./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_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_relative_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', '159e2e7d83d3b6b4cf1f3ed2869e7b3577187883e3957f87f67106f5f6570745'] 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_relative_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 159e2e7d83d3b6b4cf1f3ed2869e7b3577187883e3957f87f67106f5f6570745 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:46:22,230 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:46:22,296 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:46:22,303 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:46:22,304 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:46:22,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:46:22,324 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:46:22,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:46:22,324 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:46:22,325 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:46:22,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:46:22,325 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:46:22,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:46:22,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:46:22,326 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:46:22,326 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:46:22,326 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:46:22,326 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:46:22,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:46:22,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:46:22,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:46:22,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:46:22,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:46:22,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:46:22,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:46:22,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:46:22,327 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:46:22,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:46:22,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:46:22,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:46:22,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:46:22,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:46:22,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:46:22,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:46:22,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:46:22,327 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:46:22,327 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:46:22,327 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:46:22,327 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:46:22,327 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 -> 159e2e7d83d3b6b4cf1f3ed2869e7b3577187883e3957f87f67106f5f6570745 [2024-11-07 11:46:22,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:46:22,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:46:22,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:46:22,574 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:46:22,575 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:46:22,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2024-11-07 11:46:23,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:46:24,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:46:24,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_reserve_relative_harness_negated.i [2024-11-07 11:46:24,198 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7bc714b95/5897029128ea40d3badb2ae4dd005ff5/FLAG822572594 [2024-11-07 11:46:24,278 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7bc714b95/5897029128ea40d3badb2ae4dd005ff5 [2024-11-07 11:46:24,280 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:46:24,281 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:46:24,282 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:46:24,282 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:46:24,286 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:46:24,286 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:46:24" (1/1) ... [2024-11-07 11:46:24,287 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c40a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:24, skipping insertion in model container [2024-11-07 11:46:24,287 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:46:24" (1/1) ... [2024-11-07 11:46:24,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:46:24,527 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_relative_harness_negated.i[4503,4516] [2024-11-07 11:46:24,534 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_relative_harness_negated.i[4563,4576] [2024-11-07 11:46:24,975 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:24,976 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:24,976 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:24,976 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:24,977 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:24,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:24,986 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:24,991 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:24,991 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,326 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,326 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,375 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,375 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:46:25,468 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:46:25,482 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_relative_harness_negated.i[4503,4516] [2024-11-07 11:46:25,482 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_relative_harness_negated.i[4563,4576] [2024-11-07 11:46:25,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,520 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,624 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,654 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8085] [2024-11-07 11:46:25,656 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,656 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:46:25,666 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8571-8582] [2024-11-07 11:46:25,685 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:46:25,876 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:46:25,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25 WrapperNode [2024-11-07 11:46:25,881 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:46:25,882 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:46:25,886 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:46:25,886 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:46:25,891 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25" (1/1) ... [2024-11-07 11:46:25,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25" (1/1) ... [2024-11-07 11:46:26,057 INFO L138 Inliner]: procedures = 681, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1024 [2024-11-07 11:46:26,057 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:46:26,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:46:26,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:46:26,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:46:26,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25" (1/1) ... [2024-11-07 11:46:26,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25" (1/1) ... [2024-11-07 11:46:26,076 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25" (1/1) ... [2024-11-07 11:46:26,115 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-07 11:46:26,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25" (1/1) ... [2024-11-07 11:46:26,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25" (1/1) ... [2024-11-07 11:46:26,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25" (1/1) ... [2024-11-07 11:46:26,157 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25" (1/1) ... [2024-11-07 11:46:26,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25" (1/1) ... [2024-11-07 11:46:26,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25" (1/1) ... [2024-11-07 11:46:26,184 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:46:26,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:46:26,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:46:26,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:46:26,186 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25" (1/1) ... [2024-11-07 11:46:26,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:46:26,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:46:26,214 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 11:46:26,217 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 11:46:26,234 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:46:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:46:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:46:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:46:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:46:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-07 11:46:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-07 11:46:26,236 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 11:46:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 11:46:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:46:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:46:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:46:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:46:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-07 11:46:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:46:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:46:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:46:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:46:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-07 11:46:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-07 11:46:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-07 11:46:26,237 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-07 11:46:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-07 11:46:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:46:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:46:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:46:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-07 11:46:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-07 11:46:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-07 11:46:26,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-07 11:46:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:46:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:46:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-07 11:46:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-07 11:46:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-07 11:46:26,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-07 11:46:26,484 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:46:26,486 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:46:34,321 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-07 11:46:34,321 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:46:34,338 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:46:34,340 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-07 11:46:34,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:46:34 BoogieIcfgContainer [2024-11-07 11:46:34,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:46:34,342 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:46:34,343 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:46:34,346 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:46:34,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:46:24" (1/3) ... [2024-11-07 11:46:34,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739b8df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:46:34, skipping insertion in model container [2024-11-07 11:46:34,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:46:25" (2/3) ... [2024-11-07 11:46:34,347 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739b8df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:46:34, skipping insertion in model container [2024-11-07 11:46:34,347 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:46:34" (3/3) ... [2024-11-07 11:46:34,348 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness_negated.i [2024-11-07 11:46:34,359 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:46:34,359 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:46:34,404 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:46:34,414 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;@2e2d449, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:46:34,415 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:46:34,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 161 states, 112 states have (on average 1.3125) internal successors, (147), 111 states have internal predecessors, (147), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-07 11:46:34,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 11:46:34,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:46:34,426 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] [2024-11-07 11:46:34,426 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:46:34,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:46:34,430 INFO L85 PathProgramCache]: Analyzing trace with hash -835620094, now seen corresponding path program 1 times [2024-11-07 11:46:34,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:46:34,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424150723] [2024-11-07 11:46:34,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:46:34,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:47:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:45,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:47:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:45,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 11:47:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:45,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:47:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:45,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-07 11:47:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:45,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 11:47:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:45,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-07 11:47:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:47:45,451 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-07 11:47:45,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:47:45,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424150723] [2024-11-07 11:47:45,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424150723] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:47:45,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:47:45,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-07 11:47:45,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006651428] [2024-11-07 11:47:45,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:47:45,457 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 11:47:45,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:47:45,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 11:47:45,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 11:47:45,472 INFO L87 Difference]: Start difference. First operand has 161 states, 112 states have (on average 1.3125) internal successors, (147), 111 states have internal predecessors, (147), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 11:47:49,597 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:47:54,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:47:57,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:47:57,222 INFO L93 Difference]: Finished difference Result 322 states and 457 transitions. [2024-11-07 11:47:57,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-07 11:47:57,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-07 11:47:57,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:47:57,229 INFO L225 Difference]: With dead ends: 322 [2024-11-07 11:47:57,230 INFO L226 Difference]: Without dead ends: 166 [2024-11-07 11:47:57,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-07 11:47:57,234 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 137 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 88 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.5s IncrementalHoareTripleChecker+Time [2024-11-07 11:47:57,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 253 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 175 Invalid, 2 Unknown, 0 Unchecked, 11.5s Time] [2024-11-07 11:47:57,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2024-11-07 11:47:57,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 156. [2024-11-07 11:47:57,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 106 states have (on average 1.2547169811320755) internal successors, (133), 107 states have internal predecessors, (133), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-07 11:47:57,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 208 transitions. [2024-11-07 11:47:57,280 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 208 transitions. Word has length 47 [2024-11-07 11:47:57,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:47:57,281 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 208 transitions. [2024-11-07 11:47:57,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-07 11:47:57,282 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 208 transitions. [2024-11-07 11:47:57,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-07 11:47:57,284 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:47:57,284 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] [2024-11-07 11:47:57,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:47:57,285 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:47:57,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:47:57,286 INFO L85 PathProgramCache]: Analyzing trace with hash 926397958, now seen corresponding path program 1 times [2024-11-07 11:47:57,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:47:57,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100752372] [2024-11-07 11:47:57,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:47:57,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms