./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd --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 2279e66d659d6de4a6f1e9cba0e3ed135a3304882c70e550497f0feeaae371b4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 15:54:35,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 15:54:35,530 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 15:54:35,535 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 15:54:35,535 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 15:54:35,572 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 15:54:35,573 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 15:54:35,573 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 15:54:35,574 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 15:54:35,574 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 15:54:35,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 15:54:35,574 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 15:54:35,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 15:54:35,575 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 15:54:35,575 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 15:54:35,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 15:54:35,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 15:54:35,576 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 15:54:35,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 15:54:35,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 15:54:35,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 15:54:35,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 15:54:35,576 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 15:54:35,577 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 15:54:35,577 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 15:54:35,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 15:54:35,577 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 15:54:35,577 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 15:54:35,577 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 15:54:35,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:54:35,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 15:54:35,578 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 15:54:35,578 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 15:54:35,578 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 15:54:35,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 15:54:35,579 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 15:54:35,579 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 15:54:35,579 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 15:54:35,579 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 15:54:35,579 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd 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 -> 2279e66d659d6de4a6f1e9cba0e3ed135a3304882c70e550497f0feeaae371b4 [2024-11-13 15:54:35,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 15:54:35,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 15:54:35,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 15:54:35,916 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 15:54:35,917 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 15:54:35,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i Unable to find full path for "g++" [2024-11-13 15:54:37,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 15:54:38,438 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 15:54:38,439 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i [2024-11-13 15:54:38,489 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/data/3de183cdd/33b0047017014ab39e9aea559d85e0a6/FLAGd720722f0 [2024-11-13 15:54:38,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/data/3de183cdd/33b0047017014ab39e9aea559d85e0a6 [2024-11-13 15:54:38,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 15:54:38,917 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 15:54:38,918 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 15:54:38,919 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 15:54:38,924 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 15:54:38,925 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:54:38" (1/1) ... [2024-11-13 15:54:38,926 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c60b465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:38, skipping insertion in model container [2024-11-13 15:54:38,926 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 03:54:38" (1/1) ... [2024-11-13 15:54:39,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 15:54:39,297 WARN L250 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_b3589c76-0ddb-43ab-99cd-eab648658e44/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2024-11-13 15:54:39,304 WARN L250 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_b3589c76-0ddb-43ab-99cd-eab648658e44/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2024-11-13 15:54:40,354 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:40,355 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:40,355 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:40,356 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:40,358 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:40,374 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:40,375 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:40,377 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:40,378 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:40,380 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:40,381 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:40,382 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:40,382 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,126 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,135 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:54:41,272 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 15:54:41,290 WARN L250 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_b3589c76-0ddb-43ab-99cd-eab648658e44/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4493,4506] [2024-11-13 15:54:41,291 WARN L250 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_b3589c76-0ddb-43ab-99cd-eab648658e44/sv-benchmarks/c/aws-c-common/aws_array_list_back_harness.i[4553,4566] [2024-11-13 15:54:41,390 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,390 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,391 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,392 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,393 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,403 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,407 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,408 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,408 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,409 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,410 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,410 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,410 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,531 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,538 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 15:54:41,551 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7769-7780] [2024-11-13 15:54:41,577 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 15:54:41,856 INFO L204 MainTranslator]: Completed translation [2024-11-13 15:54:41,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41 WrapperNode [2024-11-13 15:54:41,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 15:54:41,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 15:54:41,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 15:54:41,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 15:54:41,865 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41" (1/1) ... [2024-11-13 15:54:41,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41" (1/1) ... [2024-11-13 15:54:42,060 INFO L138 Inliner]: procedures = 680, calls = 1678, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 656 [2024-11-13 15:54:42,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 15:54:42,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 15:54:42,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 15:54:42,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 15:54:42,082 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41" (1/1) ... [2024-11-13 15:54:42,082 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41" (1/1) ... [2024-11-13 15:54:42,090 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41" (1/1) ... [2024-11-13 15:54:42,202 INFO L175 MemorySlicer]: Split 313 memory accesses to 6 slices as follows [238, 2, 6, 9, 55, 3]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 0, 5, 10, 1]. The 239 writes are split as follows [232, 0, 2, 1, 3, 1]. [2024-11-13 15:54:42,202 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41" (1/1) ... [2024-11-13 15:54:42,202 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41" (1/1) ... [2024-11-13 15:54:42,232 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41" (1/1) ... [2024-11-13 15:54:42,236 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41" (1/1) ... [2024-11-13 15:54:42,244 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41" (1/1) ... [2024-11-13 15:54:42,248 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41" (1/1) ... [2024-11-13 15:54:42,258 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 15:54:42,259 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 15:54:42,259 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 15:54:42,259 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 15:54:42,260 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41" (1/1) ... [2024-11-13 15:54:42,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 15:54:42,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:54:42,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 15:54:42,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 15:54:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 15:54:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-13 15:54:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-13 15:54:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-13 15:54:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-13 15:54:42,367 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-13 15:54:42,367 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-13 15:54:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-13 15:54:42,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-13 15:54:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-13 15:54:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-13 15:54:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-13 15:54:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-13 15:54:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 15:54:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 15:54:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 15:54:42,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 15:54:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 15:54:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 15:54:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-13 15:54:42,370 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-13 15:54:42,370 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 15:54:42,372 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 15:54:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 15:54:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 15:54:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 15:54:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 15:54:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 15:54:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 15:54:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 15:54:42,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 15:54:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-13 15:54:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-13 15:54:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 15:54:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 15:54:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-13 15:54:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-13 15:54:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-13 15:54:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-13 15:54:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-13 15:54:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-13 15:54:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-13 15:54:42,373 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-13 15:54:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-13 15:54:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-13 15:54:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-13 15:54:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-13 15:54:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-13 15:54:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-13 15:54:42,373 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-13 15:54:42,374 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-13 15:54:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-13 15:54:42,374 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-13 15:54:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 15:54:42,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 15:54:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-13 15:54:42,374 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-13 15:54:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 15:54:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 15:54:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 15:54:42,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 15:54:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 15:54:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 15:54:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 15:54:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 15:54:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 15:54:42,377 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-13 15:54:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-13 15:54:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-13 15:54:42,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 15:54:42,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 15:54:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 15:54:42,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 15:54:42,784 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 15:54:42,787 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 15:54:49,782 INFO L? ?]: Removed 126 outVars from TransFormulas that were not future-live. [2024-11-13 15:54:49,782 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 15:54:49,802 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 15:54:49,802 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 15:54:49,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:54:49 BoogieIcfgContainer [2024-11-13 15:54:49,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 15:54:49,807 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 15:54:49,807 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 15:54:49,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 15:54:49,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 03:54:38" (1/3) ... [2024-11-13 15:54:49,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f46bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:54:49, skipping insertion in model container [2024-11-13 15:54:49,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 03:54:41" (2/3) ... [2024-11-13 15:54:49,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65f46bee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 03:54:49, skipping insertion in model container [2024-11-13 15:54:49,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 03:54:49" (3/3) ... [2024-11-13 15:54:49,815 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_back_harness.i [2024-11-13 15:54:49,832 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 15:54:49,835 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_back_harness.i that has 18 procedures, 185 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-13 15:54:49,898 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 15:54:49,910 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;@4898d67b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 15:54:49,910 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 15:54:49,914 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 111 states have (on average 1.2072072072072073) internal successors, (134), 112 states have internal predecessors, (134), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-13 15:54:49,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-13 15:54:49,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:54:49,930 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] [2024-11-13 15:54:49,930 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:54:49,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:54:49,936 INFO L85 PathProgramCache]: Analyzing trace with hash -2103824003, now seen corresponding path program 1 times [2024-11-13 15:54:49,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:54:49,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030277149] [2024-11-13 15:54:49,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:54:49,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:54:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:58,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:54:58,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:58,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:54:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:54:59,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:54:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:54:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:54:59,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 15:54:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:54:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:54:59,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:54:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:54:59,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:54:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:54:59,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:54:59,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 15:54:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 15:54:59,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 15:54:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 15:54:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:54:59,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 15:54:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 15:54:59,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:54:59,722 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-13 15:54:59,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:54:59,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030277149] [2024-11-13 15:54:59,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030277149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:54:59,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 15:54:59,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 15:54:59,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852302030] [2024-11-13 15:54:59,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:54:59,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 15:54:59,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:54:59,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 15:54:59,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 15:54:59,761 INFO L87 Difference]: Start difference. First operand has 185 states, 111 states have (on average 1.2072072072072073) internal successors, (134), 112 states have internal predecessors, (134), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) 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) [2024-11-13 15:55:03,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:55:08,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 15:55:12,613 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 [] [2024-11-13 15:55:16,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:16,696 INFO L93 Difference]: Finished difference Result 384 states and 553 transitions. [2024-11-13 15:55:16,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 15:55:16,706 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 129 [2024-11-13 15:55:16,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:16,735 INFO L225 Difference]: With dead ends: 384 [2024-11-13 15:55:16,739 INFO L226 Difference]: Without dead ends: 197 [2024-11-13 15:55:16,748 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-13 15:55:16,755 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 197 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 223 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 223 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.3s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:16,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 208 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [223 Valid, 168 Invalid, 3 Unknown, 0 Unchecked, 16.3s Time] [2024-11-13 15:55:16,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-13 15:55:16,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 176. [2024-11-13 15:55:16,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 104 states have (on average 1.1634615384615385) internal successors, (121), 105 states have internal predecessors, (121), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-13 15:55:16,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 229 transitions. [2024-11-13 15:55:16,874 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 229 transitions. Word has length 129 [2024-11-13 15:55:16,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:16,875 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 229 transitions. [2024-11-13 15:55:16,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-11-13 15:55:16,876 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 229 transitions. [2024-11-13 15:55:16,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-13 15:55:16,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:16,884 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] [2024-11-13 15:55:16,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 15:55:16,886 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:55:16,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:16,887 INFO L85 PathProgramCache]: Analyzing trace with hash -2044793983, now seen corresponding path program 1 times [2024-11-13 15:55:16,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:16,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293201541] [2024-11-13 15:55:16,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:16,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:24,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:55:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:24,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:55:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:25,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:55:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:25,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:55:25,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:25,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:55:25,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:25,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:55:25,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 15:55:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 15:55:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-13 15:55:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-13 15:55:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:55:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-13 15:55:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 15:55:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-13 15:55:26,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-13 15:55:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-13 15:55:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-13 15:55:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-13 15:55:26,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-13 15:55:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-13 15:55:26,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-13 15:55:26,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:26,510 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-13 15:55:26,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:26,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293201541] [2024-11-13 15:55:26,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [293201541] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:55:26,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375755733] [2024-11-13 15:55:26,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:26,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:55:26,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:55:26,520 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:55:26,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 15:55:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:33,465 INFO L255 TraceCheckSpWp]: Trace formula consists of 4262 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 15:55:33,477 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:55:34,411 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-13 15:55:34,411 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:55:34,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375755733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:34,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:55:34,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-13 15:55:34,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890081344] [2024-11-13 15:55:34,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:34,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 15:55:34,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:34,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 15:55:34,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-13 15:55:34,416 INFO L87 Difference]: Start difference. First operand 176 states and 229 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-13 15:55:37,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:55:37,235 INFO L93 Difference]: Finished difference Result 325 states and 429 transitions. [2024-11-13 15:55:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 15:55:37,236 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 129 [2024-11-13 15:55:37,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:55:37,239 INFO L225 Difference]: With dead ends: 325 [2024-11-13 15:55:37,243 INFO L226 Difference]: Without dead ends: 178 [2024-11-13 15:55:37,244 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:55:37,246 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 241 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 654 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-13 15:55:37,248 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [243 Valid, 654 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-13 15:55:37,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-13 15:55:37,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-11-13 15:55:37,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 105 states have (on average 1.161904761904762) internal successors, (122), 107 states have internal predecessors, (122), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (58), 53 states have call predecessors, (58), 53 states have call successors, (58) [2024-11-13 15:55:37,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 235 transitions. [2024-11-13 15:55:37,286 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 235 transitions. Word has length 129 [2024-11-13 15:55:37,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:55:37,286 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 235 transitions. [2024-11-13 15:55:37,287 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-13 15:55:37,287 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 235 transitions. [2024-11-13 15:55:37,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2024-11-13 15:55:37,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:55:37,291 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:55:37,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 15:55:37,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:55:37,492 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:55:37,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:55:37,493 INFO L85 PathProgramCache]: Analyzing trace with hash 446720509, now seen corresponding path program 1 times [2024-11-13 15:55:37,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:55:37,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612390859] [2024-11-13 15:55:37,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:37,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:55:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:45,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:55:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:45,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:55:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:45,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:55:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:45,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:55:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:45,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:55:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:55:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:55:46,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:55:46,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:55:46,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:55:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 15:55:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:55:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:55:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:55:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:55:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:55:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 15:55:46,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:55:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:46,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:55:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:47,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-13 15:55:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:47,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-13 15:55:47,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:47,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-13 15:55:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:47,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:55:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:47,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-13 15:55:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:47,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-11-13 15:55:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:47,461 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-11-13 15:55:47,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:55:47,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612390859] [2024-11-13 15:55:47,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612390859] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:55:47,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488159781] [2024-11-13 15:55:47,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:55:47,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:55:47,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:55:47,465 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:55:47,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 15:55:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:55:54,940 INFO L255 TraceCheckSpWp]: Trace formula consists of 4516 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 15:55:54,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 15:55:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-13 15:55:56,529 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 15:55:56,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [488159781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 15:55:56,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 15:55:56,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-13 15:55:56,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433686062] [2024-11-13 15:55:56,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 15:55:56,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 15:55:56,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 15:55:56,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 15:55:56,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-13 15:55:56,532 INFO L87 Difference]: Start difference. First operand 178 states and 235 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-13 15:56:00,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 15:56:00,010 INFO L93 Difference]: Finished difference Result 287 states and 379 transitions. [2024-11-13 15:56:00,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 15:56:00,011 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) Word has length 159 [2024-11-13 15:56:00,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 15:56:00,014 INFO L225 Difference]: With dead ends: 287 [2024-11-13 15:56:00,014 INFO L226 Difference]: Without dead ends: 178 [2024-11-13 15:56:00,015 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-13 15:56:00,016 INFO L432 NwaCegarLoop]: 174 mSDtfsCounter, 244 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 810 SdHoareTripleChecker+Invalid, 298 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-13 15:56:00,016 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [246 Valid, 810 Invalid, 298 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-13 15:56:00,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-13 15:56:00,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-11-13 15:56:00,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 105 states have (on average 1.161904761904762) internal successors, (122), 107 states have internal predecessors, (122), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 53 states have call predecessors, (55), 53 states have call successors, (55) [2024-11-13 15:56:00,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 232 transitions. [2024-11-13 15:56:00,044 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 232 transitions. Word has length 159 [2024-11-13 15:56:00,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 15:56:00,045 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 232 transitions. [2024-11-13 15:56:00,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 3 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-13 15:56:00,045 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 232 transitions. [2024-11-13 15:56:00,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-13 15:56:00,048 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 15:56:00,048 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 15:56:00,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-13 15:56:00,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:00,249 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 15:56:00,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 15:56:00,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1237922991, now seen corresponding path program 2 times [2024-11-13 15:56:00,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 15:56:00,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663251752] [2024-11-13 15:56:00,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 15:56:00,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 15:56:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:07,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:56:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:07,908 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 15:56:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:08,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 15:56:08,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:08,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 15:56:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:08,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 15:56:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:08,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 15:56:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:08,983 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:56:08,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,000 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:56:09,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 15:56:09,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 15:56:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-13 15:56:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-13 15:56:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:56:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-13 15:56:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:56:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:56:09,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-13 15:56:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-13 15:56:09,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-13 15:56:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 15:56:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 15:56:09,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-13 15:56:09,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-11-13 15:56:09,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,476 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-13 15:56:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:09,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2024-11-13 15:56:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:10,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-13 15:56:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:10,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2024-11-13 15:56:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 15:56:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2024-11-13 15:56:10,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 15:56:10,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663251752] [2024-11-13 15:56:10,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663251752] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 15:56:10,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057969852] [2024-11-13 15:56:10,020 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-13 15:56:10,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 15:56:10,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 15:56:10,022 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 15:56:10,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3589c76-0ddb-43ab-99cd-eab648658e44/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process