./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU --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 c76aa584f17d1e33f139a1a167c9edf580611a597c58d41f9a3cf9cc11662c3e --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:12:22,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:12:22,744 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:12:22,750 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:12:22,752 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:12:22,783 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:12:22,784 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:12:22,785 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:12:22,786 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:12:22,787 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:12:22,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:12:22,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:12:22,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:12:22,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:12:22,792 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:12:22,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:12:22,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:12:22,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:12:22,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:12:22,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:12:22,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:12:22,796 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:12:22,797 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:12:22,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:12:22,800 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:12:22,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:12:22,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:12:22,801 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:12:22,801 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:12:22,802 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:22,802 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:12:22,802 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:12:22,803 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:12:22,804 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:12:22,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:12:22,805 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:12:22,805 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:12:22,805 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:12:22,805 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:12:22,806 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c76aa584f17d1e33f139a1a167c9edf580611a597c58d41f9a3cf9cc11662c3e [2024-10-31 22:12:23,100 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:12:23,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:12:23,156 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:12:23,159 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:12:23,160 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:12:23,161 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:12:25,140 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:12:25,696 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:12:25,697 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i [2024-10-31 22:12:25,733 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU/data/da327c181/7e39d317561f4bc78c2cb82b6d9099bc/FLAGf6ea3d863 [2024-10-31 22:12:25,753 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU/data/da327c181/7e39d317561f4bc78c2cb82b6d9099bc [2024-10-31 22:12:25,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:12:25,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:12:25,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:25,760 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:12:25,768 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:12:25,769 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:25" (1/1) ... [2024-10-31 22:12:25,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15cff5d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:25, skipping insertion in model container [2024-10-31 22:12:25,771 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:25" (1/1) ... [2024-10-31 22:12:25,894 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:26,253 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i[4501,4514] [2024-10-31 22:12:26,262 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i[4561,4574] [2024-10-31 22:12:27,489 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:27,489 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:27,490 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:27,491 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:27,492 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:27,507 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:27,508 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:27,510 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:27,511 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,215 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,215 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:28,326 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:28,350 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i[4501,4514] [2024-10-31 22:12:28,351 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/sv-benchmarks/c/aws-c-common/aws_priority_queue_clean_up_harness_negated.i[4561,4574] [2024-10-31 22:12:28,438 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,439 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,439 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,439 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,443 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,456 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,457 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,458 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,458 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,575 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,576 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:28,594 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-10-31 22:12:28,628 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:28,901 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:28,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28 WrapperNode [2024-10-31 22:12:28,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:28,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:28,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:28,904 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:28,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28" (1/1) ... [2024-10-31 22:12:29,001 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28" (1/1) ... [2024-10-31 22:12:29,083 INFO L138 Inliner]: procedures = 678, calls = 1509, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 621 [2024-10-31 22:12:29,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:29,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:29,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:29,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:29,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28" (1/1) ... [2024-10-31 22:12:29,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28" (1/1) ... [2024-10-31 22:12:29,137 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28" (1/1) ... [2024-10-31 22:12:29,264 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 238, 3, 47, 6]. 80 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 6, 1, 0, 5]. The 251 writes are split as follows [0, 232, 1, 18, 0]. [2024-10-31 22:12:29,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28" (1/1) ... [2024-10-31 22:12:29,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28" (1/1) ... [2024-10-31 22:12:29,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28" (1/1) ... [2024-10-31 22:12:29,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28" (1/1) ... [2024-10-31 22:12:29,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28" (1/1) ... [2024-10-31 22:12:29,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28" (1/1) ... [2024-10-31 22:12:29,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:29,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:29,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:29,337 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:29,338 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28" (1/1) ... [2024-10-31 22:12:29,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:29,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:29,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:29,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_635b4ea9-a63d-4162-aa35-5603df715a34/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-31 22:12:29,427 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-31 22:12:29,427 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:12:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-31 22:12:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-31 22:12:29,430 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-31 22:12:29,430 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-31 22:12:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:12:29,431 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:12:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:12:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:12:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:12:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:12:29,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:12:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:12:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:12:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:12:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:12:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:12:29,432 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 22:12:29,432 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 22:12:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:12:29,433 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:12:29,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:12:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:12:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:12:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:12:29,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:12:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:12:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:12:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:29,436 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clean_up [2024-10-31 22:12:29,436 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clean_up [2024-10-31 22:12:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:12:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:12:29,437 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-31 22:12:29,437 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-31 22:12:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-31 22:12:29,438 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-31 22:12:29,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:12:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:12:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:12:29,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:12:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:12:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-31 22:12:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-31 22:12:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-10-31 22:12:29,440 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-10-31 22:12:29,440 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:12:29,441 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:12:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:12:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:12:29,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:12:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:12:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:12:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:12:29,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:12:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:12:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:12:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:12:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:12:29,443 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:12:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:12:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-31 22:12:29,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-31 22:12:29,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:12:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:12:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:12:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:12:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:12:29,445 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-10-31 22:12:29,445 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-10-31 22:12:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-10-31 22:12:29,446 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-10-31 22:12:29,446 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-31 22:12:29,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-31 22:12:29,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:12:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:12:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:12:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:12:29,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:12:29,832 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:29,834 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:12:36,450 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-10-31 22:12:36,450 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:12:36,472 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:12:36,473 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-10-31 22:12:36,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:36 BoogieIcfgContainer [2024-10-31 22:12:36,473 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:12:36,476 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:12:36,476 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:12:36,479 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:12:36,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:12:25" (1/3) ... [2024-10-31 22:12:36,480 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34290f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:36, skipping insertion in model container [2024-10-31 22:12:36,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:28" (2/3) ... [2024-10-31 22:12:36,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34290f23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:12:36, skipping insertion in model container [2024-10-31 22:12:36,483 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:12:36" (3/3) ... [2024-10-31 22:12:36,484 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_clean_up_harness_negated.i [2024-10-31 22:12:36,501 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:12:36,502 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:12:36,584 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:12:36,591 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;@2e7dcf6f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:12:36,591 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:12:36,597 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 121 states have (on average 1.2479338842975207) internal successors, (151), 122 states have internal predecessors, (151), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-10-31 22:12:36,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-10-31 22:12:36,616 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:12:36,617 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 3, 3, 3, 3, 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] [2024-10-31 22:12:36,617 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:12:36,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:12:36,625 INFO L85 PathProgramCache]: Analyzing trace with hash 1166305317, now seen corresponding path program 1 times [2024-10-31 22:12:36,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:12:36,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126437893] [2024-10-31 22:12:36,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:12:36,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:12:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:12:45,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:12:45,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:12:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:12:45,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:12:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:12:45,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:12:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 22:12:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:12:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:12:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:12:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:12:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:12:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:12:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:12:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-31 22:12:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:45,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-31 22:12:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:46,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-31 22:12:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:46,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:12:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:46,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:12:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:46,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-31 22:12:46,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:46,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-10-31 22:12:46,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:12:46,373 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-10-31 22:12:46,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:12:46,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126437893] [2024-10-31 22:12:46,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126437893] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:12:46,376 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:12:46,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:12:46,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784638293] [2024-10-31 22:12:46,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:12:46,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:12:46,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:12:46,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:12:46,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:12:46,416 INFO L87 Difference]: Start difference. First operand has 181 states, 121 states have (on average 1.2479338842975207) internal successors, (151), 122 states have internal predecessors, (151), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 5 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-10-31 22:12:50,567 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:12:54,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:12:59,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []