./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.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_7a0ad53f-89f2-4542-9967-e638ec3448ab/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0ad53f-89f2-4542-9967-e638ec3448ab/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_7a0ad53f-89f2-4542-9967-e638ec3448ab/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0ad53f-89f2-4542-9967-e638ec3448ab/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0ad53f-89f2-4542-9967-e638ec3448ab/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_7a0ad53f-89f2-4542-9967-e638ec3448ab/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 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:12:46,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:12:47,073 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0ad53f-89f2-4542-9967-e638ec3448ab/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 22:12:47,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:12:47,078 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:12:47,114 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:12:47,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:12:47,115 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:12:47,115 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:12:47,116 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:12:47,116 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 22:12:47,116 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 22:12:47,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:12:47,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:12:47,123 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:12:47,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:12:47,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 22:12:47,125 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:12:47,125 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:12:47,125 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 22:12:47,125 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 22:12:47,126 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 22:12:47,126 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:12:47,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:12:47,127 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:12:47,127 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:12:47,127 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:12:47,129 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 22:12:47,129 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 22:12:47,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:47,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:12:47,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 22:12:47,131 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 22:12:47,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:12:47,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 22:12:47,132 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 22:12:47,132 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 22:12:47,133 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 22:12:47,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 22:12:47,134 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_7a0ad53f-89f2-4542-9967-e638ec3448ab/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0ad53f-89f2-4542-9967-e638ec3448ab/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4257c596bef04d5fe8bf259adf6446404c081810303dcc774a436ca59648249a [2024-10-31 22:12:47,407 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:12:47,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:12:47,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:12:47,448 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:12:47,449 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:12:47,450 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0ad53f-89f2-4542-9967-e638ec3448ab/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i Unable to find full path for "g++" [2024-10-31 22:12:50,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:12:50,541 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:12:50,542 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0ad53f-89f2-4542-9967-e638ec3448ab/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i [2024-10-31 22:12:50,584 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0ad53f-89f2-4542-9967-e638ec3448ab/bin/uautomizer-verify-4GaUIPS5ZU/data/4dc08f1e5/5abb372ba6a94e2daebf15c034567a1a/FLAGc3913eff5 [2024-10-31 22:12:51,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0ad53f-89f2-4542-9967-e638ec3448ab/bin/uautomizer-verify-4GaUIPS5ZU/data/4dc08f1e5/5abb372ba6a94e2daebf15c034567a1a [2024-10-31 22:12:51,104 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:12:51,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:12:51,107 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:51,108 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:12:51,113 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:12:51,114 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:51" (1/1) ... [2024-10-31 22:12:51,116 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d452327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:51, skipping insertion in model container [2024-10-31 22:12:51,116 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:12:51" (1/1) ... [2024-10-31 22:12:51,244 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:12:51,763 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_7a0ad53f-89f2-4542-9967-e638ec3448ab/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2024-10-31 22:12:51,790 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_7a0ad53f-89f2-4542-9967-e638ec3448ab/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2024-10-31 22:12:52,918 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:52,919 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:52,920 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:52,921 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:52,923 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:52,941 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:52,942 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:52,945 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:52,946 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:52,948 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:52,950 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:52,951 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:52,952 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:53,922 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:53,933 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,011 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,012 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,013 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,013 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,014 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,015 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,015 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,016 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,017 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,017 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,018 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,018 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,019 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,022 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,023 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,024 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,024 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,029 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,030 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,045 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,046 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,046 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,073 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:54,115 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:12:54,134 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_7a0ad53f-89f2-4542-9967-e638ec3448ab/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4499,4512] [2024-10-31 22:12:54,135 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_7a0ad53f-89f2-4542-9967-e638ec3448ab/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness.i[4559,4572] [2024-10-31 22:12:54,193 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,196 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,197 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,198 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,199 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,212 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,212 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,214 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,215 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,216 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,217 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,218 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,218 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,333 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,339 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7770-7781] [2024-10-31 22:12:54,425 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,426 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,427 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,427 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,427 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,428 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,428 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,429 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,429 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,430 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,430 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,430 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,431 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,432 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,432 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,432 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,433 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,435 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,436 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,441 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,442 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,443 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 22:12:54,453 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:12:54,649 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:12:54,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54 WrapperNode [2024-10-31 22:12:54,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:12:54,652 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:54,652 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:12:54,652 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:12:54,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54" (1/1) ... [2024-10-31 22:12:54,771 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54" (1/1) ... [2024-10-31 22:12:54,905 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2024-10-31 22:12:54,906 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:12:54,907 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:12:54,907 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:12:54,907 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:12:54,918 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54" (1/1) ... [2024-10-31 22:12:54,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54" (1/1) ... [2024-10-31 22:12:54,927 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54" (1/1) ... [2024-10-31 22:12:55,003 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [2, 238, 3, 81, 5, 5, 14, 7]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 6, 1, 5, 0, 0, 5, 0]. The 258 writes are split as follows [0, 232, 1, 17, 2, 2, 2, 2]. [2024-10-31 22:12:55,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54" (1/1) ... [2024-10-31 22:12:55,004 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54" (1/1) ... [2024-10-31 22:12:55,043 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54" (1/1) ... [2024-10-31 22:12:55,051 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54" (1/1) ... [2024-10-31 22:12:55,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54" (1/1) ... [2024-10-31 22:12:55,076 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54" (1/1) ... [2024-10-31 22:12:55,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:12:55,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:12:55,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:12:55,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:12:55,090 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54" (1/1) ... [2024-10-31 22:12:55,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 22:12:55,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0ad53f-89f2-4542-9967-e638ec3448ab/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:12:55,128 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0ad53f-89f2-4542-9967-e638ec3448ab/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 22:12:55,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a0ad53f-89f2-4542-9967-e638ec3448ab/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 22:12:55,161 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-31 22:12:55,162 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-31 22:12:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:12:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-31 22:12:55,162 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-31 22:12:55,162 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-31 22:12:55,162 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-31 22:12:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 22:12:55,163 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 22:12:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 22:12:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 22:12:55,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 22:12:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 22:12:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 22:12:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 22:12:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 22:12:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 22:12:55,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:12:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:12:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 22:12:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 22:12:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 22:12:55,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 22:12:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 22:12:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 22:12:55,167 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 22:12:55,168 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 22:12:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 22:12:55,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 22:12:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 22:12:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:12:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 22:12:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 22:12:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 22:12:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 22:12:55,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 22:12:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 22:12:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 22:12:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 22:12:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:12:55,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:12:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 22:12:55,169 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 22:12:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-31 22:12:55,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-31 22:12:55,169 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-31 22:12:55,170 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-31 22:12:55,170 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-31 22:12:55,171 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-31 22:12:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 22:12:55,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 22:12:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 22:12:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 22:12:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 22:12:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 22:12:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 22:12:55,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 22:12:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-31 22:12:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-31 22:12:55,173 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-31 22:12:55,173 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-31 22:12:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 22:12:55,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 22:12:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:12:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 22:12:55,174 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 22:12:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 22:12:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 22:12:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 22:12:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 22:12:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 22:12:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 22:12:55,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 22:12:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 22:12:55,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 22:12:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 22:12:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 22:12:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 22:12:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 22:12:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 22:12:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 22:12:55,177 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 22:12:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-31 22:12:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-31 22:12:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:12:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:12:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 22:12:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 22:12:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 22:12:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 22:12:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 22:12:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 22:12:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-31 22:12:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-31 22:12:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-10-31 22:12:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-10-31 22:12:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:12:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:12:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 22:12:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 22:12:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 22:12:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 22:12:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 22:12:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 22:12:55,602 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:12:55,605 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:13:02,214 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-10-31 22:13:02,215 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:13:02,255 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:13:02,255 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:13:02,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:02 BoogieIcfgContainer [2024-10-31 22:13:02,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:13:02,264 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 22:13:02,265 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 22:13:02,275 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 22:13:02,276 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 10:12:51" (1/3) ... [2024-10-31 22:13:02,278 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ceff009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:02, skipping insertion in model container [2024-10-31 22:13:02,278 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:12:54" (2/3) ... [2024-10-31 22:13:02,283 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ceff009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 10:13:02, skipping insertion in model container [2024-10-31 22:13:02,283 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:13:02" (3/3) ... [2024-10-31 22:13:02,285 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness.i [2024-10-31 22:13:02,326 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 22:13:02,327 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 22:13:02,494 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 22:13:02,506 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;@6927e1c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 22:13:02,507 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 22:13:02,515 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-31 22:13:02,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-31 22:13:02,542 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 22:13:02,543 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:13:02,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 22:13:02,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:13:02,551 INFO L85 PathProgramCache]: Analyzing trace with hash -1366410741, now seen corresponding path program 1 times [2024-10-31 22:13:02,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:13:02,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840594027] [2024-10-31 22:13:02,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:13:02,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:13:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 22:13:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 22:13:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 22:13:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 22:13:12,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 22:13:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 22:13:12,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 22:13:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 22:13:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 22:13:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 22:13:12,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:13:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:13:12,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 22:13:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 22:13:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 22:13:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-31 22:13:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:12,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-31 22:13:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:13,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-31 22:13:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:13,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-31 22:13:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:13,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 22:13:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:13,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-31 22:13:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:13,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-31 22:13:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:13,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 22:13:13,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:13,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-31 22:13:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:13:13,100 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-10-31 22:13:13,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:13:13,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840594027] [2024-10-31 22:13:13,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840594027] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:13:13,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:13:13,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 22:13:13,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47555963] [2024-10-31 22:13:13,105 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:13:13,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 22:13:13,110 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:13:13,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 22:13:13,135 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 22:13:13,138 INFO L87 Difference]: Start difference. First operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-31 22:13:17,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 22:13:21,624 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 []