./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_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_append_with_lookup_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', '49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7'] 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_append_with_lookup_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 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 11:42:22,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 11:42:22,389 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-07 11:42:22,397 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 11:42:22,398 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 11:42:22,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 11:42:22,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 11:42:22,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 11:42:22,434 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 11:42:22,434 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 11:42:22,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 11:42:22,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 11:42:22,435 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 11:42:22,436 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 11:42:22,436 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 11:42:22,436 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 11:42:22,436 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 11:42:22,436 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 11:42:22,436 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 11:42:22,437 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 11:42:22,437 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 11:42:22,437 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 11:42:22,437 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 11:42:22,437 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 11:42:22,437 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 11:42:22,437 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 11:42:22,437 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 11:42:22,438 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 11:42:22,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 11:42:22,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:42:22,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 11:42:22,438 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 11:42:22,438 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 11:42:22,439 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 11:42:22,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 11:42:22,439 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 11:42:22,439 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 11:42:22,439 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 11:42:22,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 11:42:22,440 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 -> 49bf9fd75d56d44e7e1e54aefea9fad1d2b78cb24b15e9eb5cce5de020ddf3d7 [2024-11-07 11:42:22,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 11:42:22,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 11:42:22,763 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 11:42:22,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 11:42:22,764 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 11:42:22,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2024-11-07 11:42:24,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 11:42:24,817 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 11:42:24,818 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i [2024-11-07 11:42:24,871 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d665aff58/7c47ac3a012346fb98a43773a313c712/FLAG233f4c13f [2024-11-07 11:42:24,895 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d665aff58/7c47ac3a012346fb98a43773a313c712 [2024-11-07 11:42:24,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 11:42:24,900 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 11:42:24,901 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 11:42:24,901 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 11:42:24,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 11:42:24,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:42:24" (1/1) ... [2024-11-07 11:42:24,909 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65fbd6e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:24, skipping insertion in model container [2024-11-07 11:42:24,910 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 11:42:24" (1/1) ... [2024-11-07 11:42:25,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 11:42:25,280 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_append_with_lookup_harness_negated.i[4505,4518] [2024-11-07 11:42:25,288 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_append_with_lookup_harness_negated.i[4565,4578] [2024-11-07 11:42:25,887 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:25,887 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:25,888 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:25,888 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:25,889 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:25,927 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:25,928 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:25,929 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:25,929 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,308 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,309 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,393 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,460 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:42:26,557 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 11:42:26,575 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_append_with_lookup_harness_negated.i[4505,4518] [2024-11-07 11:42:26,576 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_append_with_lookup_harness_negated.i[4565,4578] [2024-11-07 11:42:26,620 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,621 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,622 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,629 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,629 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,630 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,630 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,715 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,715 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,784 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8265] [2024-11-07 11:42:26,786 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,786 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-07 11:42:26,797 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8751-8762] [2024-11-07 11:42:26,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 11:42:27,017 INFO L204 MainTranslator]: Completed translation [2024-11-07 11:42:27,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27 WrapperNode [2024-11-07 11:42:27,020 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 11:42:27,021 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 11:42:27,021 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 11:42:27,021 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 11:42:27,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27" (1/1) ... [2024-11-07 11:42:27,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27" (1/1) ... [2024-11-07 11:42:27,247 INFO L138 Inliner]: procedures = 680, calls = 2646, calls flagged for inlining = 63, calls inlined = 10, statements flattened = 972 [2024-11-07 11:42:27,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 11:42:27,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 11:42:27,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 11:42:27,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 11:42:27,258 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27" (1/1) ... [2024-11-07 11:42:27,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27" (1/1) ... [2024-11-07 11:42:27,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27" (1/1) ... [2024-11-07 11:42:27,349 INFO L175 MemorySlicer]: Split 572 memory accesses to 9 slices as follows [2, 257, 238, 20, 4, 9, 32, 1, 9]. 45 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [2, 0, 6, 2, 2, 5, 4, 0, 4]. The 494 writes are split as follows [0, 257, 232, 1, 0, 1, 3, 0, 0]. [2024-11-07 11:42:27,349 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27" (1/1) ... [2024-11-07 11:42:27,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27" (1/1) ... [2024-11-07 11:42:27,399 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27" (1/1) ... [2024-11-07 11:42:27,407 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27" (1/1) ... [2024-11-07 11:42:27,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27" (1/1) ... [2024-11-07 11:42:27,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27" (1/1) ... [2024-11-07 11:42:27,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 11:42:27,465 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 11:42:27,465 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 11:42:27,465 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 11:42:27,466 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27" (1/1) ... [2024-11-07 11:42:27,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 11:42:27,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 11:42:27,505 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 11:42:27,510 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 11:42:27,534 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-07 11:42:27,535 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-07 11:42:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-07 11:42:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#8 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-07 11:42:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-07 11:42:27,536 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-07 11:42:27,536 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 11:42:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-07 11:42:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#8 [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-07 11:42:27,537 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 11:42:27,537 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-07 11:42:27,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-07 11:42:27,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-07 11:42:27,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-07 11:42:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-07 11:42:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure assert_bytes_match [2024-11-07 11:42:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_bytes_match [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-07 11:42:27,543 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 11:42:27,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-07 11:42:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-07 11:42:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-07 11:42:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-07 11:42:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-07 11:42:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-07 11:42:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-07 11:42:27,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-07 11:42:27,919 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 11:42:27,922 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 11:42:36,874 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-07 11:42:36,878 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 11:42:36,890 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 11:42:36,892 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-07 11:42:36,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:42:36 BoogieIcfgContainer [2024-11-07 11:42:36,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 11:42:36,895 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 11:42:36,896 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 11:42:36,901 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 11:42:36,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 11:42:24" (1/3) ... [2024-11-07 11:42:36,901 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f2f797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:42:36, skipping insertion in model container [2024-11-07 11:42:36,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 11:42:27" (2/3) ... [2024-11-07 11:42:36,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11f2f797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 11:42:36, skipping insertion in model container [2024-11-07 11:42:36,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 11:42:36" (3/3) ... [2024-11-07 11:42:36,903 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_append_with_lookup_harness_negated.i [2024-11-07 11:42:36,913 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 11:42:36,914 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-07 11:42:36,961 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 11:42:36,974 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;@15928673, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 11:42:36,974 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-07 11:42:36,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 107 states have internal predecessors, (130), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-07 11:42:36,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-07 11:42:36,987 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:42:36,988 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:42:36,988 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:42:36,991 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:42:36,991 INFO L85 PathProgramCache]: Analyzing trace with hash -454301623, now seen corresponding path program 1 times [2024-11-07 11:42:36,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:42:36,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449212650] [2024-11-07 11:42:36,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:42:36,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 11:43:48,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-07 11:43:49,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-07 11:43:49,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-07 11:43:49,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-07 11:43:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-07 11:43:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-07 11:43:49,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-07 11:43:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-07 11:43:49,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-07 11:43:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-07 11:43:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-07 11:43:49,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-07 11:43:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-07 11:43:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-07 11:43:49,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-07 11:43:49,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-07 11:43:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 11:43:49,385 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-07 11:43:49,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 11:43:49,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449212650] [2024-11-07 11:43:49,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449212650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 11:43:49,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 11:43:49,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 11:43:49,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713505934] [2024-11-07 11:43:49,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 11:43:49,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-07 11:43:49,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 11:43:49,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-07 11:43:49,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-07 11:43:49,416 INFO L87 Difference]: Start difference. First operand has 164 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 107 states have internal predecessors, (130), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 11:43:53,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-07 11:43:55,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 11:43:55,964 INFO L93 Difference]: Finished difference Result 324 states and 457 transitions. [2024-11-07 11:43:55,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-07 11:43:55,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 106 [2024-11-07 11:43:55,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 11:43:55,978 INFO L225 Difference]: With dead ends: 324 [2024-11-07 11:43:55,978 INFO L226 Difference]: Without dead ends: 159 [2024-11-07 11:43:55,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 11:43:55,988 INFO L432 NwaCegarLoop]: 129 mSDtfsCounter, 79 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 38 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-07 11:43:55,990 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 179 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2024-11-07 11:43:56,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-07 11:43:56,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-07 11:43:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 102 states have (on average 1.2058823529411764) internal successors, (123), 103 states have internal predecessors, (123), 44 states have call successors, (44), 12 states have call predecessors, (44), 12 states have return successors, (43), 43 states have call predecessors, (43), 43 states have call successors, (43) [2024-11-07 11:43:56,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 210 transitions. [2024-11-07 11:43:56,049 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 210 transitions. Word has length 106 [2024-11-07 11:43:56,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 11:43:56,051 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 210 transitions. [2024-11-07 11:43:56,051 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 2 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-07 11:43:56,052 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 210 transitions. [2024-11-07 11:43:56,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-07 11:43:56,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 11:43:56,057 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 11:43:56,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 11:43:56,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-07 11:43:56,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 11:43:56,058 INFO L85 PathProgramCache]: Analyzing trace with hash 889441429, now seen corresponding path program 1 times [2024-11-07 11:43:56,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 11:43:56,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579273702] [2024-11-07 11:43:56,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 11:43:56,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms