./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_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_advance_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', 'e55ac5434b951971879a153437b53000a6218e43a47ba6f85cc2dc8135a82b6f'] 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_advance_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 e55ac5434b951971879a153437b53000a6218e43a47ba6f85cc2dc8135a82b6f --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:41:35,681 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:41:35,771 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:41:35,777 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:41:35,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:41:35,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:41:35,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:41:35,806 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:41:35,806 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:41:35,806 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:41:35,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:41:35,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:41:35,807 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:41:35,807 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:41:35,807 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:41:35,807 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:41:35,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:41:35,807 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:41:35,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:41:35,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:41:35,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:41:35,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:41:35,808 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:41:35,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:41:35,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:41:35,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:41:35,808 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:41:35,808 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:41:35,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:41:35,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:41:35,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:41:35,810 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:41:35,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:41:35,810 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:41:35,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:41:35,811 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:41:35,811 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:41:35,811 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:41:35,811 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:41:35,811 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 -> e55ac5434b951971879a153437b53000a6218e43a47ba6f85cc2dc8135a82b6f [2024-11-07 11:41:36,112 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:41:36,120 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:41:36,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:41:36,125 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:41:36,126 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:41:36,127 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i [2024-11-07 11:41:37,521 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:41:38,121 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:41:38,122 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_advance_harness_negated.i [2024-11-07 11:41:38,159 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/958592cef/d12ccd10f8344702a910e707bfda3a43/FLAG999307264 [2024-11-07 11:41:38,174 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/958592cef/d12ccd10f8344702a910e707bfda3a43 [2024-11-07 11:41:38,176 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:41:38,177 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:41:38,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:41:38,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:41:38,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:41:38,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:41:38" (1/1) ... [2024-11-07 11:41:38,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d2d29c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:38, skipping insertion in model container [2024-11-07 11:41:38,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:41:38" (1/1) ... [2024-11-07 11:41:38,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:41:38,565 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_advance_harness_negated.i[4494,4507] [2024-11-07 11:41:38,575 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_advance_harness_negated.i[4554,4567] [2024-11-07 11:41:39,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:39,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:39,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:39,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:39,737 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:39,766 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:39,769 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:39,771 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:39,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:40,832 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:40,834 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:40,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:41:41,001 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:41:41,023 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_advance_harness_negated.i[4494,4507] [2024-11-07 11:41:41,023 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_advance_harness_negated.i[4554,4567] [2024-11-07 11:41:41,077 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:41,077 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:41,078 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:41,079 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:41,079 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:41,087 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:41,087 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:41,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:41,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:41,307 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-07 11:41:41,310 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:41,311 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:41:41,329 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-07 11:41:41,351 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:41:41,622 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:41:41,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41 WrapperNode [2024-11-07 11:41:41,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:41:41,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:41:41,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:41:41,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:41:41,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41" (1/1) ... [2024-11-07 11:41:41,733 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41" (1/1) ... [2024-11-07 11:41:41,833 INFO L138 Inliner]: procedures = 680, calls = 2671, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 975 [2024-11-07 11:41:41,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:41:41,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:41:41,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:41:41,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:41:41,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41" (1/1) ... [2024-11-07 11:41:41,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41" (1/1) ... [2024-11-07 11:41:41,857 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41" (1/1) ... [2024-11-07 11:41:41,962 INFO L175 MemorySlicer]: Split 591 memory accesses to 5 slices as follows [257, 2, 81, 245, 6]. 43 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [0, 2, 12, 11, 0]. The 508 writes are split as follows [257, 0, 17, 232, 2]. [2024-11-07 11:41:41,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41" (1/1) ... [2024-11-07 11:41:41,963 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41" (1/1) ... [2024-11-07 11:41:42,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41" (1/1) ... [2024-11-07 11:41:42,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41" (1/1) ... [2024-11-07 11:41:42,051 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41" (1/1) ... [2024-11-07 11:41:42,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41" (1/1) ... [2024-11-07 11:41:42,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:41:42,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:41:42,090 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:41:42,090 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:41:42,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41" (1/1) ... [2024-11-07 11:41:42,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:41:42,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:41:42,134 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 11:41:42,141 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 11:41:42,173 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:41:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:41:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:41:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:41:42,175 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:41:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:41:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:41:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:41:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:41:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:41:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:41:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:41:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:41:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:41:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:41:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:41:42,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:41:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:41:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:41:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:41:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:41:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:41:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:41:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:41:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-07 11:41:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-07 11:41:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:41:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:41:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:41:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:41:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:41:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:41:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:41:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:41:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:41:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-07 11:41:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:41:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:41:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:41:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-07 11:41:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-07 11:41:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-07 11:41:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-07 11:41:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:41:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:41:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:41:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:41:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:41:42,496 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:41:42,498 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:41:51,883 INFO L? ?]: Removed 110 outVars from TransFormulas that were not future-live. [2024-11-07 11:41:51,884 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:41:51,902 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:41:51,902 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-07 11:41:51,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:41:51 BoogieIcfgContainer [2024-11-07 11:41:51,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:41:51,908 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:41:51,908 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:41:51,913 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:41:51,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:41:38" (1/3) ... [2024-11-07 11:41:51,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3821dd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:41:51, skipping insertion in model container [2024-11-07 11:41:51,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:41:41" (2/3) ... [2024-11-07 11:41:51,916 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3821dd0f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:41:51, skipping insertion in model container [2024-11-07 11:41:51,916 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:41:51" (3/3) ... [2024-11-07 11:41:51,917 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_advance_harness_negated.i [2024-11-07 11:41:51,932 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:41:51,933 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:41:51,998 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:41:52,009 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;@2f956a77, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:41:52,009 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:41:52,014 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 105 states have internal predecessors, (128), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-07 11:41:52,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-07 11:41:52,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:41:52,026 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 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] [2024-11-07 11:41:52,027 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:41:52,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:41:52,032 INFO L85 PathProgramCache]: Analyzing trace with hash -613852057, now seen corresponding path program 1 times [2024-11-07 11:41:52,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:41:52,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654828346] [2024-11-07 11:41:52,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:41:52,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:43:00,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:01,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:43:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:01,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-07 11:43:01,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:01,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-07 11:43:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:01,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:43:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:02,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-07 11:43:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:02,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:43:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:02,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 11:43:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:02,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-07 11:43:02,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:02,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-07 11:43:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:02,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:43:02,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:02,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:43:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:02,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:43:02,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:02,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:43:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:02,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-07 11:43:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:02,183 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-11-07 11:43:02,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:43:02,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654828346] [2024-11-07 11:43:02,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1654828346] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:43:02,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:43:02,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:43:02,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209728343] [2024-11-07 11:43:02,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:43:02,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:43:02,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:43:02,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:43:02,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:43:02,213 INFO L87 Difference]: Start difference. First operand has 172 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 105 states have internal predecessors, (128), 55 states have call successors, (55), 11 states have call predecessors, (55), 11 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (15), 4 states have call predecessors, (15), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-07 11:43:06,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:43:10,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []