./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_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_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/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_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/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_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/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 2ce109988390b6767f379f20c8317980e8ad55260534e411b505fed6860deb81 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:51,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:51,216 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:01:51,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:51,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:51,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:51,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:51,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:51,247 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:01:51,248 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:01:51,248 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:01:51,249 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:01:51,249 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:51,250 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:51,250 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:51,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:51,251 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:01:51,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:01:51,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:51,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:01:51,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:01:51,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:01:51,254 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:51,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:01:51,255 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:51,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:51,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:51,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:01:51,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:01:51,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:51,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:51,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:01:51,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:01:51,260 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:01:51,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:01:51,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:01:51,265 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:01:51,265 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:01:51,266 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:01:51,266 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_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ce109988390b6767f379f20c8317980e8ad55260534e411b505fed6860deb81 [2024-10-31 22:01:51,590 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:51,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:51,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:51,619 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:51,620 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:51,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:01:53,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:54,395 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:54,396 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i [2024-10-31 22:01:54,430 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/bin/uautomizer-verify-4GaUIPS5ZU/data/aba2cf8a8/af37959c473f4ce99ecc577e7be5d4fc/FLAGbf045c697 [2024-10-31 22:01:54,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/bin/uautomizer-verify-4GaUIPS5ZU/data/aba2cf8a8/af37959c473f4ce99ecc577e7be5d4fc [2024-10-31 22:01:54,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:54,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:54,466 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:54,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:54,473 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:54,475 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:54,476 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f29bc43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:54, skipping insertion in model container [2024-10-31 22:01:54,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:54" (1/1) ... [2024-10-31 22:01:54,639 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:55,097 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_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4494,4507] [2024-10-31 22:01:55,106 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_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4554,4567] [2024-10-31 22:01:56,121 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,122 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,123 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,124 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,125 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,141 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,142 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,144 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,145 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,148 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,149 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,150 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,153 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,800 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,817 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:56,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:56,931 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:56,946 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_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4494,4507] [2024-10-31 22:01:56,947 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_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness_negated.i[4554,4567] [2024-10-31 22:01:57,005 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,006 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,006 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,007 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,008 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,015 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,016 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,017 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,018 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,019 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,020 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,020 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,021 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,159 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,175 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:57,187 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7735-7746] [2024-10-31 22:01:57,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:57,487 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:57,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57 WrapperNode [2024-10-31 22:01:57,488 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:57,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:57,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:57,490 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:57,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57" (1/1) ... [2024-10-31 22:01:57,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57" (1/1) ... [2024-10-31 22:01:57,684 INFO L138 Inliner]: procedures = 680, calls = 1682, calls flagged for inlining = 53, calls inlined = 8, statements flattened = 662 [2024-10-31 22:01:57,684 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:57,685 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:57,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:57,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:57,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57" (1/1) ... [2024-10-31 22:01:57,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57" (1/1) ... [2024-10-31 22:01:57,716 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57" (1/1) ... [2024-10-31 22:01:57,822 INFO L175 MemorySlicer]: Split 314 memory accesses to 6 slices as follows [238, 2, 56, 6, 3, 9]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 10, 0, 1, 5]. The 239 writes are split as follows [232, 0, 3, 2, 1, 1]. [2024-10-31 22:01:57,824 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57" (1/1) ... [2024-10-31 22:01:57,825 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57" (1/1) ... [2024-10-31 22:01:57,884 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57" (1/1) ... [2024-10-31 22:01:57,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57" (1/1) ... [2024-10-31 22:01:57,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57" (1/1) ... [2024-10-31 22:01:57,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57" (1/1) ... [2024-10-31 22:01:57,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:57,928 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:57,928 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:57,928 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:57,932 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57" (1/1) ... [2024-10-31 22:01:57,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:57,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:57,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:57,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_39132c6a-8d5b-4b32-b3ae-b3184a53dc6b/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:01:58,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:01:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-31 22:01:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-31 22:01:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-31 22:01:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-31 22:01:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:01:58,002 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:01:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:01:58,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:01:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:01:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:01:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:01:58,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:01:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:01:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:01:58,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:01:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:01:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:01:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:01:58,005 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 22:01:58,005 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 22:01:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:01:58,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:01:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:01:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:01:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:01:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:01:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:01:58,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:01:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:01:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:01:58,007 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-10-31 22:01:58,007 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-10-31 22:01:58,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:01:58,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:01:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:01:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:01:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-31 22:01:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-31 22:01:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-31 22:01:58,009 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-31 22:01:58,009 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-31 22:01:58,010 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-31 22:01:58,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:01:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:01:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:01:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:01:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:01:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:01:58,040 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-31 22:01:58,040 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-31 22:01:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-10-31 22:01:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-10-31 22:01:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:01:58,041 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:01:58,041 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-31 22:01:58,042 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-31 22:01:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:01:58,043 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:01:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:01:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:01:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:01:58,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:01:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:01:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:01:58,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:01:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:01:58,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:01:58,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:01:58,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:01:58,047 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:01:58,047 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:01:58,047 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-31 22:01:58,047 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-31 22:01:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:01:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:01:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:01:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:01:58,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:01:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:01:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-31 22:01:58,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-31 22:01:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:01:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:01:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:01:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:01:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:01:58,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:01:58,408 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:01:58,411 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:02:05,030 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-10-31 22:02:05,030 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:02:05,046 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:02:05,046 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:02:05,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:05 BoogieIcfgContainer [2024-10-31 22:02:05,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:02:05,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:02:05,050 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:02:05,053 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:02:05,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:01:54" (1/3) ... [2024-10-31 22:02:05,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1662ba41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:05, skipping insertion in model container [2024-10-31 22:02:05,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:57" (2/3) ... [2024-10-31 22:02:05,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1662ba41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:05, skipping insertion in model container [2024-10-31 22:02:05,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:05" (3/3) ... [2024-10-31 22:02:05,057 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness_negated.i [2024-10-31 22:02:05,076 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:02:05,076 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:02:05,166 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:02:05,174 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;@178471ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:02:05,175 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:02:05,181 INFO L276 IsEmpty]: Start isEmpty. Operand has 188 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-31 22:02:05,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-31 22:02:05,199 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:02:05,200 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 22:02:05,201 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:02:05,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:05,206 INFO L85 PathProgramCache]: Analyzing trace with hash -910861617, now seen corresponding path program 1 times [2024-10-31 22:02:05,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:05,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748450546] [2024-10-31 22:02:05,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:05,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:13,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:02:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:13,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:02:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:13,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:02:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:13,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:02:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:13,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:02:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:13,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-31 22:02:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:13,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-31 22:02:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:13,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-31 22:02:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:13,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-31 22:02:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-31 22:02:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-31 22:02:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-31 22:02:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-10-31 22:02:14,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-31 22:02:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-31 22:02:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-10-31 22:02:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-31 22:02:14,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-31 22:02:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-10-31 22:02:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-31 22:02:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-31 22:02:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:14,218 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-31 22:02:14,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:14,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748450546] [2024-10-31 22:02:14,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748450546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:14,220 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:14,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 22:02:14,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924117471] [2024-10-31 22:02:14,225 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:14,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-31 22:02:14,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:14,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 22:02:14,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-31 22:02:14,265 INFO L87 Difference]: Start difference. First operand has 188 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 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) [2024-10-31 22:02:18,393 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 22:02:22,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:02:27,125 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.33s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []