./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9e160fe5ab2582a9d6f5a0de6f18c7ad864793aa408f2050ff0148a78c40a3b1 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:01:52,622 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:01:52,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:01:52,721 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:01:52,723 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:01:52,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:01:52,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:01:52,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:01:52,758 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:01:52,759 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:01:52,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:01:52,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:01:52,760 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:01:52,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:01:52,761 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:01:52,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:01:52,762 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:01:52,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:01:52,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:01:52,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:01:52,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:01:52,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:01:52,765 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:01:52,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:01:52,765 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:01:52,766 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:01:52,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:01:52,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:01:52,767 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:01:52,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:52,768 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:01:52,768 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:01:52,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:01:52,769 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:01:52,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:01:52,769 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:01:52,782 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:01:52,783 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:01:52,783 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:01:52,783 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9e160fe5ab2582a9d6f5a0de6f18c7ad864793aa408f2050ff0148a78c40a3b1 [2024-10-31 22:01:53,163 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:01:53,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:01:53,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:01:53,199 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:01:53,200 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:01:53,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i Unable to find full path for "g++" [2024-10-31 22:01:55,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:01:56,025 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:01:56,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i [2024-10-31 22:01:56,071 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU/data/b955128be/445a354ce65b488b927d862ff7ce6a68/FLAG697ad5220 [2024-10-31 22:01:56,164 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU/data/b955128be/445a354ce65b488b927d862ff7ce6a68 [2024-10-31 22:01:56,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:01:56,171 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:01:56,174 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:56,176 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:01:56,182 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:01:56,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:56" (1/1) ... [2024-10-31 22:01:56,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44544aac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:56, skipping insertion in model container [2024-10-31 22:01:56,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:01:56" (1/1) ... [2024-10-31 22:01:56,323 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:01:56,825 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2024-10-31 22:01:56,835 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2024-10-31 22:01:58,006 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,008 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,013 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,014 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,016 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,036 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,037 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,039 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,040 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,043 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,045 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,045 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,046 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,675 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,689 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:58,827 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:01:58,844 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4494,4507] [2024-10-31 22:01:58,845 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/sv-benchmarks/c/aws-c-common/aws_array_list_clear_harness_negated.i[4554,4567] [2024-10-31 22:01:58,947 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,952 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,988 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,989 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:58,990 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:59,007 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:59,010 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:59,012 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:59,014 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:59,016 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:59,020 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:59,021 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:59,021 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:59,123 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:59,130 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:01:59,148 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7517-7528] [2024-10-31 22:01:59,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:01:59,472 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:01:59,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59 WrapperNode [2024-10-31 22:01:59,473 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:01:59,474 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:59,474 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:01:59,475 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:01:59,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59" (1/1) ... [2024-10-31 22:01:59,557 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59" (1/1) ... [2024-10-31 22:01:59,651 INFO L138 Inliner]: procedures = 679, calls = 1574, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 584 [2024-10-31 22:01:59,655 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:01:59,656 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:01:59,656 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:01:59,657 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:01:59,675 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59" (1/1) ... [2024-10-31 22:01:59,676 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59" (1/1) ... [2024-10-31 22:01:59,694 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59" (1/1) ... [2024-10-31 22:01:59,849 INFO L175 MemorySlicer]: Split 291 memory accesses to 6 slices as follows [2, 238, 5, 3, 34, 9]. 82 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 5, 1, 5, 5]. The 237 writes are split as follows [0, 232, 0, 1, 4, 0]. [2024-10-31 22:01:59,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59" (1/1) ... [2024-10-31 22:01:59,850 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59" (1/1) ... [2024-10-31 22:01:59,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59" (1/1) ... [2024-10-31 22:01:59,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59" (1/1) ... [2024-10-31 22:01:59,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59" (1/1) ... [2024-10-31 22:01:59,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59" (1/1) ... [2024-10-31 22:01:59,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:01:59,939 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:01:59,939 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:01:59,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:01:59,942 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59" (1/1) ... [2024-10-31 22:01:59,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:01:59,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:01:59,983 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:01:59,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9a02f86-1dcd-44ef-ac23-1478ad7c9fe9/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:02:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:02:00,017 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-31 22:02:00,017 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-31 22:02:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-31 22:02:00,018 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-31 22:02:00,018 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:02:00,019 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:02:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:02:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:02:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:02:00,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:02:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:02:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:02:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:02:00,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:02:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:02:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:02:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:02:00,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:02:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 22:02:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 22:02:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:02:00,022 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:02:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:02:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:02:00,022 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:02:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:02:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:02:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:02:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:02:00,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:02:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:02:00,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:02:00,024 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:02:00,024 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:02:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-31 22:02:00,025 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-31 22:02:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:02:00,025 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:02:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:02:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:02:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:02:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:02:00,026 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:02:00,026 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:02:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:02:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2024-10-31 22:02:00,027 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2024-10-31 22:02:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:02:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:02:00,027 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:02:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:02:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:02:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:02:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:02:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:02:00,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:02:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:02:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:02:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:02:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:02:00,029 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:02:00,029 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-31 22:02:00,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-31 22:02:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:02:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:02:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:02:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:02:00,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:02:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:02:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:02:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:02:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:02:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:02:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:02:00,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:02:00,434 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:02:00,436 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:02:06,585 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-10-31 22:02:06,585 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:02:06,601 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:02:06,601 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-31 22:02:06,602 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:06 BoogieIcfgContainer [2024-10-31 22:02:06,602 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:02:06,605 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:02:06,606 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:02:06,609 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:02:06,610 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:01:56" (1/3) ... [2024-10-31 22:02:06,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee483b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:06, skipping insertion in model container [2024-10-31 22:02:06,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:01:59" (2/3) ... [2024-10-31 22:02:06,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ee483b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:02:06, skipping insertion in model container [2024-10-31 22:02:06,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:02:06" (3/3) ... [2024-10-31 22:02:06,614 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_clear_harness_negated.i [2024-10-31 22:02:06,635 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:02:06,635 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:02:06,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:02:06,716 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;@eee304c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:02:06,717 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:02:06,722 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-10-31 22:02:06,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-31 22:02:06,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:02:06,737 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-31 22:02:06,738 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:02:06,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:06,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1818819730, now seen corresponding path program 1 times [2024-10-31 22:02:06,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:06,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439118307] [2024-10-31 22:02:06,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:06,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:15,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:02:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:15,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-31 22:02:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:15,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 22:02:15,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:15,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 22:02:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:15,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-31 22:02:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:15,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-31 22:02:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:15,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-31 22:02:15,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:15,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-31 22:02:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:15,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-31 22:02:15,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:15,549 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-31 22:02:15,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:02:15,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439118307] [2024-10-31 22:02:15,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439118307] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:02:15,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:02:15,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:02:15,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765763615] [2024-10-31 22:02:15,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:02:15,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-31 22:02:15,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:02:15,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:02:15,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:15,596 INFO L87 Difference]: Start difference. First operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-31 22:02:19,731 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 [] [2024-10-31 22:02:21,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:02:21,306 INFO L93 Difference]: Finished difference Result 205 states and 276 transitions. [2024-10-31 22:02:21,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:02:21,310 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2024-10-31 22:02:21,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-31 22:02:21,325 INFO L225 Difference]: With dead ends: 205 [2024-10-31 22:02:21,325 INFO L226 Difference]: Without dead ends: 106 [2024-10-31 22:02:21,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:02:21,337 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 28 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 30 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-10-31 22:02:21,339 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 128 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 69 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2024-10-31 22:02:21,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-10-31 22:02:21,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 96. [2024-10-31 22:02:21,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 60 states have internal predecessors, (69), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-10-31 22:02:21,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 118 transitions. [2024-10-31 22:02:21,403 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 118 transitions. Word has length 60 [2024-10-31 22:02:21,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-31 22:02:21,404 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 118 transitions. [2024-10-31 22:02:21,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-10-31 22:02:21,404 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2024-10-31 22:02:21,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-31 22:02:21,410 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:02:21,410 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-10-31 22:02:21,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-31 22:02:21,411 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:02:21,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:02:21,412 INFO L85 PathProgramCache]: Analyzing trace with hash -1417756758, now seen corresponding path program 1 times [2024-10-31 22:02:21,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:02:21,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981165626] [2024-10-31 22:02:21,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:02:21,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:02:28,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:02:29,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2