./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 14:48:34,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 14:48:34,399 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-11 14:48:34,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 14:48:34,403 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 14:48:34,430 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 14:48:34,430 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 14:48:34,431 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 14:48:34,433 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 14:48:34,433 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 14:48:34,433 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 14:48:34,433 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 14:48:34,434 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 14:48:34,434 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 14:48:34,434 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 14:48:34,434 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 14:48:34,435 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 14:48:34,435 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 14:48:34,435 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 14:48:34,435 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 14:48:34,435 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 14:48:34,438 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 14:48:34,439 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 14:48:34,439 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 14:48:34,443 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 14:48:34,443 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 14:48:34,443 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 14:48:34,443 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 14:48:34,443 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 14:48:34,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:48:34,444 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 14:48:34,444 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 14:48:34,444 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 14:48:34,444 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 14:48:34,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 14:48:34,444 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 14:48:34,444 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 14:48:34,445 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 14:48:34,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 14:48:34,445 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 [2024-10-11 14:48:34,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 14:48:34,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 14:48:34,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 14:48:34,692 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 14:48:34,692 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 14:48:34,693 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-10-11 14:48:36,127 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 14:48:36,599 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 14:48:36,599 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-10-11 14:48:36,650 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/34feba039/e21bbcf7579a4e67ba2cc46c5fed0006/FLAG6132d49cf [2024-10-11 14:48:36,690 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/34feba039/e21bbcf7579a4e67ba2cc46c5fed0006 [2024-10-11 14:48:36,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 14:48:36,700 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 14:48:36,730 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 14:48:36,730 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 14:48:36,735 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 14:48:36,740 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:48:36" (1/1) ... [2024-10-11 14:48:36,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ce2f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:36, skipping insertion in model container [2024-10-11 14:48:36,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:48:36" (1/1) ... [2024-10-11 14:48:36,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 14:48:37,031 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4499,4512] [2024-10-11 14:48:37,036 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4559,4572] [2024-10-11 14:48:37,479 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,480 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,480 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,481 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,484 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,499 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,502 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,504 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,506 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,507 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,509 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,509 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,512 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,848 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,853 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,898 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,898 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,898 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,899 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,899 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,899 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,900 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,903 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,903 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,903 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,903 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,904 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,904 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,906 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,908 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,908 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,909 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,915 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,915 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,923 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,923 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,924 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:37,937 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:48:37,973 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 14:48:37,988 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4499,4512] [2024-10-11 14:48:37,988 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4559,4572] [2024-10-11 14:48:38,021 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,022 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,023 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,024 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,024 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,030 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,030 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,031 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,031 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,031 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,032 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,032 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,032 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,181 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,188 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,196 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] [2024-10-11 14:48:38,225 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,225 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,226 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,226 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,226 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,226 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,226 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,227 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,227 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,227 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,227 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,232 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,232 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,233 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,233 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,233 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,233 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,235 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,235 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,244 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,248 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,249 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-11 14:48:38,262 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 14:48:38,518 INFO L204 MainTranslator]: Completed translation [2024-10-11 14:48:38,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38 WrapperNode [2024-10-11 14:48:38,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 14:48:38,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 14:48:38,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 14:48:38,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 14:48:38,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38" (1/1) ... [2024-10-11 14:48:38,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38" (1/1) ... [2024-10-11 14:48:38,677 INFO L138 Inliner]: procedures = 687, calls = 1957, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 787 [2024-10-11 14:48:38,678 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 14:48:38,678 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 14:48:38,678 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 14:48:38,678 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 14:48:38,696 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38" (1/1) ... [2024-10-11 14:48:38,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38" (1/1) ... [2024-10-11 14:48:38,704 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38" (1/1) ... [2024-10-11 14:48:38,766 INFO L175 MemorySlicer]: Split 351 memory accesses to 8 slices as follows [2, 236, 5, 7, 5, 3, 14, 79]. 67 percent of accesses are in the largest equivalence class. The 260 initializations are split as follows [2, 236, 0, 0, 0, 1, 5, 16]. The 13 writes are split as follows [0, 0, 2, 2, 2, 1, 2, 4]. [2024-10-11 14:48:38,767 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38" (1/1) ... [2024-10-11 14:48:38,767 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38" (1/1) ... [2024-10-11 14:48:38,808 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38" (1/1) ... [2024-10-11 14:48:38,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38" (1/1) ... [2024-10-11 14:48:38,830 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38" (1/1) ... [2024-10-11 14:48:38,837 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38" (1/1) ... [2024-10-11 14:48:38,847 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 14:48:38,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 14:48:38,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 14:48:38,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 14:48:38,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38" (1/1) ... [2024-10-11 14:48:38,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 14:48:38,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:38,899 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 14:48:38,908 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 14:48:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-11 14:48:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-11 14:48:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-11 14:48:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-11 14:48:38,950 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-11 14:48:38,950 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-11 14:48:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-11 14:48:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-11 14:48:38,951 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-11 14:48:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-11 14:48:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-11 14:48:38,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-11 14:48:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-11 14:48:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-11 14:48:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-11 14:48:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-11 14:48:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-11 14:48:38,952 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-11 14:48:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-11 14:48:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-11 14:48:38,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-11 14:48:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-11 14:48:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 14:48:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-11 14:48:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-11 14:48:38,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-11 14:48:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-11 14:48:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-11 14:48:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-11 14:48:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-11 14:48:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-11 14:48:38,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 14:48:38,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 14:48:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-11 14:48:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-11 14:48:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-11 14:48:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-11 14:48:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-11 14:48:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-11 14:48:38,955 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-11 14:48:38,955 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-11 14:48:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-11 14:48:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-11 14:48:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-11 14:48:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-11 14:48:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 14:48:38,956 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 14:48:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-11 14:48:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-11 14:48:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-11 14:48:38,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-11 14:48:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-11 14:48:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-11 14:48:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-11 14:48:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-11 14:48:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-11 14:48:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-11 14:48:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-11 14:48:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-11 14:48:38,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-11 14:48:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-11 14:48:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-11 14:48:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-11 14:48:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-11 14:48:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-11 14:48:38,958 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-11 14:48:38,958 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-11 14:48:38,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-11 14:48:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-11 14:48:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-11 14:48:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-11 14:48:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-11 14:48:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-11 14:48:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-11 14:48:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-11 14:48:38,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-11 14:48:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:48:38,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:48:38,960 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-10-11 14:48:38,961 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-10-11 14:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 14:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-11 14:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-11 14:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-11 14:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-11 14:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-11 14:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-11 14:48:38,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-11 14:48:39,247 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 14:48:39,249 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 14:48:39,970 INFO L? ?]: Removed 185 outVars from TransFormulas that were not future-live. [2024-10-11 14:48:39,970 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 14:48:40,100 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 14:48:40,101 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 14:48:40,101 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:48:40 BoogieIcfgContainer [2024-10-11 14:48:40,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 14:48:40,103 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 14:48:40,103 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 14:48:40,106 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 14:48:40,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:48:36" (1/3) ... [2024-10-11 14:48:40,106 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235e2ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:48:40, skipping insertion in model container [2024-10-11 14:48:40,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:48:38" (2/3) ... [2024-10-11 14:48:40,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@235e2ddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:48:40, skipping insertion in model container [2024-10-11 14:48:40,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:48:40" (3/3) ... [2024-10-11 14:48:40,108 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness_negated.i [2024-10-11 14:48:40,121 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 14:48:40,121 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 14:48:40,175 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 14:48:40,181 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;@7b80141, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 14:48:40,182 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 14:48:40,186 INFO L276 IsEmpty]: Start isEmpty. Operand has 201 states, 123 states have (on average 1.2520325203252032) internal successors, (154), 124 states have internal predecessors, (154), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-11 14:48:40,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 14:48:40,201 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:40,202 INFO L215 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:48:40,204 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:40,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:40,208 INFO L85 PathProgramCache]: Analyzing trace with hash 441172773, now seen corresponding path program 1 times [2024-10-11 14:48:40,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:40,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321421568] [2024-10-11 14:48:40,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:40,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:40,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:40,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:40,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:40,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:40,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:40,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 14:48:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 14:48:40,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 14:48:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 14:48:40,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 14:48:40,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:40,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 14:48:40,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 14:48:41,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 14:48:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:41,016 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-10-11 14:48:41,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:41,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321421568] [2024-10-11 14:48:41,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321421568] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:41,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:48:41,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 14:48:41,019 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [299920682] [2024-10-11 14:48:41,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:41,023 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 14:48:41,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:41,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 14:48:41,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 14:48:41,042 INFO L87 Difference]: Start difference. First operand has 201 states, 123 states have (on average 1.2520325203252032) internal successors, (154), 124 states have internal predecessors, (154), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-11 14:48:41,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:41,938 INFO L93 Difference]: Finished difference Result 407 states and 594 transitions. [2024-10-11 14:48:41,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 14:48:41,940 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 126 [2024-10-11 14:48:41,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:41,948 INFO L225 Difference]: With dead ends: 407 [2024-10-11 14:48:41,948 INFO L226 Difference]: Without dead ends: 224 [2024-10-11 14:48:41,955 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 14:48:41,961 INFO L432 NwaCegarLoop]: 186 mSDtfsCounter, 143 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 296 SdHoareTripleChecker+Invalid, 448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:41,961 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 296 Invalid, 448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 14:48:41,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2024-10-11 14:48:42,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 199. [2024-10-11 14:48:42,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 199 states, 122 states have (on average 1.2295081967213115) internal successors, (150), 123 states have internal predecessors, (150), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-10-11 14:48:42,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 267 transitions. [2024-10-11 14:48:42,023 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 267 transitions. Word has length 126 [2024-10-11 14:48:42,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:42,024 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 267 transitions. [2024-10-11 14:48:42,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-11 14:48:42,024 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 267 transitions. [2024-10-11 14:48:42,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-10-11 14:48:42,027 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:42,027 INFO L215 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:48:42,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 14:48:42,027 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:42,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:42,028 INFO L85 PathProgramCache]: Analyzing trace with hash 962487219, now seen corresponding path program 1 times [2024-10-11 14:48:42,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:42,028 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938879675] [2024-10-11 14:48:42,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:42,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:43,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:43,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:43,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 14:48:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 14:48:43,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 14:48:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 14:48:43,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 14:48:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 14:48:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 14:48:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 14:48:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,499 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-11 14:48:43,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:43,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938879675] [2024-10-11 14:48:43,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938879675] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:43,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636723054] [2024-10-11 14:48:43,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:43,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:43,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:43,502 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:43,503 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 14:48:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:43,913 INFO L255 TraceCheckSpWp]: Trace formula consists of 2305 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 14:48:43,920 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:43,987 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-10-11 14:48:43,987 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 14:48:43,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636723054] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:43,987 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-11 14:48:43,987 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 11 [2024-10-11 14:48:43,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243453283] [2024-10-11 14:48:43,988 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:43,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 14:48:43,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:43,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 14:48:43,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-10-11 14:48:43,990 INFO L87 Difference]: Start difference. First operand 199 states and 267 transitions. Second operand has 6 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 14:48:44,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:44,304 INFO L93 Difference]: Finished difference Result 209 states and 279 transitions. [2024-10-11 14:48:44,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-11 14:48:44,304 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 126 [2024-10-11 14:48:44,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:44,307 INFO L225 Difference]: With dead ends: 209 [2024-10-11 14:48:44,307 INFO L226 Difference]: Without dead ends: 207 [2024-10-11 14:48:44,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-10-11 14:48:44,311 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 3 mSDsluCounter, 984 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1235 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:44,311 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1235 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 14:48:44,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-10-11 14:48:44,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 206. [2024-10-11 14:48:44,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 128 states have internal predecessors, (154), 60 states have call successors, (60), 18 states have call predecessors, (60), 19 states have return successors, (62), 59 states have call predecessors, (62), 59 states have call successors, (62) [2024-10-11 14:48:44,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 276 transitions. [2024-10-11 14:48:44,332 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 276 transitions. Word has length 126 [2024-10-11 14:48:44,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:44,333 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 276 transitions. [2024-10-11 14:48:44,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2024-10-11 14:48:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 276 transitions. [2024-10-11 14:48:44,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-10-11 14:48:44,338 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:44,338 INFO L215 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:48:44,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-11 14:48:44,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:44,539 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:44,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:44,540 INFO L85 PathProgramCache]: Analyzing trace with hash -672048325, now seen corresponding path program 1 times [2024-10-11 14:48:44,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:44,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277503582] [2024-10-11 14:48:44,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:44,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:45,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:45,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:45,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:45,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:45,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:45,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 14:48:45,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 14:48:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 14:48:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 14:48:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 14:48:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 14:48:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 14:48:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 14:48:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 14:48:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:45,376 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-10-11 14:48:45,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:45,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277503582] [2024-10-11 14:48:45,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277503582] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 14:48:45,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 14:48:45,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-11 14:48:45,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355721166] [2024-10-11 14:48:45,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 14:48:45,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-11 14:48:45,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:45,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-11 14:48:45,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-10-11 14:48:45,380 INFO L87 Difference]: Start difference. First operand 206 states and 276 transitions. Second operand has 8 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 14:48:46,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:46,667 INFO L93 Difference]: Finished difference Result 394 states and 529 transitions. [2024-10-11 14:48:46,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 14:48:46,668 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 134 [2024-10-11 14:48:46,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:46,671 INFO L225 Difference]: With dead ends: 394 [2024-10-11 14:48:46,672 INFO L226 Difference]: Without dead ends: 167 [2024-10-11 14:48:46,673 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2024-10-11 14:48:46,673 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 221 mSDsluCounter, 431 mSDsCounter, 0 mSdLazyCounter, 941 mSolverCounterSat, 161 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 239 SdHoareTripleChecker+Valid, 575 SdHoareTripleChecker+Invalid, 1102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 161 IncrementalHoareTripleChecker+Valid, 941 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:46,673 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [239 Valid, 575 Invalid, 1102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [161 Valid, 941 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 14:48:46,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-10-11 14:48:46,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 162. [2024-10-11 14:48:46,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 94 states have (on average 1.1702127659574468) internal successors, (110), 95 states have internal predecessors, (110), 53 states have call successors, (53), 14 states have call predecessors, (53), 14 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-10-11 14:48:46,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 215 transitions. [2024-10-11 14:48:46,685 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 215 transitions. Word has length 134 [2024-10-11 14:48:46,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:46,686 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 215 transitions. [2024-10-11 14:48:46,686 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 7.0) internal successors, (49), 6 states have internal predecessors, (49), 5 states have call successors, (24), 4 states have call predecessors, (24), 2 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-11 14:48:46,686 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 215 transitions. [2024-10-11 14:48:46,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-10-11 14:48:46,687 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 14:48:46,687 INFO L215 NwaCegarLoop]: trace histogram [9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 14:48:46,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 14:48:46,688 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 14:48:46,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 14:48:46,688 INFO L85 PathProgramCache]: Analyzing trace with hash -777514377, now seen corresponding path program 1 times [2024-10-11 14:48:46,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 14:48:46,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048408252] [2024-10-11 14:48:46,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:46,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 14:48:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 14:48:47,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-11 14:48:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:47,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 14:48:47,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-11 14:48:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-11 14:48:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 14:48:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 14:48:47,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-11 14:48:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-11 14:48:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-11 14:48:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-11 14:48:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-11 14:48:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-11 14:48:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-11 14:48:47,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-11 14:48:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-11 14:48:47,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 14:48:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-11 14:48:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 14:48:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-11 14:48:47,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 14:48:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-11 14:48:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:47,547 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-11 14:48:47,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 14:48:47,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048408252] [2024-10-11 14:48:47,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048408252] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 14:48:47,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1249089936] [2024-10-11 14:48:47,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 14:48:47,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:47,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 14:48:47,550 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 14:48:47,555 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 14:48:48,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 14:48:48,009 INFO L255 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-10-11 14:48:48,015 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 14:48:48,376 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 94 proven. 7 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-10-11 14:48:48,377 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 14:48:48,657 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-10-11 14:48:48,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1249089936] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 14:48:48,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 14:48:48,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 8] total 18 [2024-10-11 14:48:48,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125537635] [2024-10-11 14:48:48,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 14:48:48,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-10-11 14:48:48,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 14:48:48,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-10-11 14:48:48,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2024-10-11 14:48:48,659 INFO L87 Difference]: Start difference. First operand 162 states and 215 transitions. Second operand has 18 states, 14 states have (on average 5.071428571428571) internal successors, (71), 12 states have internal predecessors, (71), 6 states have call successors, (40), 5 states have call predecessors, (40), 7 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) [2024-10-11 14:48:49,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 14:48:49,950 INFO L93 Difference]: Finished difference Result 180 states and 230 transitions. [2024-10-11 14:48:49,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-11 14:48:49,950 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 14 states have (on average 5.071428571428571) internal successors, (71), 12 states have internal predecessors, (71), 6 states have call successors, (40), 5 states have call predecessors, (40), 7 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) Word has length 132 [2024-10-11 14:48:49,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 14:48:49,951 INFO L225 Difference]: With dead ends: 180 [2024-10-11 14:48:49,951 INFO L226 Difference]: Without dead ends: 0 [2024-10-11 14:48:49,952 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 302 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2024-10-11 14:48:49,952 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 36 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 14:48:49,952 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 307 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 14:48:49,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-11 14:48:49,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-11 14:48:49,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-11 14:48:49,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-11 14:48:49,953 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 132 [2024-10-11 14:48:49,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 14:48:49,953 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-11 14:48:49,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 14 states have (on average 5.071428571428571) internal successors, (71), 12 states have internal predecessors, (71), 6 states have call successors, (40), 5 states have call predecessors, (40), 7 states have return successors, (37), 6 states have call predecessors, (37), 6 states have call successors, (37) [2024-10-11 14:48:49,953 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-11 14:48:49,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-11 14:48:49,956 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-11 14:48:49,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-11 14:48:50,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 14:48:50,163 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-10-11 14:48:50,165 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-11 14:49:14,266 WARN L286 SmtUtils]: Spent 24.06s on a formula simplification that was a NOOP. DAG size: 25 (called from [L 162] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.combineInter) [2024-10-11 14:49:14,467 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 14:49:14,483 WARN L155 FloydHoareUtils]: Requires clause for bounded_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-11 14:49:14,487 WARN L155 FloydHoareUtils]: Requires clause for aws_priority_queue_is_valid contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#5.offset)| |#memory_$Pointer$#5.offset|) (= |#memory_int#5| |old(#memory_int#5)|) (= |#memory_$Pointer$#5.base| |old(#memory_$Pointer$#5.base)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#memory_real#5| |old(#memory_real#5)|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-11 14:49:14,494 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-11 14:49:14,495 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-11 14:49:14,495 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#5.offset [2024-10-11 14:49:14,495 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#5.offset [2024-10-11 14:49:14,495 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-10-11 14:49:14,495 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int#5 [2024-10-11 14:49:14,495 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#5.base [2024-10-11 14:49:14,495 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#5.base [2024-10-11 14:49:14,495 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_real#5 [2024-10-11 14:49:14,495 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_real#5 [2024-10-11 14:49:14,495 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-10-11 14:49:14,495 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-10-11 14:49:14,495 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~queue!base [2024-10-11 14:49:14,501 WARN L155 FloydHoareUtils]: Requires clause for ensure_array_list_has_allocated_data_member contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#7.base)| |#memory_$Pointer$#7.base|) (= |#memory_real#7| |old(#memory_real#7)|) (= |old(#memory_$Pointer$#6.offset)| |#memory_$Pointer$#6.offset|) (= |#memory_real#6| |old(#memory_real#6)|) (= |#memory_$Pointer$#7.offset| |old(#memory_$Pointer$#7.offset)|) (= |old(#memory_$Pointer$#6.base)| |#memory_$Pointer$#6.base|) (= |#memory_int#6| |old(#memory_int#6)|) (= |old(#valid)| |#valid|) (= |#memory_int#7| |old(#memory_int#7)|)) Eliminated clause: true [2024-10-11 14:49:14,504 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-11 14:49:14,505 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-11 14:49:14,505 WARN L155 FloydHoareUtils]: Requires clause for aws_array_list_is_valid contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#5.offset)| |#memory_$Pointer$#5.offset|) (= |#memory_int#5| |old(#memory_int#5)|) (= |#memory_$Pointer$#5.base| |old(#memory_$Pointer$#5.base)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#memory_real#5| |old(#memory_real#5)|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-11 14:49:14,506 WARN L155 FloydHoareUtils]: Requires clause for aws_raise_error contained old-variable. Original clause: (= ~tl_last_error~0 |old(~tl_last_error~0)|) Eliminated clause: true [2024-10-11 14:49:14,506 WARN L155 FloydHoareUtils]: Requires clause for __CPROVER_overflow_mult contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-11 14:49:14,507 WARN L155 FloydHoareUtils]: Requires clause for aws_mul_size_checked contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#5.offset)| |#memory_$Pointer$#5.offset|) (= |#memory_int#5| |old(#memory_int#5)|) (= |#memory_$Pointer$#5.base| |old(#memory_$Pointer$#5.base)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#memory_real#5| |old(#memory_real#5)|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-11 14:49:14,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:49:14 BoogieIcfgContainer [2024-10-11 14:49:14,508 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 14:49:14,508 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 14:49:14,508 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 14:49:14,509 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 14:49:14,509 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:48:40" (3/4) ... [2024-10-11 14:49:14,511 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-11 14:49:14,513 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_is_valid [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_size_t [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2024-10-11 14:49:14,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_backpointer_index_valid [2024-10-11 14:49:14,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_mem_zeroed [2024-10-11 14:49:14,515 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-11 14:49:14,531 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 156 nodes and edges [2024-10-11 14:49:14,535 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2024-10-11 14:49:14,536 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2024-10-11 14:49:14,536 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-11 14:49:14,537 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-11 14:49:14,538 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-11 14:49:14,539 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-11 14:49:14,539 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-11 14:49:15,025 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-11 14:49:15,026 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-11 14:49:15,027 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 14:49:15,027 INFO L158 Benchmark]: Toolchain (without parser) took 38327.28ms. Allocated memory was 165.7MB in the beginning and 528.5MB in the end (delta: 362.8MB). Free memory was 90.3MB in the beginning and 198.5MB in the end (delta: -108.2MB). Peak memory consumption was 254.5MB. Max. memory is 16.1GB. [2024-10-11 14:49:15,027 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 14:49:15,028 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1789.58ms. Allocated memory is still 165.7MB. Free memory was 138.2MB in the beginning and 97.0MB in the end (delta: 41.2MB). Peak memory consumption was 121.8MB. Max. memory is 16.1GB. [2024-10-11 14:49:15,028 INFO L158 Benchmark]: Boogie Procedure Inliner took 157.81ms. Allocated memory is still 165.7MB. Free memory was 97.0MB in the beginning and 86.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-11 14:49:15,029 INFO L158 Benchmark]: Boogie Preprocessor took 172.92ms. Allocated memory is still 165.7MB. Free memory was 86.2MB in the beginning and 68.6MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-10-11 14:49:15,029 INFO L158 Benchmark]: RCFGBuilder took 1249.79ms. Allocated memory was 165.7MB in the beginning and 312.5MB in the end (delta: 146.8MB). Free memory was 68.6MB in the beginning and 239.1MB in the end (delta: -170.5MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2024-10-11 14:49:15,029 INFO L158 Benchmark]: TraceAbstraction took 34405.16ms. Allocated memory was 312.5MB in the beginning and 528.5MB in the end (delta: 216.0MB). Free memory was 238.0MB in the beginning and 326.5MB in the end (delta: -88.4MB). Peak memory consumption was 127.6MB. Max. memory is 16.1GB. [2024-10-11 14:49:15,030 INFO L158 Benchmark]: Witness Printer took 518.32ms. Allocated memory is still 528.5MB. Free memory was 326.5MB in the beginning and 198.5MB in the end (delta: 127.9MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. [2024-10-11 14:49:15,031 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 102.8MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1789.58ms. Allocated memory is still 165.7MB. Free memory was 138.2MB in the beginning and 97.0MB in the end (delta: 41.2MB). Peak memory consumption was 121.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 157.81ms. Allocated memory is still 165.7MB. Free memory was 97.0MB in the beginning and 86.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 172.92ms. Allocated memory is still 165.7MB. Free memory was 86.2MB in the beginning and 68.6MB in the end (delta: 17.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * RCFGBuilder took 1249.79ms. Allocated memory was 165.7MB in the beginning and 312.5MB in the end (delta: 146.8MB). Free memory was 68.6MB in the beginning and 239.1MB in the end (delta: -170.5MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * TraceAbstraction took 34405.16ms. Allocated memory was 312.5MB in the beginning and 528.5MB in the end (delta: 216.0MB). Free memory was 238.0MB in the beginning and 326.5MB in the end (delta: -88.4MB). Peak memory consumption was 127.6MB. Max. memory is 16.1GB. * Witness Printer took 518.32ms. Allocated memory is still 528.5MB. Free memory was 326.5MB in the beginning and 198.5MB in the end (delta: 127.9MB). Peak memory consumption was 125.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7738]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#5.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#5.offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#5.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_$Pointer$#5.base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_real#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_real#5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~queue!base - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.0s, OverallIterations: 4, TraceHistogramMax: 9, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 423 SdHoareTripleChecker+Valid, 3.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 403 mSDsluCounter, 2413 SdHoareTripleChecker+Invalid, 2.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1791 mSDsCounter, 340 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1901 IncrementalHoareTripleChecker+Invalid, 2241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 340 mSolverCounterUnsat, 622 mSDtfsCounter, 1901 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 625 GetRequests, 579 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=2, InterpolantAutomatonStates: 35, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 31 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 776 NumberOfCodeBlocks, 776 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 901 ConstructedInterpolants, 1 QuantifiedInterpolants, 1629 SizeOfPredicates, 10 NumberOfNonLiveVariables, 4621 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 1177/1217 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 2337]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 6936]: Procedure Contract for can_fail_malloc Derived contract for procedure can_fail_malloc. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 6716]: Procedure Contract for aws_array_list_is_bounded Derived contract for procedure aws_array_list_is_bounded. Ensures: (((\result == 1) || (\result == 0)) || (\result == 0)) - ProcedureContractResult [Line: 210]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 7165]: Procedure Contract for assert_byte_from_buffer_matches Derived contract for procedure assert_byte_from_buffer_matches. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 8146]: Procedure Contract for aws_priority_queue_backpointer_index_valid Derived contract for procedure aws_priority_queue_backpointer_index_valid. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 222]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: 0 Ensures: 0 RESULT: Ultimate proved your program to be correct! [2024-10-11 14:49:15,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE