./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.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_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/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_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/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_dce2be7a-e617-4fbd-9a43-9550d27e9338/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 782de24019eece20387c3cd6e967e9eaef1d40fd6eb1a7b72eb8f6c4f97205cc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 14:43:18,296 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 14:43:18,393 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-13 14:43:18,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 14:43:18,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 14:43:18,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 14:43:18,424 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 14:43:18,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 14:43:18,425 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 14:43:18,425 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 14:43:18,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 14:43:18,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 14:43:18,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 14:43:18,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 14:43:18,426 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 14:43:18,426 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 14:43:18,426 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 14:43:18,426 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 14:43:18,426 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 14:43:18,426 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 14:43:18,426 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 14:43:18,427 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 14:43:18,427 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 14:43:18,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 14:43:18,427 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 14:43:18,427 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 14:43:18,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 14:43:18,427 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 14:43:18,427 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 14:43:18,427 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:43:18,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 14:43:18,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 14:43:18,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 14:43:18,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 14:43:18,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 14:43:18,428 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 14:43:18,428 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-13 14:43:18,428 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-13 14:43:18,428 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-13 14:43:18,428 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_dce2be7a-e617-4fbd-9a43-9550d27e9338/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 -> 782de24019eece20387c3cd6e967e9eaef1d40fd6eb1a7b72eb8f6c4f97205cc [2024-11-13 14:43:18,743 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 14:43:18,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 14:43:18,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 14:43:18,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 14:43:18,755 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 14:43:18,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i Unable to find full path for "g++" [2024-11-13 14:43:20,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 14:43:21,592 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 14:43:21,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i [2024-11-13 14:43:21,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/data/cd62c3d95/1781c6a0ce7f4dbda96f53a97083fc0d/FLAG7dbd7a50a [2024-11-13 14:43:21,962 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/data/cd62c3d95/1781c6a0ce7f4dbda96f53a97083fc0d [2024-11-13 14:43:21,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 14:43:21,967 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 14:43:21,969 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 14:43:21,969 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 14:43:21,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 14:43:21,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:43:21" (1/1) ... [2024-11-13 14:43:21,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9657f29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:21, skipping insertion in model container [2024-11-13 14:43:21,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 02:43:21" (1/1) ... [2024-11-13 14:43:22,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 14:43:22,474 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_dce2be7a-e617-4fbd-9a43-9550d27e9338/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i[4497,4510] [2024-11-13 14:43:22,482 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_dce2be7a-e617-4fbd-9a43-9550d27e9338/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i[4557,4570] [2024-11-13 14:43:23,648 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:23,649 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:23,650 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:23,651 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:23,652 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:23,666 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:23,667 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:23,669 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:23,670 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:23,672 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:23,673 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:23,674 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:23,674 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,451 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,462 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:43:24,609 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 14:43:24,632 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_dce2be7a-e617-4fbd-9a43-9550d27e9338/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i[4497,4510] [2024-11-13 14:43:24,633 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_dce2be7a-e617-4fbd-9a43-9550d27e9338/sv-benchmarks/c/aws-c-common/aws_array_list_capacity_harness_negated.i[4557,4570] [2024-11-13 14:43:24,792 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,793 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,793 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,794 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,794 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,811 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,812 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,813 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,816 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,817 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,820 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,821 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,821 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,962 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,973 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-13 14:43:24,993 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7715-7726] [2024-11-13 14:43:25,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 14:43:25,303 INFO L204 MainTranslator]: Completed translation [2024-11-13 14:43:25,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25 WrapperNode [2024-11-13 14:43:25,304 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 14:43:25,308 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 14:43:25,308 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 14:43:25,308 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 14:43:25,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25" (1/1) ... [2024-11-13 14:43:25,387 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25" (1/1) ... [2024-11-13 14:43:25,502 INFO L138 Inliner]: procedures = 679, calls = 1682, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 617 [2024-11-13 14:43:25,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 14:43:25,503 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 14:43:25,503 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 14:43:25,503 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 14:43:25,517 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25" (1/1) ... [2024-11-13 14:43:25,517 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25" (1/1) ... [2024-11-13 14:43:25,523 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25" (1/1) ... [2024-11-13 14:43:25,611 INFO L175 MemorySlicer]: Split 306 memory accesses to 6 slices as follows [2, 238, 6, 7, 50, 3]. 78 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 0, 5, 10, 1]. The 238 writes are split as follows [0, 232, 2, 0, 3, 1]. [2024-11-13 14:43:25,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25" (1/1) ... [2024-11-13 14:43:25,612 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25" (1/1) ... [2024-11-13 14:43:25,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25" (1/1) ... [2024-11-13 14:43:25,669 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25" (1/1) ... [2024-11-13 14:43:25,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25" (1/1) ... [2024-11-13 14:43:25,689 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25" (1/1) ... [2024-11-13 14:43:25,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 14:43:25,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 14:43:25,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 14:43:25,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 14:43:25,715 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25" (1/1) ... [2024-11-13 14:43:25,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-13 14:43:25,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:43:25,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-13 14:43:25,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-13 14:43:25,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 14:43:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-13 14:43:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-13 14:43:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-13 14:43:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-13 14:43:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-13 14:43:25,797 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-13 14:43:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-13 14:43:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-13 14:43:25,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-13 14:43:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-13 14:43:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-13 14:43:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-13 14:43:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-13 14:43:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-13 14:43:25,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-13 14:43:25,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-13 14:43:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-13 14:43:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-13 14:43:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-13 14:43:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-13 14:43:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-13 14:43:25,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-13 14:43:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 14:43:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 14:43:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-13 14:43:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-13 14:43:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-13 14:43:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-13 14:43:25,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-13 14:43:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-13 14:43:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 14:43:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 14:43:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-13 14:43:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-13 14:43:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-13 14:43:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-13 14:43:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-13 14:43:25,801 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-13 14:43:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-13 14:43:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-13 14:43:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-13 14:43:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-13 14:43:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-13 14:43:25,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-13 14:43:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-13 14:43:25,802 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-13 14:43:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 14:43:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-13 14:43:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-13 14:43:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-13 14:43:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-13 14:43:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-13 14:43:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-13 14:43:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-13 14:43:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-13 14:43:25,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-13 14:43:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-13 14:43:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-13 14:43:25,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-13 14:43:25,805 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-13 14:43:25,805 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-13 14:43:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-13 14:43:25,806 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-13 14:43:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-13 14:43:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-13 14:43:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-13 14:43:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-13 14:43:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-13 14:43:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-13 14:43:25,806 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-13 14:43:25,807 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-13 14:43:25,808 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 14:43:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-13 14:43:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-13 14:43:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-13 14:43:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-13 14:43:25,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-13 14:43:26,179 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 14:43:26,182 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 14:43:32,370 INFO L? ?]: Removed 107 outVars from TransFormulas that were not future-live. [2024-11-13 14:43:32,370 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 14:43:32,386 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 14:43:32,387 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 14:43:32,388 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:43:32 BoogieIcfgContainer [2024-11-13 14:43:32,388 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 14:43:32,391 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 14:43:32,391 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 14:43:32,396 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 14:43:32,396 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 02:43:21" (1/3) ... [2024-11-13 14:43:32,397 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38087950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:43:32, skipping insertion in model container [2024-11-13 14:43:32,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 02:43:25" (2/3) ... [2024-11-13 14:43:32,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38087950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 02:43:32, skipping insertion in model container [2024-11-13 14:43:32,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 02:43:32" (3/3) ... [2024-11-13 14:43:32,401 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_capacity_harness_negated.i [2024-11-13 14:43:32,420 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 14:43:32,423 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_array_list_capacity_harness_negated.i that has 13 procedures, 122 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-13 14:43:32,492 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-13 14:43:32,513 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;@58782703, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 14:43:32,513 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 14:43:32,519 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-13 14:43:32,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 14:43:32,532 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:32,534 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:43:32,534 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:32,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:32,543 INFO L85 PathProgramCache]: Analyzing trace with hash 910857471, now seen corresponding path program 1 times [2024-11-13 14:43:32,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:32,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932739090] [2024-11-13 14:43:32,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:32,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:43:40,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:43:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:43:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:43:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:43:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:43:41,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:43:41,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:43:41,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:43:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 14:43:41,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 14:43:41,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:43:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:43:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:43:41,904 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 14:43:41,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:43:41,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932739090] [2024-11-13 14:43:41,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932739090] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:43:41,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 14:43:41,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 14:43:41,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748439458] [2024-11-13 14:43:41,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:43:41,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-13 14:43:41,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:43:41,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 14:43:41,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 14:43:41,949 INFO L87 Difference]: Start difference. First operand has 122 states, 77 states have (on average 1.1948051948051948) internal successors, (92), 78 states have internal predecessors, (92), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 14:43:46,087 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:43:50,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 14:43:53,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:43:53,909 INFO L93 Difference]: Finished difference Result 241 states and 327 transitions. [2024-11-13 14:43:53,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-13 14:43:53,913 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2024-11-13 14:43:53,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:43:53,926 INFO L225 Difference]: With dead ends: 241 [2024-11-13 14:43:53,926 INFO L226 Difference]: Without dead ends: 121 [2024-11-13 14:43:53,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-13 14:43:53,936 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 75 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 73 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 236 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:43:53,938 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 148 Invalid, 236 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 161 Invalid, 2 Unknown, 0 Unchecked, 11.4s Time] [2024-11-13 14:43:53,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2024-11-13 14:43:54,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 117. [2024-11-13 14:43:54,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.178082191780822) internal successors, (86), 74 states have internal predecessors, (86), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 14:43:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2024-11-13 14:43:54,017 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 74 [2024-11-13 14:43:54,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:43:54,018 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2024-11-13 14:43:54,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (13), 4 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-13 14:43:54,019 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2024-11-13 14:43:54,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-13 14:43:54,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:43:54,025 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:43:54,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 14:43:54,026 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:43:54,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:43:54,027 INFO L85 PathProgramCache]: Analyzing trace with hash -1255854409, now seen corresponding path program 1 times [2024-11-13 14:43:54,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:43:54,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511488237] [2024-11-13 14:43:54,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:43:54,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:01,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:44:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:01,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:44:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:02,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:44:02,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:02,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:44:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:02,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:44:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:02,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:44:02,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:02,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-13 14:44:02,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:02,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-13 14:44:02,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:02,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-13 14:44:02,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:02,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-13 14:44:02,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:02,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-13 14:44:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:02,840 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-13 14:44:02,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:02,853 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 14:44:02,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:44:02,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511488237] [2024-11-13 14:44:02,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511488237] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:44:02,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205713367] [2024-11-13 14:44:02,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:02,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:44:02,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:44:02,859 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:44:02,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-13 14:44:10,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:10,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 4068 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-13 14:44:10,263 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:44:11,069 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-11-13 14:44:11,072 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:44:11,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205713367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:44:11,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:44:11,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-13 14:44:11,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258672218] [2024-11-13 14:44:11,074 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:44:11,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-13 14:44:11,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:44:11,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-13 14:44:11,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-13 14:44:11,078 INFO L87 Difference]: Start difference. First operand 117 states and 147 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-13 14:44:12,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:44:12,905 INFO L93 Difference]: Finished difference Result 199 states and 254 transitions. [2024-11-13 14:44:12,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 14:44:12,906 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 74 [2024-11-13 14:44:12,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:44:12,908 INFO L225 Difference]: With dead ends: 199 [2024-11-13 14:44:12,908 INFO L226 Difference]: Without dead ends: 119 [2024-11-13 14:44:12,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:44:12,911 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 158 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-13 14:44:12,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 414 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-13 14:44:12,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-13 14:44:12,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2024-11-13 14:44:12,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 74 states have (on average 1.1756756756756757) internal successors, (87), 76 states have internal predecessors, (87), 31 states have call successors, (31), 12 states have call predecessors, (31), 13 states have return successors, (32), 30 states have call predecessors, (32), 30 states have call successors, (32) [2024-11-13 14:44:12,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 150 transitions. [2024-11-13 14:44:12,933 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 150 transitions. Word has length 74 [2024-11-13 14:44:12,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:44:12,934 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 150 transitions. [2024-11-13 14:44:12,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 3 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-13 14:44:12,934 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2024-11-13 14:44:12,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 14:44:12,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:44:12,937 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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] [2024-11-13 14:44:12,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-13 14:44:13,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-13 14:44:13,138 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:44:13,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:44:13,142 INFO L85 PathProgramCache]: Analyzing trace with hash 621387583, now seen corresponding path program 1 times [2024-11-13 14:44:13,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:44:13,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524900534] [2024-11-13 14:44:13,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:13,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:19,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:20,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:44:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:20,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-13 14:44:20,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:21,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-13 14:44:21,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:21,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-13 14:44:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:21,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-13 14:44:21,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:21,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-13 14:44:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:21,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-13 14:44:21,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:21,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-13 14:44:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:21,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-13 14:44:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:21,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-13 14:44:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:21,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-11-13 14:44:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:21,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-13 14:44:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:22,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-13 14:44:22,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:22,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-13 14:44:22,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:22,204 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-11-13 14:44:22,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 14:44:22,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524900534] [2024-11-13 14:44:22,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1524900534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-13 14:44:22,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [712051339] [2024-11-13 14:44:22,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:22,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:44:22,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:44:22,211 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:44:22,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-13 14:44:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 14:44:28,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 4195 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 14:44:28,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 14:44:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-13 14:44:30,174 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-13 14:44:30,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [712051339] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 14:44:30,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-13 14:44:30,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-13 14:44:30,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [721084813] [2024-11-13 14:44:30,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 14:44:30,176 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 14:44:30,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 14:44:30,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 14:44:30,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-13 14:44:30,177 INFO L87 Difference]: Start difference. First operand 119 states and 150 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-13 14:44:32,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 14:44:32,416 INFO L93 Difference]: Finished difference Result 189 states and 236 transitions. [2024-11-13 14:44:32,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-13 14:44:32,417 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) Word has length 89 [2024-11-13 14:44:32,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-13 14:44:32,418 INFO L225 Difference]: With dead ends: 189 [2024-11-13 14:44:32,418 INFO L226 Difference]: Without dead ends: 117 [2024-11-13 14:44:32,419 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=51, Invalid=255, Unknown=0, NotChecked=0, Total=306 [2024-11-13 14:44:32,420 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 157 mSDsluCounter, 408 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-13 14:44:32,420 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 519 Invalid, 191 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-13 14:44:32,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-13 14:44:32,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-13 14:44:32,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 73 states have (on average 1.1643835616438356) internal successors, (85), 74 states have internal predecessors, (85), 31 states have call successors, (31), 12 states have call predecessors, (31), 12 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-13 14:44:32,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 146 transitions. [2024-11-13 14:44:32,443 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 146 transitions. Word has length 89 [2024-11-13 14:44:32,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-13 14:44:32,443 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 146 transitions. [2024-11-13 14:44:32,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 4 states have call successors, (15), 2 states have call predecessors, (15), 3 states have return successors, (14), 4 states have call predecessors, (14), 4 states have call successors, (14) [2024-11-13 14:44:32,443 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 146 transitions. [2024-11-13 14:44:32,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-13 14:44:32,445 INFO L207 NwaCegarLoop]: Found error trace [2024-11-13 14:44:32,445 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:44:32,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-13 14:44:32,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:44:32,646 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-13 14:44:32,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 14:44:32,646 INFO L85 PathProgramCache]: Analyzing trace with hash -994577873, now seen corresponding path program 1 times [2024-11-13 14:44:32,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 14:44:32,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943022494] [2024-11-13 14:44:32,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:32,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 14:44:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 14:44:41,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1601650844] [2024-11-13 14:44:41,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 14:44:41,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-13 14:44:41,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 14:44:41,233 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-13 14:44:41,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dce2be7a-e617-4fbd-9a43-9550d27e9338/bin/uautomizer-verify-qhAvR1uOyd/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process