./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_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_byte_cursor_ptr_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', '62e39d0e38c481d46fef4d7defcfb7a98832e264f6a1ef575d03057507850723'] 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_byte_cursor_ptr_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 62e39d0e38c481d46fef4d7defcfb7a98832e264f6a1ef575d03057507850723 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:55:29,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:55:29,274 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:55:29,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:55:29,282 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:55:29,309 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:55:29,311 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:55:29,311 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:55:29,311 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:55:29,312 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:55:29,312 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:55:29,312 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:55:29,313 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:55:29,314 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:55:29,314 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:55:29,314 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:55:29,314 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:55:29,314 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:55:29,314 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:55:29,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:55:29,315 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:55:29,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:55:29,315 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:55:29,315 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:55:29,315 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:55:29,315 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:55:29,316 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:55:29,316 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:55:29,316 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:55:29,316 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:55:29,316 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:55:29,316 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:55:29,316 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:55:29,317 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:55:29,317 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:55:29,317 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:55:29,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:55:29,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:55:29,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:55:29,318 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 -> 62e39d0e38c481d46fef4d7defcfb7a98832e264f6a1ef575d03057507850723 [2024-11-07 11:55:29,606 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:55:29,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:55:29,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:55:29,617 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:55:29,617 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:55:29,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i [2024-11-07 11:55:30,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:55:31,447 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:55:31,448 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_hash_byte_cursor_ptr_harness.i [2024-11-07 11:55:31,491 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f51b7f252/15b38a5140de4ae6853e5484cc8aba7c/FLAG3ceb5f67f [2024-11-07 11:55:31,969 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f51b7f252/15b38a5140de4ae6853e5484cc8aba7c [2024-11-07 11:55:31,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:55:31,974 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:55:31,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:55:31,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:55:31,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:55:31,980 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:55:31" (1/1) ... [2024-11-07 11:55:31,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39c82f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:31, skipping insertion in model container [2024-11-07 11:55:31,981 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:55:31" (1/1) ... [2024-11-07 11:55:32,069 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:55:32,328 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_byte_cursor_ptr_harness.i[4498,4511] [2024-11-07 11:55:32,338 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_byte_cursor_ptr_harness.i[4558,4571] [2024-11-07 11:55:33,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,247 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,248 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,775 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,977 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,977 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,992 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,993 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:33,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,009 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,010 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,011 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,011 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,011 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,011 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,011 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:55:34,083 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:55:34,096 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_byte_cursor_ptr_harness.i[4498,4511] [2024-11-07 11:55:34,096 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_byte_cursor_ptr_harness.i[4558,4571] [2024-11-07 11:55:34,135 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,135 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,136 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,136 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,137 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,140 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,141 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,142 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,142 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,252 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8288] [2024-11-07 11:55:34,254 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,256 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,267 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8774-8785] [2024-11-07 11:55:34,335 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,336 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,342 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,342 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,346 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,346 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,354 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:55:34,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:55:34,620 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:55:34,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34 WrapperNode [2024-11-07 11:55:34,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:55:34,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:55:34,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:55:34,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:55:34,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34" (1/1) ... [2024-11-07 11:55:34,780 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34" (1/1) ... [2024-11-07 11:55:34,854 INFO L138 Inliner]: procedures = 765, calls = 3572, calls flagged for inlining = 77, calls inlined = 6, statements flattened = 799 [2024-11-07 11:55:34,854 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:55:34,855 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:55:34,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:55:34,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:55:34,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34" (1/1) ... [2024-11-07 11:55:34,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34" (1/1) ... [2024-11-07 11:55:34,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34" (1/1) ... [2024-11-07 11:55:34,994 INFO L175 MemorySlicer]: Split 615 memory accesses to 9 slices as follows [2, 257, 238, 7, 84, 12, 3, 7, 5]. 42 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 1, 0, 2, 0, 1, 5]. The 499 writes are split as follows [0, 257, 232, 4, 0, 1, 1, 4, 0]. [2024-11-07 11:55:34,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34" (1/1) ... [2024-11-07 11:55:34,997 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34" (1/1) ... [2024-11-07 11:55:35,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34" (1/1) ... [2024-11-07 11:55:35,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34" (1/1) ... [2024-11-07 11:55:35,082 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34" (1/1) ... [2024-11-07 11:55:35,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34" (1/1) ... [2024-11-07 11:55:35,109 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:55:35,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:55:35,111 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:55:35,111 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:55:35,112 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34" (1/1) ... [2024-11-07 11:55:35,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:55:35,134 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:55:35,150 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 11:55:35,158 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 11:55:35,176 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 11:55:35,176 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:55:35,177 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:55:35,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:55:35,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:55:35,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:55:35,178 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:55:35,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:55:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure hashlittle2 [2024-11-07 11:55:35,180 INFO L138 BoogieDeclarations]: Found implementation of procedure hashlittle2 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:55:35,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 11:55:35,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 11:55:35,501 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:55:35,503 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:55:43,452 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !true; [2024-11-07 11:55:43,518 INFO L? ?]: Removed 391 outVars from TransFormulas that were not future-live. [2024-11-07 11:55:43,518 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:55:43,533 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:55:43,534 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-07 11:55:43,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:55:43 BoogieIcfgContainer [2024-11-07 11:55:43,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:55:43,537 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:55:43,537 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:55:43,543 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:55:43,543 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:55:31" (1/3) ... [2024-11-07 11:55:43,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3180fb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:55:43, skipping insertion in model container [2024-11-07 11:55:43,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:55:34" (2/3) ... [2024-11-07 11:55:43,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3180fb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:55:43, skipping insertion in model container [2024-11-07 11:55:43,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:55:43" (3/3) ... [2024-11-07 11:55:43,545 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_byte_cursor_ptr_harness.i [2024-11-07 11:55:43,558 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:55:43,558 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:55:43,624 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:55:43,649 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;@e63b035, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:55:43,649 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:55:43,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 344 states, 324 states have (on average 1.5709876543209877) internal successors, (509), 324 states have internal predecessors, (509), 13 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-07 11:55:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-07 11:55:43,674 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:55:43,674 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:55:43,675 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:55:43,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:55:43,679 INFO L85 PathProgramCache]: Analyzing trace with hash -2079722026, now seen corresponding path program 1 times [2024-11-07 11:55:43,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:55:43,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370736074] [2024-11-07 11:55:43,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:55:43,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:57:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:10,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:57:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:10,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:57:10,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:10,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 11:57:10,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:10,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-07 11:57:10,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:10,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 11:57:10,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:10,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 11:57:10,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:11,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 11:57:11,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:11,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-07 11:57:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:57:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-07 11:57:11,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:57:11,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370736074] [2024-11-07 11:57:11,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370736074] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:57:11,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:57:11,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 11:57:11,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707529375] [2024-11-07 11:57:11,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:57:11,119 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 11:57:11,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:57:11,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 11:57:11,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:57:11,135 INFO L87 Difference]: Start difference. First operand has 344 states, 324 states have (on average 1.5709876543209877) internal successors, (509), 324 states have internal predecessors, (509), 13 states have call successors, (13), 6 states have call predecessors, (13), 6 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 1 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 11:57:15,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []