./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_size_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_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 717a04d93cdb05e0e1badb8a5b5a815e5ffe711ba3ffceb407a0dd65280ab4bb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:14:45,294 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:14:45,384 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:14:45,390 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:14:45,391 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:14:45,422 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:14:45,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:14:45,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:14:45,425 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:14:45,426 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:14:45,426 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:14:45,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:14:45,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:14:45,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:14:45,428 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:14:45,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:14:45,431 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:14:45,431 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:14:45,432 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:14:45,432 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:14:45,432 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:14:45,433 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:14:45,433 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:14:45,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:14:45,437 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:14:45,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:14:45,438 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:14:45,438 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:14:45,438 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:14:45,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:14:45,439 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:14:45,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:14:45,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:14:45,439 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:14:45,439 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:14:45,440 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:14:45,440 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:14:45,440 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:14:45,442 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:14:45,442 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 717a04d93cdb05e0e1badb8a5b5a815e5ffe711ba3ffceb407a0dd65280ab4bb [2024-11-20 10:14:45,752 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:14:45,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:14:45,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:14:45,788 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:14:45,788 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:14:45,790 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i [2024-11-20 10:14:47,398 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:14:47,881 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:14:47,883 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_size_harness.i [2024-11-20 10:14:47,926 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04ebc72d6/976beece35e94b9d9741c811f7601730/FLAGb4bac7b1d [2024-11-20 10:14:47,944 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04ebc72d6/976beece35e94b9d9741c811f7601730 [2024-11-20 10:14:47,947 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:14:47,949 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:14:47,950 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:14:47,950 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:14:47,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:14:47,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:14:47" (1/1) ... [2024-11-20 10:14:47,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1240af84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:47, skipping insertion in model container [2024-11-20 10:14:47,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:14:47" (1/1) ... [2024-11-20 10:14:48,071 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:14:48,366 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_size_harness.i[4497,4510] [2024-11-20 10:14:48,376 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_size_harness.i[4557,4570] [2024-11-20 10:14:49,244 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,245 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,246 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,247 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,638 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,639 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:14:49,730 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:14:49,743 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_size_harness.i[4497,4510] [2024-11-20 10:14:49,743 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_size_harness.i[4557,4570] [2024-11-20 10:14:49,788 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,789 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,789 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,789 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,790 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,800 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,800 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,917 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,918 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:14:49,922 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-20 10:14:49,942 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:14:50,165 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:14:50,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50 WrapperNode [2024-11-20 10:14:50,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:14:50,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:14:50,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:14:50,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:14:50,175 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50" (1/1) ... [2024-11-20 10:14:50,268 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50" (1/1) ... [2024-11-20 10:14:50,347 INFO L138 Inliner]: procedures = 678, calls = 1543, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 673 [2024-11-20 10:14:50,348 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:14:50,349 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:14:50,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:14:50,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:14:50,360 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50" (1/1) ... [2024-11-20 10:14:50,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50" (1/1) ... [2024-11-20 10:14:50,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50" (1/1) ... [2024-11-20 10:14:50,463 INFO L175 MemorySlicer]: Split 335 memory accesses to 6 slices as follows [238, 2, 79, 3, 6, 7]. 71 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 10, 1, 0, 5]. The 252 writes are split as follows [232, 0, 17, 1, 2, 0]. [2024-11-20 10:14:50,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50" (1/1) ... [2024-11-20 10:14:50,464 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50" (1/1) ... [2024-11-20 10:14:50,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50" (1/1) ... [2024-11-20 10:14:50,512 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50" (1/1) ... [2024-11-20 10:14:50,524 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50" (1/1) ... [2024-11-20 10:14:50,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50" (1/1) ... [2024-11-20 10:14:50,540 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:14:50,541 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:14:50,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:14:50,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:14:50,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50" (1/1) ... [2024-11-20 10:14:50,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:14:50,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:14:50,638 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) [2024-11-20 10:14:50,650 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 [2024-11-20 10:14:50,719 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-20 10:14:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-20 10:14:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:14:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-20 10:14:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-20 10:14:50,721 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-20 10:14:50,721 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-20 10:14:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:14:50,722 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:14:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:14:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:14:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:14:50,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:14:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:14:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:14:50,726 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:14:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:14:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:14:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:14:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:14:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:14:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 10:14:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 10:14:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:14:50,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:14:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:14:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:14:50,727 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-20 10:14:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-20 10:14:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:14:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:14:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:14:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:14:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:14:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:14:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:14:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:14:50,728 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:14:50,728 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:14:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-20 10:14:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-20 10:14:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-20 10:14:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-20 10:14:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-20 10:14:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-20 10:14:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:14:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:14:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:14:50,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:14:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:14:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:14:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-20 10:14:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-20 10:14:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-20 10:14:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-20 10:14:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:14:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:14:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:14:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:14:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:14:50,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:14:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:14:50,735 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-20 10:14:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-20 10:14:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:14:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:14:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:14:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:14:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:14:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:14:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-20 10:14:50,741 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-20 10:14:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-20 10:14:50,742 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-20 10:14:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:14:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:14:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:14:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:14:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:14:50,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:14:51,111 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:14:51,113 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:14:57,183 INFO L? ?]: Removed 144 outVars from TransFormulas that were not future-live. [2024-11-20 10:14:57,184 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:14:57,201 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:14:57,202 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 10:14:57,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:14:57 BoogieIcfgContainer [2024-11-20 10:14:57,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:14:57,205 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:14:57,205 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:14:57,209 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:14:57,209 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:14:47" (1/3) ... [2024-11-20 10:14:57,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11347079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:14:57, skipping insertion in model container [2024-11-20 10:14:57,210 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:14:50" (2/3) ... [2024-11-20 10:14:57,210 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11347079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:14:57, skipping insertion in model container [2024-11-20 10:14:57,211 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:14:57" (3/3) ... [2024-11-20 10:14:57,212 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_size_harness.i [2024-11-20 10:14:57,230 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:14:57,231 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:14:57,315 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:14:57,322 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;@70beefeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:14:57,323 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:14:57,328 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 121 states have (on average 1.2148760330578512) internal successors, (147), 122 states have internal predecessors, (147), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-20 10:14:57,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-20 10:14:57,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:14:57,345 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 2, 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] [2024-11-20 10:14:57,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:14:57,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:14:57,350 INFO L85 PathProgramCache]: Analyzing trace with hash -436629978, now seen corresponding path program 1 times [2024-11-20 10:14:57,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:14:57,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277386367] [2024-11-20 10:14:57,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:14:57,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:15:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:15:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:15:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,560 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:15:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:15:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:15:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:15:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:15:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:15:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:15:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:15:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:15:03,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:03,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:03,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:04,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:04,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:04,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:15:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:04,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:15:04,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:04,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 10:15:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:04,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 10:15:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:04,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 10:15:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:04,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 10:15:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:04,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 10:15:04,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:04,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 10:15:04,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:04,453 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-20 10:15:04,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:15:04,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277386367] [2024-11-20 10:15:04,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277386367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:15:04,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:15:04,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 10:15:04,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [819269513] [2024-11-20 10:15:04,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:15:04,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 10:15:04,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:15:04,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 10:15:04,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:15:04,496 INFO L87 Difference]: Start difference. First operand has 187 states, 121 states have (on average 1.2148760330578512) internal successors, (147), 122 states have internal predecessors, (147), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-20 10:15:08,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:15:12,987 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:15:21,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:15:21,278 INFO L93 Difference]: Finished difference Result 383 states and 528 transitions. [2024-11-20 10:15:21,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-20 10:15:21,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2024-11-20 10:15:21,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:15:21,291 INFO L225 Difference]: With dead ends: 383 [2024-11-20 10:15:21,291 INFO L226 Difference]: Without dead ends: 214 [2024-11-20 10:15:21,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-20 10:15:21,299 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 350 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 214 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 13.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 360 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 592 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 214 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-11-20 10:15:21,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [360 Valid, 119 Invalid, 592 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [214 Valid, 376 Invalid, 2 Unknown, 0 Unchecked, 14.8s Time] [2024-11-20 10:15:21,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-20 10:15:21,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 182. [2024-11-20 10:15:21,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 117 states have (on average 1.1965811965811965) internal successors, (140), 118 states have internal predecessors, (140), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-20 10:15:21,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 231 transitions. [2024-11-20 10:15:21,371 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 231 transitions. Word has length 137 [2024-11-20 10:15:21,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:15:21,372 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 231 transitions. [2024-11-20 10:15:21,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 2 states have internal predecessors, (48), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-20 10:15:21,373 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 231 transitions. [2024-11-20 10:15:21,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-20 10:15:21,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:15:21,381 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 2, 2, 2, 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] [2024-11-20 10:15:21,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:15:21,381 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:15:21,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:15:21,382 INFO L85 PathProgramCache]: Analyzing trace with hash -411885338, now seen corresponding path program 1 times [2024-11-20 10:15:21,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:15:21,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857926164] [2024-11-20 10:15:21,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:15:21,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:15:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:15:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:15:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:15:27,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:15:27,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:15:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:15:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:15:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:15:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:15:27,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:15:27,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:27,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:15:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:15:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:27,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:15:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:28,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:15:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:28,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:15:28,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:28,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-20 10:15:28,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:28,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-20 10:15:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:28,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-20 10:15:28,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:28,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-20 10:15:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:28,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-20 10:15:28,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:28,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-20 10:15:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:15:28,876 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2024-11-20 10:15:28,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:15:28,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857926164] [2024-11-20 10:15:28,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857926164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:15:28,877 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:15:28,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-20 10:15:28,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247113621] [2024-11-20 10:15:28,877 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:15:28,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 10:15:28,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:15:28,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 10:15:28,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-20 10:15:28,880 INFO L87 Difference]: Start difference. First operand 182 states and 231 transitions. Second operand has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-20 10:15:32,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:15:37,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:15:57,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:15:57,321 INFO L93 Difference]: Finished difference Result 342 states and 444 transitions. [2024-11-20 10:15:57,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-20 10:15:57,322 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 137 [2024-11-20 10:15:57,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:15:57,326 INFO L225 Difference]: With dead ends: 342 [2024-11-20 10:15:57,326 INFO L226 Difference]: Without dead ends: 214 [2024-11-20 10:15:57,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-20 10:15:57,329 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 344 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 1052 mSolverCounterSat, 209 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 1263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1052 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.7s IncrementalHoareTripleChecker+Time [2024-11-20 10:15:57,329 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [366 Valid, 152 Invalid, 1263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [209 Valid, 1052 Invalid, 2 Unknown, 0 Unchecked, 24.7s Time] [2024-11-20 10:15:57,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-20 10:15:57,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 182. [2024-11-20 10:15:57,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 117 states have (on average 1.188034188034188) internal successors, (139), 118 states have internal predecessors, (139), 46 states have call successors, (46), 18 states have call predecessors, (46), 18 states have return successors, (45), 45 states have call predecessors, (45), 45 states have call successors, (45) [2024-11-20 10:15:57,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 230 transitions. [2024-11-20 10:15:57,367 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 230 transitions. Word has length 137 [2024-11-20 10:15:57,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:15:57,368 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 230 transitions. [2024-11-20 10:15:57,368 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-20 10:15:57,368 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 230 transitions. [2024-11-20 10:15:57,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-20 10:15:57,371 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:15:57,371 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 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, 1, 1, 1] [2024-11-20 10:15:57,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 10:15:57,372 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:15:57,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:15:57,372 INFO L85 PathProgramCache]: Analyzing trace with hash -1790964644, now seen corresponding path program 1 times [2024-11-20 10:15:57,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:15:57,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745886727] [2024-11-20 10:15:57,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:15:57,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:16:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:02,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:16:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:02,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:16:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:02,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:16:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:02,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:16:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:02,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:16:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:02,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:16:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:02,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:16:02,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:02,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:16:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:02,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 10:16:02,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:03,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 10:16:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:03,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:16:03,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:03,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:16:03,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:03,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-20 10:16:03,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:03,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-20 10:16:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:03,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-20 10:16:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:03,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:16:03,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:04,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:16:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:04,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 10:16:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:05,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 10:16:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:05,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-20 10:16:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:05,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-20 10:16:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:05,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 10:16:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:05,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 10:16:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:05,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-20 10:16:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:05,200 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-11-20 10:16:05,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:16:05,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745886727] [2024-11-20 10:16:05,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745886727] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 10:16:05,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1656936206] [2024-11-20 10:16:05,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:16:05,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 10:16:05,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:16:05,206 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) [2024-11-20 10:16:05,209 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 10:16:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:16:10,804 INFO L255 TraceCheckSpWp]: Trace formula consists of 4565 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 10:16:10,822 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 10:16:13,723 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2024-11-20 10:16:13,723 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 10:16:13,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1656936206] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:16:13,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 10:16:13,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 16 [2024-11-20 10:16:13,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657842224] [2024-11-20 10:16:13,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:16:13,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-20 10:16:13,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:16:13,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-20 10:16:13,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-20 10:16:13,727 INFO L87 Difference]: Start difference. First operand 182 states and 230 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22)