./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:22:48,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:22:49,085 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:22:49,094 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:22:49,094 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:22:49,140 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:22:49,141 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:22:49,141 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:22:49,141 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:22:49,142 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:22:49,142 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:22:49,142 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:22:49,159 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:22:49,160 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:22:49,160 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:22:49,160 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:22:49,161 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:22:49,161 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:22:49,161 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:22:49,161 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:22:49,162 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:22:49,166 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:22:49,166 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:22:49,167 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:22:49,167 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:22:49,167 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:22:49,167 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:22:49,167 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:22:49,167 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:22:49,167 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:22:49,168 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:22:49,168 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:22:49,168 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:22:49,168 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:22:49,168 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:22:49,168 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:22:49,168 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:22:49,169 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:22:49,169 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:22:49,169 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a [2024-11-19 02:22:49,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:22:49,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:22:49,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:22:49,422 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:22:49,423 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:22:49,424 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2024-11-19 02:22:50,754 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:22:51,129 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:22:51,129 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2024-11-19 02:22:51,172 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e23ae817/dcda60093e4e4644b9ec323ff98533bb/FLAG03860f75a [2024-11-19 02:22:51,324 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e23ae817/dcda60093e4e4644b9ec323ff98533bb [2024-11-19 02:22:51,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:22:51,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:22:51,334 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:22:51,334 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:22:51,339 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:22:51,340 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:22:51" (1/1) ... [2024-11-19 02:22:51,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54c9435f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:51, skipping insertion in model container [2024-11-19 02:22:51,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:22:51" (1/1) ... [2024-11-19 02:22:51,438 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:22:51,667 WARN L250 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.i[4499,4512] [2024-11-19 02:22:51,675 WARN L250 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.i[4559,4572] [2024-11-19 02:22:52,198 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,199 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,199 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,200 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,200 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,214 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,215 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,619 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,627 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,690 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,691 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,692 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,692 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,693 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,693 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,693 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,693 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,694 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,697 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,700 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,700 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,700 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,704 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,707 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,707 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,721 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,724 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:22:52,834 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:22:52,885 WARN L250 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.i[4499,4512] [2024-11-19 02:22:52,886 WARN L250 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.i[4559,4572] [2024-11-19 02:22:52,931 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,931 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,931 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,932 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,932 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,938 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,938 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,939 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,940 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,940 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,944 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,944 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:52,945 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,012 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,017 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,021 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2024-11-19 02:22:53,042 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,043 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,044 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,044 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,044 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,044 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,050 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,052 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,053 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,058 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,059 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,059 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:22:53,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:22:53,252 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:22:53,253 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53 WrapperNode [2024-11-19 02:22:53,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:22:53,254 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:22:53,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:22:53,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:22:53,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53" (1/1) ... [2024-11-19 02:22:53,338 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53" (1/1) ... [2024-11-19 02:22:53,401 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2024-11-19 02:22:53,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:22:53,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:22:53,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:22:53,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:22:53,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53" (1/1) ... [2024-11-19 02:22:53,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53" (1/1) ... [2024-11-19 02:22:53,421 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53" (1/1) ... [2024-11-19 02:22:53,498 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [5, 238, 2, 81, 5, 3, 7, 14]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [0, 6, 2, 5, 0, 1, 0, 5]. The 258 writes are split as follows [2, 232, 0, 17, 2, 1, 2, 2]. [2024-11-19 02:22:53,502 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53" (1/1) ... [2024-11-19 02:22:53,502 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53" (1/1) ... [2024-11-19 02:22:53,538 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53" (1/1) ... [2024-11-19 02:22:53,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53" (1/1) ... [2024-11-19 02:22:53,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53" (1/1) ... [2024-11-19 02:22:53,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53" (1/1) ... [2024-11-19 02:22:53,588 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:22:53,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:22:53,591 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:22:53,591 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:22:53,592 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53" (1/1) ... [2024-11-19 02:22:53,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:22:53,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:22:53,622 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 02:22:53,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 02:22:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-19 02:22:53,664 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-19 02:22:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:22:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-19 02:22:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-19 02:22:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-19 02:22:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-19 02:22:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:22:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:22:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:22:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:22:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:22:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:22:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:22:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:22:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:22:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-19 02:22:53,666 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:22:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:22:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:22:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:22:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:22:53,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:22:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:22:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-19 02:22:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:22:53,668 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:22:53,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:22:53,669 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:22:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:22:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:22:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:22:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:22:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:22:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:22:53,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:22:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:22:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:22:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-19 02:22:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:22:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:22:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:22:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:22:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:22:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:22:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:22:53,670 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:22:53,670 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-19 02:22:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-19 02:22:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:22:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:22:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:22:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:22:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:22:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:22:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:22:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-19 02:22:53,671 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-19 02:22:53,671 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-19 02:22:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-19 02:22:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-19 02:22:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:22:53,672 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:22:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:22:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:22:53,672 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:22:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-19 02:22:53,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-19 02:22:53,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-19 02:22:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-19 02:22:53,674 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:22:53,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-19 02:22:54,006 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:22:54,008 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:22:59,869 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-19 02:22:59,870 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:22:59,890 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:22:59,890 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-19 02:22:59,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:22:59 BoogieIcfgContainer [2024-11-19 02:22:59,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:22:59,894 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:22:59,894 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:22:59,896 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:22:59,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:22:51" (1/3) ... [2024-11-19 02:22:59,897 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fcb5dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:22:59, skipping insertion in model container [2024-11-19 02:22:59,897 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:22:53" (2/3) ... [2024-11-19 02:22:59,898 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fcb5dd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:22:59, skipping insertion in model container [2024-11-19 02:22:59,898 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:22:59" (3/3) ... [2024-11-19 02:22:59,899 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2024-11-19 02:22:59,912 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:22:59,913 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:22:59,983 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:22:59,989 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;@60932b57, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:22:59,990 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:22:59,996 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 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) [2024-11-19 02:23:00,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-19 02:23:00,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:23:00,013 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 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] [2024-11-19 02:23:00,014 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:23:00,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:23:00,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1366410741, now seen corresponding path program 1 times [2024-11-19 02:23:00,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:23:00,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486003162] [2024-11-19 02:23:00,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:23:00,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:23:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:23:05,767 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2024-11-19 02:23:05,768 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:23:05,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486003162] [2024-11-19 02:23:05,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486003162] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:23:05,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299922343] [2024-11-19 02:23:05,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:23:05,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:23:05,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:23:05,772 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:23:05,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 02:23:11,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:23:11,303 INFO L255 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 02:23:11,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:23:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2024-11-19 02:23:11,361 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:23:11,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299922343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:23:11,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:23:11,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 02:23:11,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [578573788] [2024-11-19 02:23:11,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:23:11,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 02:23:11,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:23:11,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 02:23:11,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:23:11,388 INFO L87 Difference]: Start difference. First operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 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 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-19 02:23:11,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:23:11,424 INFO L93 Difference]: Finished difference Result 413 states and 585 transitions. [2024-11-19 02:23:11,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 02:23:11,430 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 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 142 [2024-11-19 02:23:11,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:23:11,441 INFO L225 Difference]: With dead ends: 413 [2024-11-19 02:23:11,441 INFO L226 Difference]: Without dead ends: 213 [2024-11-19 02:23:11,445 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:23:11,448 INFO L432 NwaCegarLoop]: 286 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 286 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 02:23:11,448 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 286 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 02:23:11,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2024-11-19 02:23:11,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2024-11-19 02:23:11,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 136 states have (on average 1.2058823529411764) internal successors, (164), 137 states have internal predecessors, (164), 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) [2024-11-19 02:23:11,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 281 transitions. [2024-11-19 02:23:11,500 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 281 transitions. Word has length 142 [2024-11-19 02:23:11,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:23:11,501 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 281 transitions. [2024-11-19 02:23:11,501 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-19 02:23:11,501 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 281 transitions. [2024-11-19 02:23:11,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-19 02:23:11,504 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:23:11,504 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 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] [2024-11-19 02:23:11,527 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 02:23:11,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 02:23:11,709 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:23:11,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:23:11,710 INFO L85 PathProgramCache]: Analyzing trace with hash 2030466569, now seen corresponding path program 1 times [2024-11-19 02:23:11,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:23:11,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326150972] [2024-11-19 02:23:11,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:23:11,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:23:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:23:20,033 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 191 trivial. 0 not checked. [2024-11-19 02:23:20,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:23:20,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326150972] [2024-11-19 02:23:20,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326150972] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:23:20,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094721212] [2024-11-19 02:23:20,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:23:20,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:23:20,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:23:20,037 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:23:20,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 02:23:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:23:25,240 INFO L255 TraceCheckSpWp]: Trace formula consists of 4503 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-19 02:23:25,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:23:25,313 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-19 02:23:25,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2024-11-19 02:23:32,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-19 02:23:32,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 02:23:32,456 INFO L349 Elim1Store]: treesize reduction 39, result has 32.8 percent of original size [2024-11-19 02:23:32,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 35 [2024-11-19 02:23:32,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-19 02:23:32,801 INFO L349 Elim1Store]: treesize reduction 39, result has 32.8 percent of original size [2024-11-19 02:23:32,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38 treesize of output 35 [2024-11-19 02:23:39,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-11-19 02:23:39,849 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-19 02:23:39,850 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2024-11-19 02:23:39,874 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-19 02:23:39,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 3 [2024-11-19 02:23:44,270 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15