./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '1e1b2479546ce911ed527b938020405849e60d55228e9e448b0bdaf9e8ba6509'] 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_buf_write_be16_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1e1b2479546ce911ed527b938020405849e60d55228e9e448b0bdaf9e8ba6509 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:46:58,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:46:58,981 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:46:58,986 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:46:58,987 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:46:59,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:46:59,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:46:59,019 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:46:59,019 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:46:59,019 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:46:59,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:46:59,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:46:59,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:46:59,020 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:46:59,020 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:46:59,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:46:59,021 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:46:59,021 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:46:59,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:46:59,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:46:59,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:46:59,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:46:59,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:46:59,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:46:59,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:46:59,021 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 -> 1e1b2479546ce911ed527b938020405849e60d55228e9e448b0bdaf9e8ba6509 [2024-11-07 11:46:59,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:46:59,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:46:59,290 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:46:59,291 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:46:59,291 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:46:59,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2024-11-07 11:47:00,548 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:47:01,104 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:47:01,105 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_be16_harness.i [2024-11-07 11:47:01,144 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3567dad2b/4c1ec99881f24a69895e4edcb0eb88b1/FLAG248909c4e [2024-11-07 11:47:01,653 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3567dad2b/4c1ec99881f24a69895e4edcb0eb88b1 [2024-11-07 11:47:01,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:47:01,657 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:47:01,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:47:01,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:47:01,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:47:01,664 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:47:01" (1/1) ... [2024-11-07 11:47:01,666 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31be56ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:01, skipping insertion in model container [2024-11-07 11:47:01,666 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:47:01" (1/1) ... [2024-11-07 11:47:01,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:47:01,979 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_buf_write_be16_harness.i[4497,4510] [2024-11-07 11:47:01,991 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_buf_write_be16_harness.i[4557,4570] [2024-11-07 11:47:02,568 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:02,570 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:02,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:02,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:02,573 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:02,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:02,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:02,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:02,592 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,094 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,098 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,154 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:47:03,205 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:47:03,217 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_buf_write_be16_harness.i[4497,4510] [2024-11-07 11:47:03,218 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_buf_write_be16_harness.i[4557,4570] [2024-11-07 11:47:03,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,258 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,262 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,263 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,264 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,264 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,380 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-07 11:47:03,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:47:03,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-07 11:47:03,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:47:03,671 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:47:03,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03 WrapperNode [2024-11-07 11:47:03,672 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:47:03,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:47:03,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:47:03,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:47:03,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03" (1/1) ... [2024-11-07 11:47:03,784 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03" (1/1) ... [2024-11-07 11:47:03,895 INFO L138 Inliner]: procedures = 680, calls = 2618, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 882 [2024-11-07 11:47:03,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:47:03,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:47:03,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:47:03,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:47:03,914 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03" (1/1) ... [2024-11-07 11:47:03,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03" (1/1) ... [2024-11-07 11:47:03,930 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03" (1/1) ... [2024-11-07 11:47:04,002 INFO L175 MemorySlicer]: Split 562 memory accesses to 7 slices as follows [2, 257, 238, 4, 6, 47, 8]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 0, 0, 8, 5]. The 497 writes are split as follows [0, 257, 232, 2, 2, 3, 1]. [2024-11-07 11:47:04,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03" (1/1) ... [2024-11-07 11:47:04,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03" (1/1) ... [2024-11-07 11:47:04,048 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03" (1/1) ... [2024-11-07 11:47:04,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03" (1/1) ... [2024-11-07 11:47:04,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03" (1/1) ... [2024-11-07 11:47:04,069 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03" (1/1) ... [2024-11-07 11:47:04,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:47:04,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:47:04,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:47:04,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:47:04,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03" (1/1) ... [2024-11-07 11:47:04,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:47:04,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:47:04,128 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 11:47:04,133 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 11:47:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:47:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:47:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:47:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:47:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:47:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:47:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:47:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:47:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:47:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:47:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:47:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:47:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:47:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:47:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:47:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:47:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-07 11:47:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-07 11:47:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:47:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:47:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:47:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:47:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:47:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:47:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:47:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:47:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:47:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:47:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:47:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:47:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:47:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:47:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:47:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-07 11:47:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-07 11:47:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:47:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-07 11:47:04,159 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:47:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:47:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:47:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:47:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:47:04,470 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:47:04,472 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:47:12,257 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-07 11:47:12,258 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:47:12,269 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:47:12,270 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 11:47:12,271 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:47:12 BoogieIcfgContainer [2024-11-07 11:47:12,271 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:47:12,273 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:47:12,274 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:47:12,277 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:47:12,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:47:01" (1/3) ... [2024-11-07 11:47:12,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ef5ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:47:12, skipping insertion in model container [2024-11-07 11:47:12,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:47:03" (2/3) ... [2024-11-07 11:47:12,279 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76ef5ec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:47:12, skipping insertion in model container [2024-11-07 11:47:12,279 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:47:12" (3/3) ... [2024-11-07 11:47:12,280 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_be16_harness.i [2024-11-07 11:47:12,291 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:47:12,291 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:47:12,333 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:47:12,341 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;@21d3ccec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:47:12,341 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:47:12,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-07 11:47:12,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-07 11:47:12,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:47:12,355 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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 11:47:12,356 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:47:12,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:47:12,360 INFO L85 PathProgramCache]: Analyzing trace with hash 632268755, now seen corresponding path program 1 times [2024-11-07 11:47:12,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:47:12,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329313525] [2024-11-07 11:47:12,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:47:12,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:48:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:24,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-07 11:48:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:24,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-07 11:48:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:24,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-07 11:48:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:24,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:48:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:24,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-07 11:48:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:24,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-07 11:48:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:25,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-07 11:48:25,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:25,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 11:48:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:25,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-07 11:48:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:25,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 11:48:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:25,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 11:48:25,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:25,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:48:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:48:25,069 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-07 11:48:25,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:48:25,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329313525] [2024-11-07 11:48:25,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329313525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:48:25,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:48:25,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 11:48:25,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376328079] [2024-11-07 11:48:25,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:48:25,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 11:48:25,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:48:25,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 11:48:25,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:48:25,092 INFO L87 Difference]: Start difference. First operand has 133 states, 87 states have (on average 1.2298850574712643) internal successors, (107), 88 states have internal predecessors, (107), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 11:48:29,260 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 11:48:31,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:48:31,423 INFO L93 Difference]: Finished difference Result 261 states and 370 transitions. [2024-11-07 11:48:31,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 11:48:31,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 87 [2024-11-07 11:48:31,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:48:31,431 INFO L225 Difference]: With dead ends: 261 [2024-11-07 11:48:31,432 INFO L226 Difference]: Without dead ends: 128 [2024-11-07 11:48:31,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 32 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 11:48:31,437 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 75 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 21 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-07 11:48:31,441 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 119 Invalid, 136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 114 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-07 11:48:31,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2024-11-07 11:48:31,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2024-11-07 11:48:31,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 83 states have (on average 1.2048192771084338) internal successors, (100), 84 states have internal predecessors, (100), 34 states have call successors, (34), 10 states have call predecessors, (34), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-07 11:48:31,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 167 transitions. [2024-11-07 11:48:31,475 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 167 transitions. Word has length 87 [2024-11-07 11:48:31,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:48:31,476 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 167 transitions. [2024-11-07 11:48:31,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-07 11:48:31,476 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 167 transitions. [2024-11-07 11:48:31,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-07 11:48:31,478 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:48:31,478 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 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 11:48:31,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:48:31,479 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:48:31,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:48:31,479 INFO L85 PathProgramCache]: Analyzing trace with hash 481976023, now seen corresponding path program 1 times [2024-11-07 11:48:31,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:48:31,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235456586] [2024-11-07 11:48:31,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:48:31,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms