./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.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_string_eq_byte_cursor_harness_negated.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', '749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112'] 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_string_eq_byte_cursor_harness_negated.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 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 12:03:47,441 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 12:03:47,528 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 12:03:47,533 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 12:03:47,533 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 12:03:47,549 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 12:03:47,549 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 12:03:47,549 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 12:03:47,550 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 12:03:47,550 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 12:03:47,550 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 12:03:47,550 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 12:03:47,550 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 12:03:47,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 12:03:47,550 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 12:03:47,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 12:03:47,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 12:03:47,551 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 12:03:47,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 12:03:47,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 12:03:47,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 12:03:47,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 12:03:47,551 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 12:03:47,551 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 12:03:47,551 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 12:03:47,552 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 12:03:47,552 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 12:03:47,552 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 12:03:47,552 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 12:03:47,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:03:47,552 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 12:03:47,552 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 12:03:47,552 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 12:03:47,552 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 12:03:47,552 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 12:03:47,552 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 12:03:47,553 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 12:03:47,553 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 12:03:47,553 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 12:03:47,553 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 -> 749bc7c3e2c622f5289869c5db45e560b0834c165d96fec0a030808c5f793112 [2024-11-07 12:03:47,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 12:03:47,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 12:03:47,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 12:03:47,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 12:03:47,803 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 12:03:47,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2024-11-07 12:03:49,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 12:03:49,545 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 12:03:49,545 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_cursor_harness_negated.i [2024-11-07 12:03:49,584 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6df4a4782/a3abfc6d7b034e62a46c6025fed396fd/FLAG4fd8e10d6 [2024-11-07 12:03:49,605 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6df4a4782/a3abfc6d7b034e62a46c6025fed396fd [2024-11-07 12:03:49,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 12:03:49,611 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 12:03:49,612 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 12:03:49,612 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 12:03:49,616 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 12:03:49,617 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:03:49" (1/1) ... [2024-11-07 12:03:49,617 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@344f6117 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:49, skipping insertion in model container [2024-11-07 12:03:49,617 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:03:49" (1/1) ... [2024-11-07 12:03:49,684 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 12:03:49,936 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_string_eq_byte_cursor_harness_negated.i[4499,4512] [2024-11-07 12:03:49,945 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_string_eq_byte_cursor_harness_negated.i[4559,4572] [2024-11-07 12:03:50,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:50,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:50,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:50,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:50,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:50,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:50,532 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:50,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:50,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,058 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,059 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:03:51,215 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 12:03:51,231 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_string_eq_byte_cursor_harness_negated.i[4499,4512] [2024-11-07 12:03:51,232 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_string_eq_byte_cursor_harness_negated.i[4559,4572] [2024-11-07 12:03:51,256 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,258 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,262 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,262 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,263 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,265 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-07 12:03:51,396 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,397 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 12:03:51,408 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-07 12:03:51,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 12:03:51,666 INFO L204 MainTranslator]: Completed translation [2024-11-07 12:03:51,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51 WrapperNode [2024-11-07 12:03:51,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 12:03:51,670 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 12:03:51,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 12:03:51,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 12:03:51,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51" (1/1) ... [2024-11-07 12:03:51,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51" (1/1) ... [2024-11-07 12:03:51,814 INFO L138 Inliner]: procedures = 682, calls = 2795, calls flagged for inlining = 60, calls inlined = 7, statements flattened = 879 [2024-11-07 12:03:51,815 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 12:03:51,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 12:03:51,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 12:03:51,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 12:03:51,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51" (1/1) ... [2024-11-07 12:03:51,826 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51" (1/1) ... [2024-11-07 12:03:51,834 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51" (1/1) ... [2024-11-07 12:03:51,907 INFO L175 MemorySlicer]: Split 543 memory accesses to 7 slices as follows [2, 5, 257, 238, 13, 12, 16]. 47 percent of accesses are in the largest equivalence class. The 31 initializations are split as follows [2, 5, 0, 6, 2, 0, 16]. The 493 writes are split as follows [0, 0, 257, 232, 1, 3, 0]. [2024-11-07 12:03:51,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51" (1/1) ... [2024-11-07 12:03:51,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51" (1/1) ... [2024-11-07 12:03:51,955 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51" (1/1) ... [2024-11-07 12:03:51,960 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51" (1/1) ... [2024-11-07 12:03:51,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51" (1/1) ... [2024-11-07 12:03:51,984 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51" (1/1) ... [2024-11-07 12:03:51,999 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 12:03:52,000 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 12:03:52,000 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 12:03:52,000 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 12:03:52,001 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51" (1/1) ... [2024-11-07 12:03:52,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 12:03:52,022 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:03:52,041 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 12:03:52,047 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 12:03:52,069 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-07 12:03:52,069 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-07 12:03:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 12:03:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 12:03:52,070 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-07 12:03:52,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 12:03:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 12:03:52,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 12:03:52,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 12:03:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 12:03:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 12:03:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 12:03:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 12:03:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 12:03:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 12:03:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 12:03:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 12:03:52,072 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 12:03:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 12:03:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 12:03:52,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 12:03:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 12:03:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 12:03:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-07 12:03:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 12:03:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 12:03:52,076 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 12:03:52,076 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 12:03:52,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 12:03:52,354 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 12:03:52,357 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 12:03:59,578 INFO L? ?]: Removed 99 outVars from TransFormulas that were not future-live. [2024-11-07 12:03:59,579 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 12:03:59,591 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 12:03:59,593 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 12:03:59,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:03:59 BoogieIcfgContainer [2024-11-07 12:03:59,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 12:03:59,595 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 12:03:59,596 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 12:03:59,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 12:03:59,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:03:49" (1/3) ... [2024-11-07 12:03:59,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a86398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:03:59, skipping insertion in model container [2024-11-07 12:03:59,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:03:51" (2/3) ... [2024-11-07 12:03:59,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26a86398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:03:59, skipping insertion in model container [2024-11-07 12:03:59,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:03:59" (3/3) ... [2024-11-07 12:03:59,601 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_cursor_harness_negated.i [2024-11-07 12:03:59,612 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 12:03:59,613 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 12:03:59,659 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 12:03:59,670 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;@579fcf1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 12:03:59,671 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 12:03:59,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 123 states, 82 states have (on average 1.2804878048780488) internal successors, (105), 83 states have internal predecessors, (105), 29 states have call successors, (29), 10 states have call predecessors, (29), 10 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2024-11-07 12:03:59,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-11-07 12:03:59,688 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 12:03:59,689 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 12:03:59,690 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 12:03:59,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 12:03:59,695 INFO L85 PathProgramCache]: Analyzing trace with hash 185201470, now seen corresponding path program 1 times [2024-11-07 12:03:59,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 12:03:59,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2046415488] [2024-11-07 12:03:59,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:03:59,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 12:05:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:14,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 12:05:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:14,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 12:05:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:14,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 12:05:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:14,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-07 12:05:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:14,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 12:05:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:14,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 12:05:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:14,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 12:05:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:14,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-07 12:05:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 12:05:14,953 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-07 12:05:14,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 12:05:14,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2046415488] [2024-11-07 12:05:14,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2046415488] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-07 12:05:14,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1964656768] [2024-11-07 12:05:14,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 12:05:14,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 12:05:14,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 12:05:14,958 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 12:05:14,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process