./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_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_u8_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', 'b9b18ebf4b8789ea2f47784074870c5f6db1e5ba9b6bdc5a046638032691b06b'] 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_u8_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 b9b18ebf4b8789ea2f47784074870c5f6db1e5ba9b6bdc5a046638032691b06b --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:54:11,171 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:54:11,270 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:54:11,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:54:11,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:54:11,295 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:54:11,295 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:54:11,295 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:54:11,296 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:54:11,296 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:54:11,296 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:54:11,296 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:54:11,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:54:11,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:54:11,297 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:54:11,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:54:11,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:54:11,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:54:11,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:54:11,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:54:11,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:54:11,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:54:11,298 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:54:11,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:54:11,298 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:54:11,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:54:11,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:54:11,298 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:54:11,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:54:11,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:54:11,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:54:11,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:54:11,299 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:54:11,299 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:54:11,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:54:11,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:54:11,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:54:11,299 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:54:11,300 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:54:11,300 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 -> b9b18ebf4b8789ea2f47784074870c5f6db1e5ba9b6bdc5a046638032691b06b [2024-11-07 11:54:11,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:54:11,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:54:11,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:54:11,586 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:54:11,586 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:54:11,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness_negated.i [2024-11-07 11:54:12,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:54:13,353 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:54:13,354 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness_negated.i [2024-11-07 11:54:13,395 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/60e42b3d6/8d351eac07314f518dc883040ae9a557/FLAG496ff282c [2024-11-07 11:54:13,439 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/60e42b3d6/8d351eac07314f518dc883040ae9a557 [2024-11-07 11:54:13,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:54:13,443 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:54:13,444 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:54:13,444 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:54:13,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:54:13,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:54:13" (1/1) ... [2024-11-07 11:54:13,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7f1de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:13, skipping insertion in model container [2024-11-07 11:54:13,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:54:13" (1/1) ... [2024-11-07 11:54:13,552 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:54:13,786 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_u8_harness_negated.i[4497,4510] [2024-11-07 11:54:13,794 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_u8_harness_negated.i[4557,4570] [2024-11-07 11:54:14,335 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:14,336 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:14,337 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:14,337 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:14,338 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:14,355 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:14,355 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:14,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:14,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:14,853 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:14,854 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:14,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:54:14,963 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:54:14,978 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_u8_harness_negated.i[4497,4510] [2024-11-07 11:54:14,979 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_u8_harness_negated.i[4557,4570] [2024-11-07 11:54:15,063 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:15,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:15,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:15,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:15,065 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:15,071 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:15,072 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:15,073 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:15,074 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:15,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-07 11:54:15,199 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:15,199 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:54:15,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-07 11:54:15,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:54:15,506 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:54:15,507 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15 WrapperNode [2024-11-07 11:54:15,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:54:15,510 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:54:15,510 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:54:15,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:54:15,515 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15" (1/1) ... [2024-11-07 11:54:15,647 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15" (1/1) ... [2024-11-07 11:54:15,735 INFO L138 Inliner]: procedures = 679, calls = 2625, calls flagged for inlining = 61, calls inlined = 10, statements flattened = 1000 [2024-11-07 11:54:15,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:54:15,737 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:54:15,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:54:15,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:54:15,750 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15" (1/1) ... [2024-11-07 11:54:15,751 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15" (1/1) ... [2024-11-07 11:54:15,768 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15" (1/1) ... [2024-11-07 11:54:15,861 INFO L175 MemorySlicer]: Split 555 memory accesses to 8 slices as follows [2, 257, 4, 242, 34, 4, 7, 5]. 46 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 0, 0, 6, 2, 2, 2, 5]. The 501 writes are split as follows [0, 257, 2, 233, 9, 0, 0, 0]. [2024-11-07 11:54:15,862 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15" (1/1) ... [2024-11-07 11:54:15,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15" (1/1) ... [2024-11-07 11:54:15,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15" (1/1) ... [2024-11-07 11:54:15,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15" (1/1) ... [2024-11-07 11:54:15,942 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15" (1/1) ... [2024-11-07 11:54:15,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15" (1/1) ... [2024-11-07 11:54:15,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:54:15,983 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:54:15,983 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:54:15,983 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:54:15,984 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15" (1/1) ... [2024-11-07 11:54:15,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:54:16,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:54:16,018 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 11:54:16,022 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 11:54:16,048 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-07 11:54:16,048 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-07 11:54:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 11:54:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 11:54:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:54:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:54:16,049 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:54:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-07 11:54:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-07 11:54:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-07 11:54:16,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-07 11:54:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-07 11:54:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-07 11:54:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-07 11:54:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-07 11:54:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 11:54:16,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 11:54:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 11:54:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 11:54:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 11:54:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 11:54:16,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-07 11:54:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-07 11:54:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:54:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:54:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:54:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:54:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:54:16,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:54:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:54:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 11:54:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:54:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:54:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:54:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:54:16,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:54:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:54:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:54:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 11:54:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 11:54:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 11:54:16,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 11:54:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 11:54:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 11:54:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 11:54:16,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-07 11:54:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-07 11:54:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 11:54:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 11:54:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 11:54:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 11:54:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 11:54:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 11:54:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-07 11:54:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-07 11:54:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:54:16,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:54:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:54:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:54:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:54:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:54:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:54:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:54:16,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:54:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:54:16,058 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:54:16,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:54:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:54:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 11:54:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:54:16,059 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:54:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:54:16,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:54:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:54:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:54:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:54:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:54:16,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:54:16,063 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:54:16,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 11:54:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-07 11:54:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-07 11:54:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-07 11:54:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-07 11:54:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-07 11:54:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-07 11:54:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-07 11:54:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-07 11:54:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:54:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:54:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:54:16,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:54:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:54:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:54:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:54:16,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 11:54:16,422 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:54:16,425 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:54:25,958 INFO L? ?]: Removed 230 outVars from TransFormulas that were not future-live. [2024-11-07 11:54:25,959 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:54:25,975 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:54:25,977 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 11:54:25,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:54:25 BoogieIcfgContainer [2024-11-07 11:54:25,978 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:54:25,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:54:25,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:54:25,985 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:54:25,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:54:13" (1/3) ... [2024-11-07 11:54:25,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90f1758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:54:25, skipping insertion in model container [2024-11-07 11:54:25,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:54:15" (2/3) ... [2024-11-07 11:54:25,986 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@90f1758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:54:25, skipping insertion in model container [2024-11-07 11:54:25,986 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:54:25" (3/3) ... [2024-11-07 11:54:25,987 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_u8_harness_negated.i [2024-11-07 11:54:26,001 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:54:26,001 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:54:26,064 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:54:26,075 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;@71819428, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:54:26,076 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:54:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand has 151 states, 103 states have (on average 1.3009708737864079) internal successors, (134), 104 states have internal predecessors, (134), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-07 11:54:26,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 11:54:26,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:54:26,095 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 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 11:54:26,095 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:54:26,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:54:26,100 INFO L85 PathProgramCache]: Analyzing trace with hash 358773453, now seen corresponding path program 1 times [2024-11-07 11:54:26,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:54:26,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233995177] [2024-11-07 11:54:26,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:54:26,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:55:35,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:55:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:55:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 11:55:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 11:55:36,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 11:55:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:55:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 11:55:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 11:55:36,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 11:55:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 11:55:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:55:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:55:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:55:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:55:36,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:55:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-07 11:55:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:55:36,483 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-07 11:55:36,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:55:36,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233995177] [2024-11-07 11:55:36,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233995177] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:55:36,485 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:55:36,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 11:55:36,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620725926] [2024-11-07 11:55:36,486 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:55:36,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 11:55:36,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:55:36,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 11:55:36,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:55:36,514 INFO L87 Difference]: Start difference. First operand has 151 states, 103 states have (on average 1.3009708737864079) internal successors, (134), 104 states have internal predecessors, (134), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 11:55:40,742 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:55:42,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:55:42,558 INFO L93 Difference]: Finished difference Result 299 states and 441 transitions. [2024-11-07 11:55:42,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 11:55:42,561 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2024-11-07 11:55:42,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:55:42,567 INFO L225 Difference]: With dead ends: 299 [2024-11-07 11:55:42,567 INFO L226 Difference]: Without dead ends: 145 [2024-11-07 11:55:42,572 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:55:42,575 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 38 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 37 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2024-11-07 11:55:42,575 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 254 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 81 Invalid, 1 Unknown, 0 Unchecked, 6.0s Time] [2024-11-07 11:55:42,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2024-11-07 11:55:42,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2024-11-07 11:55:42,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 98 states have (on average 1.2857142857142858) internal successors, (126), 99 states have internal predecessors, (126), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-07 11:55:42,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 201 transitions. [2024-11-07 11:55:42,628 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 201 transitions. Word has length 107 [2024-11-07 11:55:42,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:55:42,629 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 201 transitions. [2024-11-07 11:55:42,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 11:55:42,629 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 201 transitions. [2024-11-07 11:55:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-07 11:55:42,633 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:55:42,633 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 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 11:55:42,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:55:42,634 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:55:42,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:55:42,634 INFO L85 PathProgramCache]: Analyzing trace with hash -696448629, now seen corresponding path program 1 times [2024-11-07 11:55:42,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:55:42,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187288923] [2024-11-07 11:55:42,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:55:42,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms