./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_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_cursor_read_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', 'f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.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 f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:52:55,966 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:52:56,067 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:52:56,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:52:56,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:52:56,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:52:56,103 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:52:56,103 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:52:56,104 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:52:56,104 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:52:56,104 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:52:56,105 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:52:56,106 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:52:56,106 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:52:56,106 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:52:56,106 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:52:56,107 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:52:56,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:52:56,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:52:56,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:52:56,108 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:52:56,108 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:52:56,108 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:52:56,108 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:52:56,108 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:52:56,108 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:52:56,109 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:52:56,109 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:52:56,109 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:52:56,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:52:56,109 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:52:56,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:52:56,110 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:52:56,110 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:52:56,110 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:52:56,110 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:52:56,111 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:52:56,111 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:52:56,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:52:56,111 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 -> f6da3aa04741dedcde0205dc04a8136a445ebd58b30adbc60377ecda455d64bb [2024-11-07 11:52:56,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:52:56,383 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:52:56,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:52:56,387 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:52:56,387 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:52:56,389 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2024-11-07 11:52:57,632 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:52:58,189 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:52:58,193 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i [2024-11-07 11:52:58,242 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a2cb1bbe/3ec5133a76e94f5a833fd9fd7968c37f/FLAG4f6889ad7 [2024-11-07 11:52:58,699 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0a2cb1bbe/3ec5133a76e94f5a833fd9fd7968c37f [2024-11-07 11:52:58,700 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:52:58,702 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:52:58,703 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:52:58,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:52:58,706 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:52:58,707 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:52:58" (1/1) ... [2024-11-07 11:52:58,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a8d967 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:52:58, skipping insertion in model container [2024-11-07 11:52:58,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:52:58" (1/1) ... [2024-11-07 11:52:58,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:52:59,008 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2024-11-07 11:52:59,019 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2024-11-07 11:52:59,577 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:59,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:59,578 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:59,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:59,579 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:59,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:59,594 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:59,595 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:52:59,596 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,178 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,181 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:53:00,307 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:53:00,326 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4499,4512] [2024-11-07 11:53:00,326 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_be16_harness.i[4559,4572] [2024-11-07 11:53:00,369 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,370 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,370 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,371 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,371 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,380 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,381 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,381 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,527 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-07 11:53:00,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:53:00,541 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-07 11:53:00,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:53:00,772 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:53:00,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00 WrapperNode [2024-11-07 11:53:00,773 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:53:00,774 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:53:00,774 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:53:00,774 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:53:00,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00" (1/1) ... [2024-11-07 11:53:00,853 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00" (1/1) ... [2024-11-07 11:53:00,942 INFO L138 Inliner]: procedures = 680, calls = 2639, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 1027 [2024-11-07 11:53:00,943 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:53:00,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:53:00,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:53:00,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:53:00,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00" (1/1) ... [2024-11-07 11:53:00,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00" (1/1) ... [2024-11-07 11:53:00,964 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00" (1/1) ... [2024-11-07 11:53:01,040 INFO L175 MemorySlicer]: Split 567 memory accesses to 8 slices as follows [257, 2, 6, 8, 248, 37, 4, 5]. 45 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 2, 0, 2, 6, 2, 2, 5]. The 504 writes are split as follows [257, 0, 2, 0, 236, 9, 0, 0]. [2024-11-07 11:53:01,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00" (1/1) ... [2024-11-07 11:53:01,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00" (1/1) ... [2024-11-07 11:53:01,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00" (1/1) ... [2024-11-07 11:53:01,106 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00" (1/1) ... [2024-11-07 11:53:01,129 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00" (1/1) ... [2024-11-07 11:53:01,142 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00" (1/1) ... [2024-11-07 11:53:01,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:53:01,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:53:01,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:53:01,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:53:01,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00" (1/1) ... [2024-11-07 11:53:01,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:53:01,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:53:01,200 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 11:53:01,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 11:53:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-07 11:53:01,230 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-07 11:53:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 11:53:01,230 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 11:53:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:53:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:53:01,230 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:53:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-07 11:53:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-07 11:53:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-07 11:53:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-07 11:53:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-07 11:53:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-07 11:53:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-07 11:53:01,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-07 11:53:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 11:53:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 11:53:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 11:53:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 11:53:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 11:53:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 11:53:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-07 11:53:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-07 11:53:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:53:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:53:01,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:53:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:53:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:53:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:53:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:53:01,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 11:53:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:53:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:53:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:53:01,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-07 11:53:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 11:53:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 11:53:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 11:53:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 11:53:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 11:53:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 11:53:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-07 11:53:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:53:01,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:53:01,235 INFO L130 BoogieDeclarations]: Found specification of procedure aws_ntoh16 [2024-11-07 11:53:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_ntoh16 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:53:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:53:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:53:01,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-07 11:53:01,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:53:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:53:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:53:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:53:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:53:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:53:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:53:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 11:53:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-07 11:53:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-07 11:53:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:53:01,237 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:53:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:53:01,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:53:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:53:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:53:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:53:01,240 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:53:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:53:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:53:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 11:53:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:53:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:53:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:53:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:53:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:53:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:53:01,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:53:01,242 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:53:01,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 11:53:01,719 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:53:01,721 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:53:10,524 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2024-11-07 11:53:10,524 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:53:10,535 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:53:10,535 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 11:53:10,536 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:53:10 BoogieIcfgContainer [2024-11-07 11:53:10,536 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:53:10,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:53:10,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:53:10,543 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:53:10,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:52:58" (1/3) ... [2024-11-07 11:53:10,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb4bd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:53:10, skipping insertion in model container [2024-11-07 11:53:10,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:53:00" (2/3) ... [2024-11-07 11:53:10,544 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb4bd58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:53:10, skipping insertion in model container [2024-11-07 11:53:10,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:53:10" (3/3) ... [2024-11-07 11:53:10,546 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_be16_harness.i [2024-11-07 11:53:10,559 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:53:10,560 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:53:10,622 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:53:10,633 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;@1b3a3453, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:53:10,634 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:53:10,638 INFO L276 IsEmpty]: Start isEmpty. Operand has 182 states, 121 states have (on average 1.28099173553719) internal successors, (155), 122 states have internal predecessors, (155), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 11:53:10,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-07 11:53:10,647 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:53:10,648 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:53:10,648 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:53:10,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:53:10,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1547617861, now seen corresponding path program 1 times [2024-11-07 11:53:10,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:53:10,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315190932] [2024-11-07 11:53:10,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:53:10,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:54:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:54:21,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:54:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 11:54:21,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 11:54:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 11:54:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:54:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-07 11:54:21,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 11:54:21,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-07 11:54:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-07 11:54:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-07 11:54:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-07 11:54:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2024-11-07 11:54:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-07 11:54:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-07 11:54:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-07 11:54:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-07 11:54:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-07 11:54:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-07 11:54:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:54:21,735 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2024-11-07 11:54:21,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:54:21,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315190932] [2024-11-07 11:54:21,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315190932] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:54:21,736 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:54:21,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:54:21,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847507983] [2024-11-07 11:54:21,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:54:21,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:54:21,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:54:21,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:54:21,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:54:21,766 INFO L87 Difference]: Start difference. First operand has 182 states, 121 states have (on average 1.28099173553719) internal successors, (155), 122 states have internal predecessors, (155), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 11:54:25,994 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:54:30,482 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:54:33,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:54:33,689 INFO L93 Difference]: Finished difference Result 372 states and 545 transitions. [2024-11-07 11:54:33,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:54:33,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 124 [2024-11-07 11:54:33,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:54:33,700 INFO L225 Difference]: With dead ends: 372 [2024-11-07 11:54:33,700 INFO L226 Difference]: Without dead ends: 191 [2024-11-07 11:54:33,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:54:33,711 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 161 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 115 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 115 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2024-11-07 11:54:33,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 309 Invalid, 291 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [115 Valid, 174 Invalid, 2 Unknown, 0 Unchecked, 11.6s Time] [2024-11-07 11:54:33,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2024-11-07 11:54:33,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 176. [2024-11-07 11:54:33,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 116 states have (on average 1.2758620689655173) internal successors, (148), 117 states have internal predecessors, (148), 48 states have call successors, (48), 11 states have call predecessors, (48), 11 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-07 11:54:33,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 243 transitions. [2024-11-07 11:54:33,765 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 243 transitions. Word has length 124 [2024-11-07 11:54:33,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:54:33,766 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 243 transitions. [2024-11-07 11:54:33,766 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (21), 4 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-07 11:54:33,766 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 243 transitions. [2024-11-07 11:54:33,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-07 11:54:33,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:54:33,770 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:54:33,770 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:54:33,771 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:54:33,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:54:33,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1754922187, now seen corresponding path program 1 times [2024-11-07 11:54:33,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:54:33,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072552895] [2024-11-07 11:54:33,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:54:33,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms