:51" (1/1) ... [2024-10-31 22:09:51,303 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36ac4504 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:51, skipping insertion in model container [2024-10-31 22:09:51,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:09:51" (1/1) ... [2024-10-31 22:09:51,449 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:09:51,827 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2024-10-31 22:09:51,836 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2024-10-31 22:09:53,021 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:53,022 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:53,023 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:53,028 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:53,029 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:53,057 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:53,058 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:53,063 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:53,065 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:53,939 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:53,940 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:54,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:54,078 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:09:54,094 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513] [2024-10-31 22:09:54,094 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573] [2024-10-31 22:09:54,139 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:54,140 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:54,140 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:54,141 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:54,142 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:54,149 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:54,150 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:54,151 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:54,152 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:54,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-10-31 22:09:54,294 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:54,298 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:09:54,313 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-10-31 22:09:54,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:09:54,664 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:09:54,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54 WrapperNode [2024-10-31 22:09:54,665 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:09:54,666 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:54,666 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:09:54,666 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:09:54,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54" (1/1) ... [2024-10-31 22:09:54,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54" (1/1) ... [2024-10-31 22:09:54,854 INFO L138 Inliner]: procedures = 679, calls = 2595, calls flagged for inlining = 55, calls inlined = 3, statements flattened = 726 [2024-10-31 22:09:54,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:09:54,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:09:54,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:09:54,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:09:54,868 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54" (1/1) ... [2024-10-31 22:09:54,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54" (1/1) ... [2024-10-31 22:09:54,877 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54" (1/1) ... [2024-10-31 22:09:54,955 INFO L175 MemorySlicer]: Split 504 memory accesses to 5 slices as follows [2, 258, 238, 1, 5]. 51 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 0, 5]. The 489 writes are split as follows [0, 257, 232, 0, 0]. [2024-10-31 22:09:54,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54" (1/1) ... [2024-10-31 22:09:54,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54" (1/1) ... [2024-10-31 22:09:55,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54" (1/1) ... [2024-10-31 22:09:55,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54" (1/1) ... [2024-10-31 22:09:55,032 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54" (1/1) ... [2024-10-31 22:09:55,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54" (1/1) ... [2024-10-31 22:09:55,057 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:09:55,058 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:09:55,058 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:09:55,058 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:09:55,059 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54" (1/1) ... [2024-10-31 22:09:55,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:09:55,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:09:55,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:09:55,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4278e656-6811-4fd0-9d13-c342d471903c/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:09:55,131 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:09:55,132 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:09:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:09:55,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:09:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:09:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:09:55,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:09:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:09:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:09:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:09:55,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:09:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:09:55,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:09:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:09:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:09:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:09:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:09:55,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:09:55,137 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case [2024-10-31 22:09:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case [2024-10-31 22:09:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:09:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:09:55,138 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-31 22:09:55,138 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-31 22:09:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:09:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:09:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:09:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:09:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:09:55,139 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-31 22:09:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-31 22:09:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:09:55,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:09:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:09:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:09:55,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:09:55,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:09:55,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:09:55,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:09:55,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:09:55,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:09:55,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:09:55,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:09:55,497 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:09:55,501 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:10:04,389 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-10-31 22:10:04,389 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:10:04,401 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:10:04,402 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:10:04,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:04 BoogieIcfgContainer [2024-10-31 22:10:04,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:10:04,404 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:10:04,405 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:10:04,408 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:10:04,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:09:51" (1/3) ... [2024-10-31 22:10:04,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b78b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:04, skipping insertion in model container [2024-10-31 22:10:04,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:09:54" (2/3) ... [2024-10-31 22:10:04,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b78b35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:10:04, skipping insertion in model container [2024-10-31 22:10:04,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:10:04" (3/3) ... [2024-10-31 22:10:04,411 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i [2024-10-31 22:10:04,429 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:10:04,430 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:10:04,529 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:10:04,539 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;@10205e68, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:10:04,540 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:10:04,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 37 states have (on average 1.2432432432432432) internal successors, (46), 38 states have internal predecessors, (46), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-10-31 22:10:04,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-31 22:10:04,555 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:10:04,556 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-10-31 22:10:04,556 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:10:04,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:10:04,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1666211683, now seen corresponding path program 1 times [2024-10-31 22:10:04,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:10:04,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083302779] [2024-10-31 22:10:04,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:10:04,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms