./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_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_write_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', '983481f5e23e9dbaf95892c19981dd4a39c2fab33de5cb70c70e0ce781cf6fc6'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_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 983481f5e23e9dbaf95892c19981dd4a39c2fab33de5cb70c70e0ce781cf6fc6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:48:51,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:48:51,217 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:48:51,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:48:51,226 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:48:51,248 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:48:51,249 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:48:51,249 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:48:51,249 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:48:51,250 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:48:51,250 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:48:51,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:48:51,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:48:51,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:48:51,250 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:48:51,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:48:51,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:48:51,250 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:48:51,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:48:51,251 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:48:51,251 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:48:51,251 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:48:51,252 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:48:51,252 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 -> 983481f5e23e9dbaf95892c19981dd4a39c2fab33de5cb70c70e0ce781cf6fc6 [2024-11-07 11:48:51,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:48:51,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:48:51,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:48:51,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:48:51,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:48:51,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i [2024-11-07 11:48:52,888 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:48:53,393 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:48:53,394 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i [2024-11-07 11:48:53,422 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e0dae10bd/f81ba12efc604c4faad598b253c58c92/FLAGa58266bcc [2024-11-07 11:48:53,435 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e0dae10bd/f81ba12efc604c4faad598b253c58c92 [2024-11-07 11:48:53,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:48:53,438 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:48:53,440 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:48:53,441 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:48:53,444 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:48:53,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:48:53" (1/1) ... [2024-11-07 11:48:53,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d3d843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:53, skipping insertion in model container [2024-11-07 11:48:53,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:48:53" (1/1) ... [2024-11-07 11:48:53,513 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:48:53,718 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i[4492,4505] [2024-11-07 11:48:53,723 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i[4552,4565] [2024-11-07 11:48:54,197 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,198 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,198 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,199 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,214 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,214 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,652 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,655 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,704 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:48:54,755 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:48:54,766 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i[4492,4505] [2024-11-07 11:48:54,770 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i[4552,4565] [2024-11-07 11:48:54,803 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,804 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,805 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,936 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-07 11:48:54,938 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,938 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:54,947 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-07 11:48:54,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:48:55,159 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:48:55,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55 WrapperNode [2024-11-07 11:48:55,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:48:55,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:48:55,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:48:55,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:48:55,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55" (1/1) ... [2024-11-07 11:48:55,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55" (1/1) ... [2024-11-07 11:48:55,324 INFO L138 Inliner]: procedures = 679, calls = 2631, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 873 [2024-11-07 11:48:55,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:48:55,325 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:48:55,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:48:55,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:48:55,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55" (1/1) ... [2024-11-07 11:48:55,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55" (1/1) ... [2024-11-07 11:48:55,342 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55" (1/1) ... [2024-11-07 11:48:55,405 INFO L175 MemorySlicer]: Split 562 memory accesses to 6 slices as follows [2, 257, 238, 10, 49, 6]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 0, 6, 5, 8, 0]. The 495 writes are split as follows [0, 257, 232, 1, 3, 2]. [2024-11-07 11:48:55,405 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55" (1/1) ... [2024-11-07 11:48:55,405 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55" (1/1) ... [2024-11-07 11:48:55,449 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55" (1/1) ... [2024-11-07 11:48:55,454 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55" (1/1) ... [2024-11-07 11:48:55,468 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55" (1/1) ... [2024-11-07 11:48:55,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55" (1/1) ... [2024-11-07 11:48:55,493 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:48:55,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:48:55,494 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:48:55,494 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:48:55,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55" (1/1) ... [2024-11-07 11:48:55,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:48:55,517 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:48:55,537 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 11:48:55,548 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 11:48:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:48:55,564 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:48:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:48:55,564 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:48:55,564 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 11:48:55,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 11:48:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 11:48:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 11:48:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 11:48:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 11:48:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 11:48:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 11:48:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 11:48:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:48:55,566 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:48:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:48:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:48:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:48:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:48:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:48:55,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:48:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:48:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:48:55,568 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:48:55,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:48:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-07 11:48:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:48:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:48:55,569 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-07 11:48:55,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-07 11:48:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-07 11:48:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-07 11:48:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:48:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:48:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:48:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:48:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:48:55,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:48:55,881 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:48:55,884 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:49:03,733 INFO L? ?]: Removed 194 outVars from TransFormulas that were not future-live. [2024-11-07 11:49:03,733 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:49:03,745 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:49:03,746 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 11:49:03,746 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:49:03 BoogieIcfgContainer [2024-11-07 11:49:03,746 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:49:03,748 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:49:03,748 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:49:03,751 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:49:03,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:48:53" (1/3) ... [2024-11-07 11:49:03,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f73b564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:49:03, skipping insertion in model container [2024-11-07 11:49:03,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:55" (2/3) ... [2024-11-07 11:49:03,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f73b564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:49:03, skipping insertion in model container [2024-11-07 11:49:03,752 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:49:03" (3/3) ... [2024-11-07 11:49:03,753 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_harness_negated.i [2024-11-07 11:49:03,764 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:49:03,764 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:49:03,834 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:49:03,850 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;@375ece30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:49:03,850 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:49:03,857 INFO L276 IsEmpty]: Start isEmpty. Operand has 129 states, 85 states have (on average 1.2705882352941176) internal successors, (108), 86 states have internal predecessors, (108), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-07 11:49:03,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-07 11:49:03,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:49:03,864 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 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, 1] [2024-11-07 11:49:03,864 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:49:03,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:49:03,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1745725323, now seen corresponding path program 1 times [2024-11-07 11:49:03,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:49:03,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770316538] [2024-11-07 11:49:03,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:49:03,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:50:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:16,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:50:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:16,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:50:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:16,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-07 11:50:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:16,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-07 11:50:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:16,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:50:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:16,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-07 11:50:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:16,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-07 11:50:16,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:16,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-07 11:50:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:16,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:50:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:16,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:50:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:16,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-07 11:50:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:50:16,270 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-07 11:50:16,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:50:16,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770316538] [2024-11-07 11:50:16,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770316538] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:50:16,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:50:16,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 11:50:16,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108390731] [2024-11-07 11:50:16,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:50:16,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 11:50:16,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:50:16,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 11:50:16,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:50:16,290 INFO L87 Difference]: Start difference. First operand has 129 states, 85 states have (on average 1.2705882352941176) internal successors, (108), 86 states have internal predecessors, (108), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) 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, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 11:50:20,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:50:22,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:50:22,698 INFO L93 Difference]: Finished difference Result 255 states and 363 transitions. [2024-11-07 11:50:22,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 11:50:22,704 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, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 77 [2024-11-07 11:50:22,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:50:22,712 INFO L225 Difference]: With dead ends: 255 [2024-11-07 11:50:22,713 INFO L226 Difference]: Without dead ends: 124 [2024-11-07 11:50:22,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 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 11:50:22,720 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 69 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-07 11:50:22,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 134 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 103 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-07 11:50:22,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-07 11:50:22,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-07 11:50:22,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 81 states have (on average 1.2592592592592593) internal successors, (102), 82 states have internal predecessors, (102), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-07 11:50:22,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 165 transitions. [2024-11-07 11:50:22,793 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 165 transitions. Word has length 77 [2024-11-07 11:50:22,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:50:22,793 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 165 transitions. [2024-11-07 11:50:22,796 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, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-07 11:50:22,797 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 165 transitions. [2024-11-07 11:50:22,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-07 11:50:22,802 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:50:22,802 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 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, 1] [2024-11-07 11:50:22,803 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:50:22,803 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:50:22,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:50:22,804 INFO L85 PathProgramCache]: Analyzing trace with hash 626337391, now seen corresponding path program 1 times [2024-11-07 11:50:22,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:50:22,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78518950] [2024-11-07 11:50:22,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:50:22,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms