./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3'] 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_reserve_harness_negated.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:45:58,674 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:45:58,772 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:45:58,778 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:45:58,778 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:45:58,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:45:58,807 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:45:58,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:45:58,808 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:45:58,808 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:45:58,809 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:45:58,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:45:58,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:45:58,810 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:45:58,810 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:45:58,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:45:58,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:45:58,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:45:58,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:45:58,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:45:58,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:45:58,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:45:58,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:45:58,811 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:45:58,811 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:45:58,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:45:58,811 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:45:58,811 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:45:58,811 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:45:58,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:45:58,811 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:45:58,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:45:58,812 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:45:58,812 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:45:58,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:45:58,812 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:45:58,812 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:45:58,812 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:45:58,812 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:45:58,812 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 -> 83ea83276c34d99791c615950bc2829f5984dafaf429e7a88fe36009fea1e8b3 [2024-11-07 11:45:59,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:45:59,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:45:59,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:45:59,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:45:59,101 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:45:59,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2024-11-07 11:46:00,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:46:00,843 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:46:00,844 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2024-11-07 11:46:00,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d9ba7a055/c04c83ad69974a69906625abe7b86b25/FLAG3b8e11f30 [2024-11-07 11:46:00,891 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d9ba7a055/c04c83ad69974a69906625abe7b86b25 [2024-11-07 11:46:00,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:46:00,896 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:46:00,898 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:46:00,898 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:46:00,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:46:00,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:46:00" (1/1) ... [2024-11-07 11:46:00,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4411e3cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:00, skipping insertion in model container [2024-11-07 11:46:00,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:46:00" (1/1) ... [2024-11-07 11:46:00,977 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:46:01,189 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_reserve_harness_negated.i[4494,4507] [2024-11-07 11:46:01,198 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_reserve_harness_negated.i[4554,4567] [2024-11-07 11:46:01,760 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:01,761 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:01,761 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:01,762 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:01,763 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:01,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:01,803 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:01,808 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:01,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,218 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,284 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,284 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:46:02,444 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:46:02,459 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_reserve_harness_negated.i[4494,4507] [2024-11-07 11:46:02,461 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_reserve_harness_negated.i[4554,4567] [2024-11-07 11:46:02,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,622 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,687 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8283] [2024-11-07 11:46:02,689 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,689 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:02,703 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8769-8780] [2024-11-07 11:46:02,719 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:46:02,977 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:46:02,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02 WrapperNode [2024-11-07 11:46:02,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:46:02,983 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:46:02,983 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:46:02,983 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:46:02,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02" (1/1) ... [2024-11-07 11:46:03,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02" (1/1) ... [2024-11-07 11:46:03,185 INFO L138 Inliner]: procedures = 681, calls = 2620, calls flagged for inlining = 59, calls inlined = 10, statements flattened = 969 [2024-11-07 11:46:03,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:46:03,187 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:46:03,187 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:46:03,187 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:46:03,195 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02" (1/1) ... [2024-11-07 11:46:03,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02" (1/1) ... [2024-11-07 11:46:03,206 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02" (1/1) ... [2024-11-07 11:46:03,255 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-07 11:46:03,256 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02" (1/1) ... [2024-11-07 11:46:03,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02" (1/1) ... [2024-11-07 11:46:03,300 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02" (1/1) ... [2024-11-07 11:46:03,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02" (1/1) ... [2024-11-07 11:46:03,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02" (1/1) ... [2024-11-07 11:46:03,314 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02" (1/1) ... [2024-11-07 11:46:03,327 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:46:03,332 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:46:03,332 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:46:03,332 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:46:03,333 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02" (1/1) ... [2024-11-07 11:46:03,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:46:03,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:46:03,372 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 11:46:03,378 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 11:46:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:46:03,399 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:46:03,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:46:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:46:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:46:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-07 11:46:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 11:46:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 11:46:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 11:46:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:46:03,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:46:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:46:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:46:03,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-07 11:46:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:46:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:46:03,402 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:46:03,402 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:46:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-07 11:46:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-07 11:46:03,403 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-07 11:46:03,403 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-07 11:46:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-07 11:46:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2024-11-07 11:46:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2024-11-07 11:46:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-07 11:46:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-07 11:46:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:46:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:46:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:46:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-07 11:46:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-07 11:46:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:46:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:46:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:46:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:46:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 11:46:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 11:46:03,686 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:46:03,688 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:46:12,151 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-07 11:46:12,151 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:46:12,167 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:46:12,167 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-07 11:46:12,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:46:12 BoogieIcfgContainer [2024-11-07 11:46:12,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:46:12,172 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:46:12,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:46:12,177 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:46:12,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:46:00" (1/3) ... [2024-11-07 11:46:12,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a9a7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:46:12, skipping insertion in model container [2024-11-07 11:46:12,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:02" (2/3) ... [2024-11-07 11:46:12,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78a9a7e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:46:12, skipping insertion in model container [2024-11-07 11:46:12,179 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:46:12" (3/3) ... [2024-11-07 11:46:12,179 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness_negated.i [2024-11-07 11:46:12,192 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:46:12,192 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:46:12,239 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:46:12,249 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;@59cfc73c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:46:12,249 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:46:12,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 158 states, 107 states have (on average 1.280373831775701) internal successors, (137), 107 states have internal predecessors, (137), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-07 11:46:12,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-07 11:46:12,263 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:46:12,263 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:46:12,264 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:46:12,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:46:12,268 INFO L85 PathProgramCache]: Analyzing trace with hash -1592615558, now seen corresponding path program 1 times [2024-11-07 11:46:12,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:46:12,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296544272] [2024-11-07 11:46:12,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:46:12,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:47:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:20,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:47:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:21,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 11:47:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:21,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:47:21,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:21,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 11:47:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:21,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 11:47:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:21,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:47:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:21,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-07 11:47:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:21,151 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-07 11:47:21,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:47:21,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296544272] [2024-11-07 11:47:21,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296544272] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:47:21,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:47:21,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 11:47:21,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842059127] [2024-11-07 11:47:21,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:47:21,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 11:47:21,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:47:21,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 11:47:21,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:47:21,181 INFO L87 Difference]: Start difference. First operand has 158 states, 107 states have (on average 1.280373831775701) internal successors, (137), 107 states have internal predecessors, (137), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 11:47:25,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:47:27,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:47:27,642 INFO L93 Difference]: Finished difference Result 328 states and 463 transitions. [2024-11-07 11:47:27,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 11:47:27,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 53 [2024-11-07 11:47:27,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:47:27,653 INFO L225 Difference]: With dead ends: 328 [2024-11-07 11:47:27,653 INFO L226 Difference]: Without dead ends: 173 [2024-11-07 11:47:27,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 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 11:47:27,659 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 92 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 44 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-07 11:47:27,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 184 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 107 Invalid, 1 Unknown, 0 Unchecked, 6.4s Time] [2024-11-07 11:47:27,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-07 11:47:27,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 151. [2024-11-07 11:47:27,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 100 states have (on average 1.23) internal successors, (123), 101 states have internal predecessors, (123), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-07 11:47:27,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 198 transitions. [2024-11-07 11:47:27,722 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 198 transitions. Word has length 53 [2024-11-07 11:47:27,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:47:27,724 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 198 transitions. [2024-11-07 11:47:27,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (9), 3 states have call predecessors, (9), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-07 11:47:27,724 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 198 transitions. [2024-11-07 11:47:27,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-07 11:47:27,726 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:47:27,727 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:47:27,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:47:27,728 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:47:27,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:47:27,730 INFO L85 PathProgramCache]: Analyzing trace with hash 409233217, now seen corresponding path program 1 times [2024-11-07 11:47:27,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:47:27,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570282442] [2024-11-07 11:47:27,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:47:27,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms