./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 4f9af400
extending candidate: java
['java']
extending candidate: /usr/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/oracle-jdk-bin-*/bin/java
['java', '/usr/bin/java']
extending candidate: /opt/openjdk-*/bin/java
['java', '/usr/bin/java']
extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java
['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java']
['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '83462fd52b0417fe08640aca48aed2176277e9659a50beb2a698b577d9a2b70d']
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 83462fd52b0417fe08640aca48aed2176277e9659a50beb2a698b577d9a2b70d
--- Real Ultimate output ---
This is Ultimate 0.3.0-?-4f9af40
[2024-11-07 11:55:24,079 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-07 11:55:24,176 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-07 11:55:24,182 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-07 11:55:24,183 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-07 11:55:24,210 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-07 11:55:24,211 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-07 11:55:24,212 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-07 11:55:24,212 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-07 11:55:24,212 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-07 11:55:24,213 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-07 11:55:24,213 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-07 11:55:24,213 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-07 11:55:24,214 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-07 11:55:24,214 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-07 11:55:24,214 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-07 11:55:24,215 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-07 11:55:24,215 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-07 11:55:24,215 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-07 11:55:24,215 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-07 11:55:24,215 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-07 11:55:24,215 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-07 11:55:24,215 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-07 11:55:24,215 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-07 11:55:24,216 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-07 11:55:24,216 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-07 11:55:24,216 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-07 11:55:24,216 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-07 11:55:24,216 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-07 11:55:24,217 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 11:55:24,217 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-07 11:55:24,217 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-07 11:55:24,217 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-07 11:55:24,217 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-07 11:55:24,217 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-07 11:55:24,217 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-07 11:55:24,218 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-07 11:55:24,218 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-07 11:55:24,218 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-07 11:55:24,218 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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-jdk21/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 -> 83462fd52b0417fe08640aca48aed2176277e9659a50beb2a698b577d9a2b70d
[2024-11-07 11:55:24,531 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-07 11:55:24,539 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-07 11:55:24,542 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-07 11:55:24,544 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-07 11:55:24,544 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-07 11:55:24,546 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i
[2024-11-07 11:55:25,913 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-07 11:55:26,416 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-07 11:55:26,417 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i
[2024-11-07 11:55:26,459 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce5f77255/79b7380c7f3a4fbd8fc59c705d1e7007/FLAGa07ca252b
[2024-11-07 11:55:26,473 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ce5f77255/79b7380c7f3a4fbd8fc59c705d1e7007
[2024-11-07 11:55:26,477 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-07 11:55:26,479 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-07 11:55:26,481 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-07 11:55:26,482 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-07 11:55:26,486 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-07 11:55:26,487 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:55:26" (1/1) ...
[2024-11-07 11:55:26,488 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53830293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:26, skipping insertion in model container
[2024-11-07 11:55:26,488 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:55:26" (1/1) ...
[2024-11-07 11:55:26,597 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-07 11:55:26,870 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513]
[2024-11-07 11:55:26,879 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573]
[2024-11-07 11:55:27,612 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:27,613 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:27,613 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:27,614 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:27,615 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:27,628 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:27,628 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:27,629 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:27,630 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,154 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,155 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,217 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 11:55:28,278 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-07 11:55:28,294 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4500,4513]
[2024-11-07 11:55:28,299 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_array_ignore_case_harness.i[4560,4573]
[2024-11-07 11:55:28,351 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,352 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,352 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,353 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,353 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,358 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,359 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,360 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,360 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,517 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269]
[2024-11-07 11:55:28,519 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,519 WARN  L1674              CHandler]: Possible shadowing of function index
[2024-11-07 11:55:28,530 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__(""
                         :




                         : "r"(pBuf)




                         : "memory"); [8755-8766]
[2024-11-07 11:55:28,546 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-07 11:55:28,754 INFO  L204         MainTranslator]: Completed translation
[2024-11-07 11:55:28,755 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28 WrapperNode
[2024-11-07 11:55:28,755 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-07 11:55:28,757 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-07 11:55:28,757 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-07 11:55:28,757 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-07 11:55:28,763 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28" (1/1) ...
[2024-11-07 11:55:28,835 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28" (1/1) ...
[2024-11-07 11:55:28,918 INFO  L138                Inliner]: procedures = 679, calls = 2595, calls flagged for inlining = 55, calls inlined = 3, statements flattened = 726
[2024-11-07 11:55:28,919 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-07 11:55:28,920 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-07 11:55:28,920 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-07 11:55:28,920 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-07 11:55:28,931 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28" (1/1) ...
[2024-11-07 11:55:28,932 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28" (1/1) ...
[2024-11-07 11:55:28,943 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28" (1/1) ...
[2024-11-07 11:55:29,025 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].
[2024-11-07 11:55:29,026 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28" (1/1) ...
[2024-11-07 11:55:29,026 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28" (1/1) ...
[2024-11-07 11:55:29,074 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28" (1/1) ...
[2024-11-07 11:55:29,081 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28" (1/1) ...
[2024-11-07 11:55:29,093 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28" (1/1) ...
[2024-11-07 11:55:29,100 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28" (1/1) ...
[2024-11-07 11:55:29,114 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-07 11:55:29,119 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-07 11:55:29,119 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-07 11:55:29,119 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-07 11:55:29,120 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28" (1/1) ...
[2024-11-07 11:55:29,129 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-07 11:55:29,149 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3
[2024-11-07 11:55:29,166 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-07 11:55:29,169 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-07 11:55:29,197 INFO  L130     BoogieDeclarations]: Found specification of procedure nondet_bool
[2024-11-07 11:55:29,197 INFO  L138     BoogieDeclarations]: Found implementation of procedure nondet_bool
[2024-11-07 11:55:29,198 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#0
[2024-11-07 11:55:29,198 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#1
[2024-11-07 11:55:29,199 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#2
[2024-11-07 11:55:29,199 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#3
[2024-11-07 11:55:29,199 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int#4
[2024-11-07 11:55:29,199 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-07 11:55:29,199 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-07 11:55:29,199 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-07 11:55:29,200 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-07 11:55:29,200 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-07 11:55:29,200 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-07 11:55:29,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-07 11:55:29,200 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-07 11:55:29,200 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-07 11:55:29,200 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-07 11:55:29,200 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-07 11:55:29,200 INFO  L130     BoogieDeclarations]: Found specification of procedure aws_hash_array_ignore_case
[2024-11-07 11:55:29,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure aws_hash_array_ignore_case
[2024-11-07 11:55:29,201 INFO  L130     BoogieDeclarations]: Found specification of procedure bounded_malloc
[2024-11-07 11:55:29,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure bounded_malloc
[2024-11-07 11:55:29,201 INFO  L130     BoogieDeclarations]: Found specification of procedure nondet_size_t
[2024-11-07 11:55:29,201 INFO  L138     BoogieDeclarations]: Found implementation of procedure nondet_size_t
[2024-11-07 11:55:29,201 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0
[2024-11-07 11:55:29,201 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1
[2024-11-07 11:55:29,201 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2
[2024-11-07 11:55:29,202 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3
[2024-11-07 11:55:29,202 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4
[2024-11-07 11:55:29,203 INFO  L130     BoogieDeclarations]: Found specification of procedure can_fail_malloc
[2024-11-07 11:55:29,203 INFO  L138     BoogieDeclarations]: Found implementation of procedure can_fail_malloc
[2024-11-07 11:55:29,203 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-07 11:55:29,203 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-07 11:55:29,203 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-07 11:55:29,203 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-07 11:55:29,203 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-07 11:55:29,203 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-07 11:55:29,203 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-07 11:55:29,203 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-07 11:55:29,203 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-07 11:55:29,203 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-07 11:55:29,203 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-07 11:55:29,203 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-07 11:55:29,500 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-07 11:55:29,502 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-07 11:55:37,703 INFO  L?                        ?]: Removed 28 outVars from TransFormulas that were not future-live.
[2024-11-07 11:55:37,703 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-07 11:55:37,716 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-07 11:55:37,717 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-07 11:55:37,718 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:55:37 BoogieIcfgContainer
[2024-11-07 11:55:37,718 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-07 11:55:37,721 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-07 11:55:37,721 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-07 11:55:37,726 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-07 11:55:37,727 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:55:26" (1/3) ...
[2024-11-07 11:55:37,728 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48caddc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:55:37, skipping insertion in model container
[2024-11-07 11:55:37,728 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:28" (2/3) ...
[2024-11-07 11:55:37,728 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48caddc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:55:37, skipping insertion in model container
[2024-11-07 11:55:37,729 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:55:37" (3/3) ...
[2024-11-07 11:55:37,730 INFO  L112   eAbstractionObserver]: Analyzing ICFG aws_hash_array_ignore_case_harness.i
[2024-11-07 11:55:37,746 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-07 11:55:37,746 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-07 11:55:37,801 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-07 11:55:37,813 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;@64e79033, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-07 11:55:37,813 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-07 11:55:37,817 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)
[2024-11-07 11:55:37,824 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2024-11-07 11:55:37,825 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 11:55:37,825 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]
[2024-11-07 11:55:37,826 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 11:55:37,830 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:55:37,830 INFO  L85        PathProgramCache]: Analyzing trace with hash -1666211683, now seen corresponding path program 1 times
[2024-11-07 11:55:37,837 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:55:37,838 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1634259474]
[2024-11-07 11:55:37,838 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:55:37,839 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-07 11:56:50,898 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:56:51,874 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2024-11-07 11:56:51,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:56:51,899 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2024-11-07 11:56:51,902 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:56:52,003 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-07 11:56:52,017 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:56:52,030 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-07 11:56:52,034 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:56:52,045 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-07 11:56:52,047 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:56:52,057 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28
[2024-11-07 11:56:52,062 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:56:52,080 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2024-11-07 11:56:52,081 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-07 11:56:52,098 INFO  L134       CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-07 11:56:52,100 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-07 11:56:52,100 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1634259474]
[2024-11-07 11:56:52,101 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1634259474] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-07 11:56:52,101 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-07 11:56:52,102 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-07 11:56:52,103 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085842086]
[2024-11-07 11:56:52,103 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-07 11:56:52,107 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-07 11:56:52,107 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-07 11:56:52,126 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-07 11:56:52,126 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 11:56:52,128 INFO  L87              Difference]: Start difference. First 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) Second operand  has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-07 11:56:56,352 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []
[2024-11-07 11:56:57,478 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-07 11:56:57,479 INFO  L93              Difference]: Finished difference Result 107 states and 134 transitions.
[2024-11-07 11:56:57,480 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-07 11:56:57,481 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 45
[2024-11-07 11:56:57,482 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-07 11:56:57,487 INFO  L225             Difference]: With dead ends: 107
[2024-11-07 11:56:57,487 INFO  L226             Difference]: Without dead ends: 53
[2024-11-07 11:56:57,490 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-07 11:56:57,493 INFO  L432           NwaCegarLoop]: 32 mSDtfsCounter, 33 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 9 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time
[2024-11-07 11:56:57,494 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 43 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 39 Invalid, 1 Unknown, 0 Unchecked, 5.3s Time]
[2024-11-07 11:56:57,507 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-11-07 11:56:57,522 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 50.
[2024-11-07 11:56:57,523 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 50 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 33 states have internal predecessors, (38), 10 states have call successors, (10), 7 states have call predecessors, (10), 6 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9)
[2024-11-07 11:56:57,530 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 57 transitions.
[2024-11-07 11:56:57,532 INFO  L78                 Accepts]: Start accepts. Automaton has 50 states and 57 transitions. Word has length 45
[2024-11-07 11:56:57,532 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-07 11:56:57,533 INFO  L471      AbstractCegarLoop]: Abstraction has 50 states and 57 transitions.
[2024-11-07 11:56:57,533 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (8), 3 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-07 11:56:57,533 INFO  L276                IsEmpty]: Start isEmpty. Operand 50 states and 57 transitions.
[2024-11-07 11:56:57,534 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2024-11-07 11:56:57,534 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-07 11:56:57,535 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]
[2024-11-07 11:56:57,535 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-07 11:56:57,536 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-07 11:56:57,537 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-07 11:56:57,537 INFO  L85        PathProgramCache]: Analyzing trace with hash 829934363, now seen corresponding path program 1 times
[2024-11-07 11:56:57,538 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-07 11:56:57,538 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146485942]
[2024-11-07 11:56:57,539 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-07 11:56:57,542 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms