./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux', '--witnessprinter.witness.filename', 'witness', '--witnessprinter.write.witness.besides.input.file', 'false', '--witnessprinter.graph.data.specification', 'CHECK( init(main()), LTL(G ! call(reach_error())) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '7d9514ee1b6f3a0027f117bcf81d6b26d525fe99251459ecef3c46cad248dd1f'] 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_from_whole_string_harness.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7d9514ee1b6f3a0027f117bcf81d6b26d525fe99251459ecef3c46cad248dd1f --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:48:23,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:48:23,594 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:48:23,599 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:48:23,599 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:48:23,612 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:48:23,613 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:48:23,613 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:48:23,613 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:48:23,613 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:48:23,614 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:48:23,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:48:23,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:48:23,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:48:23,614 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:48:23,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:48:23,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:48:23,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:48:23,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:48:23,615 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:48:23,615 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:48:23,615 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:48:23,615 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:48:23,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:48:23,615 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:48:23,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:48:23,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:48:23,615 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:48:23,615 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:48:23,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:48:23,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:48:23,616 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:48:23,616 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:48:23,616 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:48:23,616 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:48:23,616 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:48:23,616 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:48:23,616 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:48:23,616 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:48:23,616 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 -> 7d9514ee1b6f3a0027f117bcf81d6b26d525fe99251459ecef3c46cad248dd1f [2024-11-07 11:48:23,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:48:23,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:48:23,872 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:48:23,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:48:23,872 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:48:23,874 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i [2024-11-07 11:48:25,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:48:25,470 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:48:25,472 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_string_harness.i [2024-11-07 11:48:25,516 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/acd2fb4c9/7f0b5e10732b4824b938d940b2a74e96/FLAG71760cf06 [2024-11-07 11:48:25,530 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/acd2fb4c9/7f0b5e10732b4824b938d940b2a74e96 [2024-11-07 11:48:25,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:48:25,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:48:25,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:48:25,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:48:25,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:48:25,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:48:25" (1/1) ... [2024-11-07 11:48:25,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17db08d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:25, skipping insertion in model container [2024-11-07 11:48:25,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:48:25" (1/1) ... [2024-11-07 11:48:25,624 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:48:25,794 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_from_whole_string_harness.i[4510,4523] [2024-11-07 11:48:25,802 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_from_whole_string_harness.i[4570,4583] [2024-11-07 11:48:26,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,238 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,239 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,240 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,240 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,243 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,244 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,575 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,582 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,651 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,652 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:48:26,747 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:48:26,757 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_from_whole_string_harness.i[4510,4523] [2024-11-07 11:48:26,757 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_from_whole_string_harness.i[4570,4583] [2024-11-07 11:48:26,823 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,823 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,823 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,829 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,830 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,830 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,830 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,831 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,889 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,893 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,927 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8553] [2024-11-07 11:48:26,929 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,929 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:48:26,938 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [9039-9050] [2024-11-07 11:48:26,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:48:27,192 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:48:27,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27 WrapperNode [2024-11-07 11:48:27,197 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:48:27,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:48:27,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:48:27,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:48:27,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27" (1/1) ... [2024-11-07 11:48:27,270 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27" (1/1) ... [2024-11-07 11:48:27,323 INFO L138 Inliner]: procedures = 684, calls = 3059, calls flagged for inlining = 70, calls inlined = 10, statements flattened = 980 [2024-11-07 11:48:27,324 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:48:27,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:48:27,324 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:48:27,324 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:48:27,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27" (1/1) ... [2024-11-07 11:48:27,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27" (1/1) ... [2024-11-07 11:48:27,339 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27" (1/1) ... [2024-11-07 11:48:27,396 INFO L175 MemorySlicer]: Split 591 memory accesses to 7 slices as follows [2, 21, 257, 238, 16, 6, 51]. 43 percent of accesses are in the largest equivalence class. The 37 initializations are split as follows [2, 5, 0, 6, 16, 0, 8]. The 498 writes are split as follows [0, 4, 257, 232, 0, 2, 3]. [2024-11-07 11:48:27,398 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27" (1/1) ... [2024-11-07 11:48:27,398 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27" (1/1) ... [2024-11-07 11:48:27,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27" (1/1) ... [2024-11-07 11:48:27,441 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27" (1/1) ... [2024-11-07 11:48:27,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27" (1/1) ... [2024-11-07 11:48:27,456 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27" (1/1) ... [2024-11-07 11:48:27,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:48:27,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:48:27,468 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:48:27,468 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:48:27,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27" (1/1) ... [2024-11-07 11:48:27,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:48:27,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:48:27,498 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 11:48:27,501 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 11:48:27,517 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-07 11:48:27,517 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-07 11:48:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:48:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:48:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-07 11:48:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-07 11:48:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:48:27,518 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:48:27,518 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:48:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-07 11:48:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-07 11:48:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-07 11:48:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-07 11:48:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-07 11:48:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-07 11:48:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-07 11:48:27,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:48:27,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:48:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:48:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:48:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:48:27,521 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-07 11:48:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-07 11:48:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-07 11:48:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-07 11:48:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-07 11:48:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-07 11:48:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-07 11:48:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:48:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:48:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:48:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-07 11:48:27,522 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-07 11:48:27,522 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-07 11:48:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:48:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-07 11:48:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:48:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:48:27,523 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:48:27,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:48:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:48:27,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:48:27,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:48:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:48:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:48:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:48:27,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:48:27,837 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:48:27,840 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:48:35,243 INFO L? ?]: Removed 251 outVars from TransFormulas that were not future-live. [2024-11-07 11:48:35,244 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:48:35,256 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:48:35,256 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 11:48:35,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:48:35 BoogieIcfgContainer [2024-11-07 11:48:35,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:48:35,258 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:48:35,259 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:48:35,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:48:35,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:48:25" (1/3) ... [2024-11-07 11:48:35,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46816398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:48:35, skipping insertion in model container [2024-11-07 11:48:35,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:48:27" (2/3) ... [2024-11-07 11:48:35,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46816398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:48:35, skipping insertion in model container [2024-11-07 11:48:35,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:48:35" (3/3) ... [2024-11-07 11:48:35,264 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_string_harness.i [2024-11-07 11:48:35,273 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:48:35,273 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:48:35,319 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:48:35,331 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;@43bf1d0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:48:35,331 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:48:35,337 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 119 states have internal predecessors, (149), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-07 11:48:35,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-07 11:48:35,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:48:35,345 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 11:48:35,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:48:35,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:48:35,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1996143641, now seen corresponding path program 1 times [2024-11-07 11:48:35,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:48:35,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627332815] [2024-11-07 11:48:35,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:48:35,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:49:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:44,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 11:49:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:44,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 11:49:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:44,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 11:49:44,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:44,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:49:44,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:44,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-07 11:49:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:44,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-07 11:49:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:44,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-07 11:49:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:44,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-07 11:49:44,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:49:44,188 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-07 11:49:44,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:49:44,188 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627332815] [2024-11-07 11:49:44,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627332815] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:49:44,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:49:44,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 11:49:44,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736819105] [2024-11-07 11:49:44,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:49:44,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 11:49:44,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:49:44,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 11:49:44,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:49:44,211 INFO L87 Difference]: Start difference. First operand has 181 states, 118 states have (on average 1.2627118644067796) internal successors, (149), 119 states have internal predecessors, (149), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 11:49:48,367 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 11:49:50,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:49:50,654 INFO L93 Difference]: Finished difference Result 353 states and 507 transitions. [2024-11-07 11:49:50,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 11:49:50,656 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 62 [2024-11-07 11:49:50,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:49:50,661 INFO L225 Difference]: With dead ends: 353 [2024-11-07 11:49:50,661 INFO L226 Difference]: Without dead ends: 176 [2024-11-07 11:49:50,664 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 22 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 11:49:50,665 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 85 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 132 mSolverCounterSat, 36 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 132 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2024-11-07 11:49:50,666 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 217 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 132 Invalid, 1 Unknown, 0 Unchecked, 6.3s Time] [2024-11-07 11:49:50,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-07 11:49:50,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-07 11:49:50,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 114 states have (on average 1.2543859649122806) internal successors, (143), 115 states have internal predecessors, (143), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-07 11:49:50,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 238 transitions. [2024-11-07 11:49:50,703 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 238 transitions. Word has length 62 [2024-11-07 11:49:50,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:49:50,705 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 238 transitions. [2024-11-07 11:49:50,705 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (9), 3 states have call predecessors, (9), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-07 11:49:50,705 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 238 transitions. [2024-11-07 11:49:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-07 11:49:50,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:49:50,708 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-07 11:49:50,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:49:50,708 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:49:50,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:49:50,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1690815581, now seen corresponding path program 1 times [2024-11-07 11:49:50,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:49:50,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402514198] [2024-11-07 11:49:50,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:49:50,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms