./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/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_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/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_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/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 c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:04:37,492 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:04:37,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:04:37,613 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:04:37,614 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:04:37,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:04:37,664 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:04:37,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:04:37,666 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:04:37,667 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:04:37,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:04:37,668 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:04:37,669 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:04:37,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:04:37,672 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:04:37,673 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:04:37,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:04:37,674 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:04:37,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:04:37,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:04:37,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:04:37,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:04:37,680 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:04:37,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:04:37,681 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:04:37,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:04:37,682 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:04:37,682 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:04:37,682 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:04:37,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:37,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:04:37,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:04:37,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:04:37,686 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:04:37,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:04:37,687 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:04:37,688 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:04:37,688 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:04:37,688 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:04:37,689 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_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c12ad62b7b197015493bfb3c1dd9a5de2922d9b16e39f249961c276d8b82591b [2024-10-31 22:04:38,062 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:04:38,103 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:04:38,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:04:38,109 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:04:38,109 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:04:38,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i Unable to find full path for "g++" [2024-10-31 22:04:40,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:04:40,854 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:04:40,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i [2024-10-31 22:04:40,901 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/bin/uautomizer-verify-4GaUIPS5ZU/data/49068d8a7/2c0190158233485d94b4e7ad74dc617e/FLAGfab88b59e [2024-10-31 22:04:40,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/bin/uautomizer-verify-4GaUIPS5ZU/data/49068d8a7/2c0190158233485d94b4e7ad74dc617e [2024-10-31 22:04:40,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:04:40,972 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:04:40,975 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:40,977 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:04:40,982 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:04:40,983 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:40" (1/1) ... [2024-10-31 22:04:40,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@459beb59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:40, skipping insertion in model container [2024-10-31 22:04:40,984 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:04:40" (1/1) ... [2024-10-31 22:04:41,121 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:04:41,519 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_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4504,4517] [2024-10-31 22:04:41,528 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_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4564,4577] [2024-10-31 22:04:42,623 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:42,624 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:42,628 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:42,629 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:42,630 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:42,659 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:42,660 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:42,662 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:42,662 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:42,664 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:42,667 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:42,667 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:42,669 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,268 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,269 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,278 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,298 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,368 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:43,404 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:04:43,424 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_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4504,4517] [2024-10-31 22:04:43,426 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_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/sv-benchmarks/c/aws-c-common/aws_array_list_ensure_capacity_harness.i[4564,4577] [2024-10-31 22:04:43,500 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,501 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,501 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,501 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,502 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,517 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,522 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,523 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,523 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,524 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,525 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,525 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,525 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,634 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,635 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,636 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,645 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,653 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7775-7786] [2024-10-31 22:04:43,680 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:04:43,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:04:44,014 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:04:44,015 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44 WrapperNode [2024-10-31 22:04:44,015 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:04:44,016 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:44,017 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:04:44,017 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:04:44,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44" (1/1) ... [2024-10-31 22:04:44,141 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44" (1/1) ... [2024-10-31 22:04:44,230 INFO L138 Inliner]: procedures = 680, calls = 1679, calls flagged for inlining = 52, calls inlined = 11, statements flattened = 812 [2024-10-31 22:04:44,231 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:04:44,232 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:04:44,232 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:04:44,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:04:44,248 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44" (1/1) ... [2024-10-31 22:04:44,248 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44" (1/1) ... [2024-10-31 22:04:44,267 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44" (1/1) ... [2024-10-31 22:04:44,356 INFO L175 MemorySlicer]: Split 328 memory accesses to 7 slices as follows [2, 238, 2, 65, 6, 9, 6]. 73 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 0, 10, 0, 5, 1]. The 242 writes are split as follows [0, 232, 1, 5, 2, 1, 1]. [2024-10-31 22:04:44,360 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44" (1/1) ... [2024-10-31 22:04:44,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44" (1/1) ... [2024-10-31 22:04:44,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44" (1/1) ... [2024-10-31 22:04:44,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44" (1/1) ... [2024-10-31 22:04:44,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44" (1/1) ... [2024-10-31 22:04:44,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44" (1/1) ... [2024-10-31 22:04:44,471 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:04:44,472 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:04:44,472 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:04:44,473 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:04:44,473 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44" (1/1) ... [2024-10-31 22:04:44,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:04:44,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:04:44,515 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:04:44,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c5dc3ee-b9dc-42ad-8850-90896f1aa1b4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:04:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:04:44,551 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-31 22:04:44,551 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-31 22:04:44,552 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-31 22:04:44,552 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-31 22:04:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:04:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:04:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-10-31 22:04:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-10-31 22:04:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:04:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:04:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:04:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:04:44,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:04:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:04:44,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:04:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:04:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:04:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:04:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:04:44,557 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:04:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:04:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:04:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 22:04:44,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 22:04:44,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:04:44,558 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:04:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:04:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:04:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:04:44,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:04:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:04:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:04:44,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:04:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:04:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:04:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-10-31 22:04:44,561 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-10-31 22:04:44,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:04:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:04:44,562 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:04:44,562 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:04:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-31 22:04:44,563 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-31 22:04:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-31 22:04:44,563 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-31 22:04:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:04:44,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:04:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:04:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:04:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:04:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:04:44,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:04:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-31 22:04:44,566 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-31 22:04:44,566 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-10-31 22:04:44,566 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-10-31 22:04:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:04:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:04:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-31 22:04:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-31 22:04:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-10-31 22:04:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-10-31 22:04:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:04:44,567 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-10-31 22:04:44,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-10-31 22:04:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:04:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:04:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:04:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:04:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:04:44,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:04:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:04:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:04:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:04:44,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:04:44,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:04:44,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:04:44,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:04:44,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:04:44,571 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:04:44,571 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:04:44,572 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-31 22:04:44,572 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-31 22:04:44,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-10-31 22:04:44,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-10-31 22:04:44,572 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_ensure_capacity [2024-10-31 22:04:44,572 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_ensure_capacity [2024-10-31 22:04:44,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:04:44,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:04:44,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:04:44,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:04:44,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:04:44,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:04:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:04:44,574 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-31 22:04:44,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-31 22:04:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:04:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:04:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:04:44,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:04:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:04:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:04:44,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:04:45,035 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:04:45,037 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:04:51,679 INFO L? ?]: Removed 158 outVars from TransFormulas that were not future-live. [2024-10-31 22:04:51,679 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:04:51,700 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:04:51,702 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:04:51,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:51 BoogieIcfgContainer [2024-10-31 22:04:51,702 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:04:51,705 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:04:51,705 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:04:51,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:04:51,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:04:40" (1/3) ... [2024-10-31 22:04:51,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a668b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:51, skipping insertion in model container [2024-10-31 22:04:51,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:04:44" (2/3) ... [2024-10-31 22:04:51,714 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a668b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:04:51, skipping insertion in model container [2024-10-31 22:04:51,714 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:04:51" (3/3) ... [2024-10-31 22:04:51,716 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_ensure_capacity_harness.i [2024-10-31 22:04:51,738 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:04:51,739 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:04:51,843 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:04:51,852 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;@11289249, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:04:51,852 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:04:51,859 INFO L276 IsEmpty]: Start isEmpty. Operand has 241 states, 145 states have (on average 1.206896551724138) internal successors, (175), 146 states have internal predecessors, (175), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2024-10-31 22:04:51,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-10-31 22:04:51,875 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:04:51,876 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:04:51,878 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:04:51,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:04:51,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1440839759, now seen corresponding path program 1 times [2024-10-31 22:04:51,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:04:51,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534639086] [2024-10-31 22:04:51,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:04:51,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:04:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:59,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:04:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:59,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:04:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:59,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:04:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:59,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:04:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:59,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:04:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:59,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-31 22:04:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:59,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:04:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:59,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:04:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:59,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:04:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:04:59,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-31 22:05:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:00,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-31 22:05:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:00,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:05:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:00,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:05:00,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:00,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-31 22:05:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:05:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-10-31 22:05:00,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:05:00,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534639086] [2024-10-31 22:05:00,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1534639086] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:05:00,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:05:00,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:05:00,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976639569] [2024-10-31 22:05:00,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:05:00,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:05:00,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:05:00,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:05:00,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:05:00,267 INFO L87 Difference]: Start difference. First operand has 241 states, 145 states have (on average 1.206896551724138) internal successors, (175), 146 states have internal predecessors, (175), 73 states have call successors, (73), 21 states have call predecessors, (73), 21 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (16), 5 states have call predecessors, (16), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-10-31 22:05:04,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:05:08,940 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:05:13,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.44s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []