./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_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_byte_cursor_read_be16_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', 'df84751ae907cf8e2f81d69c2889b453b5ccdd1cae9e7b45e78c48443104a63e'] 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_byte_cursor_read_be16_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 df84751ae907cf8e2f81d69c2889b453b5ccdd1cae9e7b45e78c48443104a63e --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:53:29,004 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:53:29,075 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:53:29,082 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:53:29,082 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:53:29,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:53:29,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:53:29,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:53:29,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:53:29,104 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:53:29,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:53:29,104 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:53:29,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:53:29,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:53:29,104 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:53:29,104 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:53:29,104 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:53:29,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:53:29,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:53:29,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:53:29,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:53:29,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:53:29,104 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:53:29,105 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:53:29,105 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:53:29,105 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:53:29,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:53:29,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:53:29,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:53:29,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:53:29,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:53:29,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:53:29,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:53:29,106 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:53:29,106 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:53:29,106 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:53:29,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:53:29,107 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:53:29,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:53:29,107 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 -> df84751ae907cf8e2f81d69c2889b453b5ccdd1cae9e7b45e78c48443104a63e [2024-11-07 11:53:29,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:53:29,329 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:53:29,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:53:29,332 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:53:29,332 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:53:29,333 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i [2024-11-07 11:53:30,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:53:30,916 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:53:30,917 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness_negated.i [2024-11-07 11:53:30,957 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ea2c75484/69fa6975d36a412ea41f19ea6074c72a/FLAG47dfae7b3 [2024-11-07 11:53:30,973 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ea2c75484/69fa6975d36a412ea41f19ea6074c72a [2024-11-07 11:53:30,976 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:53:30,977 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:53:30,979 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:53:30,979 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:53:30,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:53:30,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:53:30" (1/1) ... [2024-11-07 11:53:30,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72bcf50b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:30, skipping insertion in model container [2024-11-07 11:53:30,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:53:30" (1/1) ... [2024-11-07 11:53:31,047 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:53:31,207 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_byte_cursor_read_be16_harness_negated.i[4499,4512] [2024-11-07 11:53:31,214 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_byte_cursor_read_be16_harness_negated.i[4559,4572] [2024-11-07 11:53:31,717 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:31,718 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:31,718 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:31,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:31,720 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:31,737 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:31,737 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:31,739 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:31,739 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,225 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,225 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,281 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:53:32,356 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:53:32,372 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_byte_cursor_read_be16_harness_negated.i[4499,4512] [2024-11-07 11:53:32,373 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_byte_cursor_read_be16_harness_negated.i[4559,4572] [2024-11-07 11:53:32,405 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,405 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,405 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,407 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,407 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,414 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,416 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,417 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-07 11:53:32,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:32,537 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-07 11:53:32,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:53:32,713 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:53:32,714 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32 WrapperNode [2024-11-07 11:53:32,714 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:53:32,715 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:53:32,715 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:53:32,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:53:32,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32" (1/1) ... [2024-11-07 11:53:32,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32" (1/1) ... [2024-11-07 11:53:32,864 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2024-11-07 11:53:32,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:53:32,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:53:32,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:53:32,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:53:32,871 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32" (1/1) ... [2024-11-07 11:53:32,871 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32" (1/1) ... [2024-11-07 11:53:32,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32" (1/1) ... [2024-11-07 11:53:32,943 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [257, 2, 8, 6, 4, 37, 5, 248]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 2, 2, 0, 2, 2, 5, 6]. The 504 writes are split as follows [257, 0, 0, 2, 0, 9, 0, 236]. [2024-11-07 11:53:32,943 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32" (1/1) ... [2024-11-07 11:53:32,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32" (1/1) ... [2024-11-07 11:53:32,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32" (1/1) ... [2024-11-07 11:53:33,000 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32" (1/1) ... [2024-11-07 11:53:33,015 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32" (1/1) ... [2024-11-07 11:53:33,020 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32" (1/1) ... [2024-11-07 11:53:33,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:53:33,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:53:33,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:53:33,031 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:53:33,032 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32" (1/1) ... [2024-11-07 11:53:33,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:53:33,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:53:33,063 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 11:53:33,066 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 11:53:33,085 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-07 11:53:33,085 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-07 11:53:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 11:53:33,086 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 11:53:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:53:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:53:33,086 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:53:33,086 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:53:33,087 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-07 11:53:33,088 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-07 11:53:33,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 11:53:33,088 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 11:53:33,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 11:53:33,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 11:53:33,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 11:53:33,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 11:53:33,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-07 11:53:33,091 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-07 11:53:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:53:33,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:53:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:53:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2024-11-07 11:53:33,091 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2024-11-07 11:53:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:53:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:53:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:53:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:53:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:53:33,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:53:33,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:53:33,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:53:33,092 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 11:53:33,092 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:53:33,092 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:53:33,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:53:33,093 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:53:33,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 11:53:33,403 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:53:33,405 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:53:41,298 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2024-11-07 11:53:41,299 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:53:41,307 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:53:41,308 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 11:53:41,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:53:41 BoogieIcfgContainer [2024-11-07 11:53:41,308 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:53:41,310 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:53:41,310 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:53:41,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:53:41,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:53:30" (1/3) ... [2024-11-07 11:53:41,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5637f649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:53:41, skipping insertion in model container [2024-11-07 11:53:41,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:32" (2/3) ... [2024-11-07 11:53:41,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5637f649 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:53:41, skipping insertion in model container [2024-11-07 11:53:41,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:53:41" (3/3) ... [2024-11-07 11:53:41,317 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness_negated.i [2024-11-07 11:53:41,328 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:53:41,329 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:53:41,373 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:53:41,382 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;@79caf045, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:53:41,383 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:53:41,387 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 121 states have (on average 1.28099173553719) internal successors, (155), 122 states have internal predecessors, (155), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 11:53:41,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-07 11:53:41,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:53:41,396 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:53:41,397 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:53:41,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:53:41,399 INFO L85 PathProgramCache]: Analyzing trace with hash -1639531077, now seen corresponding path program 1 times [2024-11-07 11:53:41,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:53:41,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698915374] [2024-11-07 11:53:41,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:53:41,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:54:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:54:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:54:52,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 11:54:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 11:54:52,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 11:54:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:54:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 11:54:52,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 11:54:52,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 11:54:52,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 11:54:52,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 11:54:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 11:54:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 11:54:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 11:54:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 11:54:52,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 11:54:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 11:54:52,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 11:54:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 11:54:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:52,948 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-07 11:54:52,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:54:52,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698915374] [2024-11-07 11:54:52,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698915374] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:54:52,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:54:52,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:54:52,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096080772] [2024-11-07 11:54:52,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:54:52,954 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:54:52,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:54:52,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:54:52,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:54:52,971 INFO L87 Difference]: Start difference. First operand has 182 states, 121 states have (on average 1.28099173553719) internal successors, (155), 122 states have internal predecessors, (155), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 11:54:57,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:55:01,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.55s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:55:04,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:55:04,954 INFO L93 Difference]: Finished difference Result 372 states and 545 transitions. [2024-11-07 11:55:04,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:55:04,956 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2024-11-07 11:55:04,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:55:04,963 INFO L225 Difference]: With dead ends: 372 [2024-11-07 11:55:04,963 INFO L226 Difference]: Without dead ends: 191 [2024-11-07 11:55:04,966 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:55:04,972 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 161 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 115 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.7s IncrementalHoareTripleChecker+Time [2024-11-07 11:55:04,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 309 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 174 Invalid, 2 Unknown, 0 Unchecked, 11.7s Time] [2024-11-07 11:55:04,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-07 11:55:05,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 176. [2024-11-07 11:55:05,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 116 states have (on average 1.2758620689655173) internal successors, (148), 117 states have internal predecessors, (148), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-07 11:55:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 243 transitions. [2024-11-07 11:55:05,026 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 243 transitions. Word has length 124 [2024-11-07 11:55:05,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:55:05,027 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 243 transitions. [2024-11-07 11:55:05,027 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 11:55:05,028 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 243 transitions. [2024-11-07 11:55:05,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-07 11:55:05,031 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:55:05,031 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:55:05,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:55:05,031 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:55:05,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:55:05,032 INFO L85 PathProgramCache]: Analyzing trace with hash -1846835403, now seen corresponding path program 1 times [2024-11-07 11:55:05,032 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:55:05,032 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963954174] [2024-11-07 11:55:05,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:55:05,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms