./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB --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 2270fe5cc07251a3e14220516eaebb03f8e5cd298a28c4582f3a498662459431 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:34:05,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:34:05,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 04:34:05,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:34:05,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:34:05,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:34:05,963 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:34:05,964 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:34:05,965 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:34:05,965 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:34:05,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:34:05,966 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:34:05,966 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:34:05,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:34:05,967 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:34:05,967 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:34:05,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:34:05,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:34:05,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:34:05,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:34:05,967 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:34:05,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:34:05,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:34:05,968 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:34:05,970 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:34:05,970 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:34:05,970 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:34:05,970 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:34:05,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:34:05,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:34:05,971 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:34:05,971 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:34:05,971 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:34:05,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:34:05,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:34:05,972 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:34:05,972 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:34:05,972 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:34:05,972 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:34:05,972 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:34:05,972 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:34:05,973 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:34:05,973 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:34:05,973 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:34:05,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:34:05,973 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2270fe5cc07251a3e14220516eaebb03f8e5cd298a28c4582f3a498662459431 [2024-11-28 04:34:06,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:34:06,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:34:06,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:34:06,358 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:34:06,358 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:34:06,363 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i [2024-11-28 04:34:10,185 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/data/82d664ade/0ca113401abf4f99af637e2fc107ac41/FLAG62555002a [2024-11-28 04:34:11,078 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:34:11,079 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i [2024-11-28 04:34:11,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/data/82d664ade/0ca113401abf4f99af637e2fc107ac41/FLAG62555002a [2024-11-28 04:34:11,271 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/data/82d664ade/0ca113401abf4f99af637e2fc107ac41 [2024-11-28 04:34:11,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:34:11,275 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:34:11,276 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:34:11,276 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:34:11,281 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:34:11,283 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:11" (1/1) ... [2024-11-28 04:34:11,284 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eac6fe6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:11, skipping insertion in model container [2024-11-28 04:34:11,284 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:34:11" (1/1) ... [2024-11-28 04:34:11,391 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:34:11,693 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4497,4510] [2024-11-28 04:34:11,702 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4557,4570] [2024-11-28 04:34:12,974 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:12,975 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:12,976 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:12,977 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:12,979 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:13,002 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:13,003 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:13,006 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:13,007 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:13,012 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:13,014 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:13,015 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:13,016 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:13,959 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:13,969 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,133 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,134 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,135 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,135 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,136 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,137 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,137 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,138 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,139 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,139 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,139 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,139 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,140 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,145 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,145 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,145 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,146 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,152 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,153 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,169 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,170 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,170 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:34:14,294 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:34:14,319 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4497,4510] [2024-11-28 04:34:14,319 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness_negated.i[4557,4570] [2024-11-28 04:34:14,421 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,423 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,424 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,425 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,426 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,437 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,439 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,440 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,442 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,444 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,444 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,445 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,446 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,595 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,603 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,615 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7739-7750] [2024-11-28 04:34:14,654 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,655 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,655 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,656 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,657 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,658 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,658 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,659 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,659 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,659 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,659 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,660 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,660 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,661 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,661 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,661 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,662 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,667 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,668 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,680 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,681 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,682 WARN L1675 CHandler]: Possible shadowing of function index [2024-11-28 04:34:14,695 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:34:14,976 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:34:14,976 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14 WrapperNode [2024-11-28 04:34:14,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:34:14,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:34:14,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:34:14,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:34:14,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (1/1) ... [2024-11-28 04:34:15,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (1/1) ... [2024-11-28 04:34:15,155 INFO L138 Inliner]: procedures = 686, calls = 1891, calls flagged for inlining = 59, calls inlined = 19, statements flattened = 1194 [2024-11-28 04:34:15,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:34:15,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:34:15,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:34:15,157 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:34:15,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (1/1) ... [2024-11-28 04:34:15,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (1/1) ... [2024-11-28 04:34:15,198 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (1/1) ... [2024-11-28 04:34:15,396 INFO L175 MemorySlicer]: Split 385 memory accesses to 6 slices as follows [238, 2, 7, 24, 105, 9]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 2, 5, 0, 1]. The 268 writes are split as follows [232, 0, 1, 8, 26, 1]. [2024-11-28 04:34:15,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (1/1) ... [2024-11-28 04:34:15,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (1/1) ... [2024-11-28 04:34:15,455 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (1/1) ... [2024-11-28 04:34:15,459 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (1/1) ... [2024-11-28 04:34:15,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (1/1) ... [2024-11-28 04:34:15,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (1/1) ... [2024-11-28 04:34:15,515 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (1/1) ... [2024-11-28 04:34:15,544 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:34:15,545 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:34:15,546 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:34:15,546 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:34:15,547 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (1/1) ... [2024-11-28 04:34:15,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:34:15,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:34:15,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:34:15,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:34:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-28 04:34:15,636 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-28 04:34:15,636 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2024-11-28 04:34:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2024-11-28 04:34:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-28 04:34:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-28 04:34:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-28 04:34:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-28 04:34:15,637 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-28 04:34:15,637 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-28 04:34:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-28 04:34:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-28 04:34:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-28 04:34:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-28 04:34:15,638 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-28 04:34:15,638 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-28 04:34:15,639 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-28 04:34:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-28 04:34:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-28 04:34:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-28 04:34:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-28 04:34:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-28 04:34:15,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-28 04:34:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 04:34:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-28 04:34:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-28 04:34:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-28 04:34:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-28 04:34:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-28 04:34:15,640 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-28 04:34:15,640 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-28 04:34:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-28 04:34:15,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-28 04:34:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:34:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:34:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-28 04:34:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-28 04:34:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-28 04:34:15,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-28 04:34:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-28 04:34:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-28 04:34:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-28 04:34:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-28 04:34:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-28 04:34:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-28 04:34:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:34:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:34:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-28 04:34:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-28 04:34:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-28 04:34:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-28 04:34:15,642 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-28 04:34:15,642 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-28 04:34:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-28 04:34:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-28 04:34:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-28 04:34:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-28 04:34:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-28 04:34:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-28 04:34:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-28 04:34:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-28 04:34:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-28 04:34:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-28 04:34:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-28 04:34:15,643 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-28 04:34:15,643 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-28 04:34:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-28 04:34:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-28 04:34:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-28 04:34:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-28 04:34:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-28 04:34:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-28 04:34:15,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-28 04:34:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-28 04:34:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-28 04:34:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-28 04:34:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-28 04:34:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-28 04:34:15,644 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-28 04:34:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 04:34:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 04:34:15,645 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-28 04:34:15,645 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-28 04:34:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-28 04:34:15,646 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-28 04:34:15,646 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-28 04:34:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-28 04:34:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-28 04:34:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-28 04:34:15,647 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-28 04:34:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 04:34:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-28 04:34:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-28 04:34:15,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-28 04:34:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-28 04:34:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-28 04:34:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 04:34:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-28 04:34:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-28 04:34:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-28 04:34:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-28 04:34:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-28 04:34:15,648 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-28 04:34:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-28 04:34:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-28 04:34:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-28 04:34:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-28 04:34:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-28 04:34:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-28 04:34:15,649 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-28 04:34:15,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-28 04:34:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-28 04:34:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-28 04:34:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-28 04:34:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-28 04:34:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-28 04:34:15,650 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-28 04:34:15,650 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-28 04:34:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-11-28 04:34:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-11-28 04:34:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-28 04:34:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-28 04:34:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:34:15,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-28 04:34:15,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:34:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-28 04:34:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-28 04:34:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-28 04:34:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-28 04:34:15,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-28 04:34:16,359 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:34:16,362 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:34:24,768 INFO L? ?]: Removed 322 outVars from TransFormulas that were not future-live. [2024-11-28 04:34:24,768 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:34:24,813 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:34:24,816 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 04:34:24,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:24 BoogieIcfgContainer [2024-11-28 04:34:24,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:34:24,819 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:34:24,823 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:34:24,833 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:34:24,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:34:11" (1/3) ... [2024-11-28 04:34:24,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fb4206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:34:24, skipping insertion in model container [2024-11-28 04:34:24,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:34:14" (2/3) ... [2024-11-28 04:34:24,839 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fb4206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:34:24, skipping insertion in model container [2024-11-28 04:34:24,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:34:24" (3/3) ... [2024-11-28 04:34:24,841 INFO L128 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness_negated.i [2024-11-28 04:34:24,867 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:34:24,870 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG aws_priority_queue_push_harness_negated.i that has 39 procedures, 572 locations, 1 initial locations, 10 loop locations, and 2 error locations. [2024-11-28 04:34:25,003 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:34:25,025 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;@61bbb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:34:25,026 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 04:34:25,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 556 states, 318 states have (on average 1.2421383647798743) internal successors, (395), 321 states have internal predecessors, (395), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-28 04:34:25,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 04:34:25,066 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:25,068 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:25,070 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:34:25,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:25,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1237448734, now seen corresponding path program 1 times [2024-11-28 04:34:25,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:34:25,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863120349] [2024-11-28 04:34:25,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:25,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:34:35,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:36,355 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-28 04:34:36,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:34:36,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863120349] [2024-11-28 04:34:36,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863120349] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:34:36,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [579755025] [2024-11-28 04:34:36,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:36,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:34:36,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:34:36,363 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:34:36,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:34:45,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:45,923 INFO L256 TraceCheckSpWp]: Trace formula consists of 4658 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 04:34:45,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:34:45,988 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-28 04:34:45,989 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:34:45,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [579755025] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:34:45,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:34:45,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 04:34:45,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126312752] [2024-11-28 04:34:45,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:34:46,000 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 04:34:46,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:34:46,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 04:34:46,029 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:34:46,034 INFO L87 Difference]: Start difference. First operand has 556 states, 318 states have (on average 1.2421383647798743) internal successors, (395), 321 states have internal predecessors, (395), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 04:34:46,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:34:46,200 INFO L93 Difference]: Finished difference Result 1084 states and 1701 transitions. [2024-11-28 04:34:46,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 04:34:46,203 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 197 [2024-11-28 04:34:46,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:34:46,228 INFO L225 Difference]: With dead ends: 1084 [2024-11-28 04:34:46,228 INFO L226 Difference]: Without dead ends: 549 [2024-11-28 04:34:46,251 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 04:34:46,257 INFO L435 NwaCegarLoop]: 789 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 789 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:34:46,260 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 789 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:34:46,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2024-11-28 04:34:46,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 549. [2024-11-28 04:34:46,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 549 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 314 states have internal predecessors, (382), 202 states have call successors, (202), 34 states have call predecessors, (202), 33 states have return successors, (200), 200 states have call predecessors, (200), 200 states have call successors, (200) [2024-11-28 04:34:46,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 784 transitions. [2024-11-28 04:34:46,478 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 784 transitions. Word has length 197 [2024-11-28 04:34:46,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:34:46,484 INFO L471 AbstractCegarLoop]: Abstraction has 549 states and 784 transitions. [2024-11-28 04:34:46,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-28 04:34:46,485 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 784 transitions. [2024-11-28 04:34:46,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-28 04:34:46,499 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:34:46,500 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:34:46,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 04:34:46,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-28 04:34:46,702 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:34:46,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:34:46,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1202125412, now seen corresponding path program 1 times [2024-11-28 04:34:46,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:34:46,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572211888] [2024-11-28 04:34:46,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:46,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:34:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:34:56,562 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-28 04:34:56,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:34:56,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572211888] [2024-11-28 04:34:56,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572211888] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:34:56,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [183455837] [2024-11-28 04:34:56,564 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:34:56,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:34:56,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:34:56,569 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:34:56,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:35:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:05,490 INFO L256 TraceCheckSpWp]: Trace formula consists of 4658 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-28 04:35:05,500 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:35:06,393 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-28 04:35:06,396 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:35:06,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [183455837] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:06,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:35:06,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-28 04:35:06,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219135303] [2024-11-28 04:35:06,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:06,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:35:06,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:06,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:35:06,401 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-28 04:35:06,402 INFO L87 Difference]: Start difference. First operand 549 states and 784 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-28 04:35:09,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:09,749 INFO L93 Difference]: Finished difference Result 1052 states and 1516 transitions. [2024-11-28 04:35:09,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:35:09,750 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 197 [2024-11-28 04:35:09,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:09,763 INFO L225 Difference]: With dead ends: 1052 [2024-11-28 04:35:09,763 INFO L226 Difference]: Without dead ends: 551 [2024-11-28 04:35:09,769 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:35:09,770 INFO L435 NwaCegarLoop]: 707 mSDtfsCounter, 794 mSDsluCounter, 2034 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 798 SdHoareTripleChecker+Valid, 2741 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:09,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [798 Valid, 2741 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-28 04:35:09,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2024-11-28 04:35:09,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 551. [2024-11-28 04:35:09,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 551 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 316 states have internal predecessors, (383), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (210), 200 states have call predecessors, (210), 200 states have call successors, (210) [2024-11-28 04:35:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 551 states and 795 transitions. [2024-11-28 04:35:09,890 INFO L78 Accepts]: Start accepts. Automaton has 551 states and 795 transitions. Word has length 197 [2024-11-28 04:35:09,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:09,892 INFO L471 AbstractCegarLoop]: Abstraction has 551 states and 795 transitions. [2024-11-28 04:35:09,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-28 04:35:09,892 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 795 transitions. [2024-11-28 04:35:09,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-28 04:35:09,898 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:09,898 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:09,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 04:35:10,099 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:35:10,099 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:35:10,100 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:10,100 INFO L85 PathProgramCache]: Analyzing trace with hash 2146553172, now seen corresponding path program 1 times [2024-11-28 04:35:10,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:10,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655144439] [2024-11-28 04:35:10,101 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:10,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:19,682 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-28 04:35:19,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:19,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655144439] [2024-11-28 04:35:19,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655144439] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:35:19,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243854522] [2024-11-28 04:35:19,685 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:19,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:35:19,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:19,692 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:35:19,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 04:35:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:27,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 4708 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 04:35:27,781 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:35:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-28 04:35:29,002 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:35:29,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243854522] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:29,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:35:29,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-28 04:35:29,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460131345] [2024-11-28 04:35:29,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:29,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:35:29,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:29,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:35:29,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-28 04:35:29,005 INFO L87 Difference]: Start difference. First operand 551 states and 795 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 04:35:32,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:32,511 INFO L93 Difference]: Finished difference Result 1075 states and 1596 transitions. [2024-11-28 04:35:32,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-28 04:35:32,512 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 205 [2024-11-28 04:35:32,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:32,520 INFO L225 Difference]: With dead ends: 1075 [2024-11-28 04:35:32,520 INFO L226 Difference]: Without dead ends: 572 [2024-11-28 04:35:32,524 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-28 04:35:32,525 INFO L435 NwaCegarLoop]: 751 mSDtfsCounter, 88 mSDsluCounter, 3531 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 4282 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:32,526 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 4282 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2024-11-28 04:35:32,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2024-11-28 04:35:32,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 570. [2024-11-28 04:35:32,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 329 states have (on average 1.2310030395136777) internal successors, (405), 332 states have internal predecessors, (405), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2024-11-28 04:35:32,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 853 transitions. [2024-11-28 04:35:32,580 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 853 transitions. Word has length 205 [2024-11-28 04:35:32,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:32,580 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 853 transitions. [2024-11-28 04:35:32,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-28 04:35:32,581 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 853 transitions. [2024-11-28 04:35:32,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-28 04:35:32,585 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:32,585 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:32,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-28 04:35:32,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:35:32,786 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:35:32,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:32,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1794014854, now seen corresponding path program 1 times [2024-11-28 04:35:32,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:32,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387345877] [2024-11-28 04:35:32,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:32,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-28 04:35:41,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:41,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387345877] [2024-11-28 04:35:41,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387345877] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:35:41,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976874582] [2024-11-28 04:35:41,253 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:41,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:35:41,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:41,260 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:35:41,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-28 04:35:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:50,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 4835 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-28 04:35:50,255 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:35:51,245 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-28 04:35:51,245 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:35:51,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976874582] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:51,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:35:51,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-28 04:35:51,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184656556] [2024-11-28 04:35:51,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:51,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 04:35:51,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:51,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 04:35:51,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-28 04:35:51,247 INFO L87 Difference]: Start difference. First operand 570 states and 853 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-28 04:35:55,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:55,264 INFO L93 Difference]: Finished difference Result 1098 states and 1667 transitions. [2024-11-28 04:35:55,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 04:35:55,265 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 220 [2024-11-28 04:35:55,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:55,282 INFO L225 Difference]: With dead ends: 1098 [2024-11-28 04:35:55,282 INFO L226 Difference]: Without dead ends: 576 [2024-11-28 04:35:55,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:35:55,289 INFO L435 NwaCegarLoop]: 699 mSDtfsCounter, 810 mSDsluCounter, 2681 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 814 SdHoareTripleChecker+Valid, 3380 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:55,289 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [814 Valid, 3380 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-28 04:35:55,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2024-11-28 04:35:55,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 570. [2024-11-28 04:35:55,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 329 states have (on average 1.2310030395136777) internal successors, (405), 332 states have internal predecessors, (405), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2024-11-28 04:35:55,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 853 transitions. [2024-11-28 04:35:55,371 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 853 transitions. Word has length 220 [2024-11-28 04:35:55,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:55,372 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 853 transitions. [2024-11-28 04:35:55,373 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-28 04:35:55,373 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 853 transitions. [2024-11-28 04:35:55,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-28 04:35:55,378 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:55,379 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:55,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-28 04:35:55,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:35:55,580 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:35:55,581 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:55,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1227301979, now seen corresponding path program 1 times [2024-11-28 04:35:55,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:55,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181010918] [2024-11-28 04:35:55,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:55,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:02,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-11-28 04:36:04,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:04,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181010918] [2024-11-28 04:36:04,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181010918] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:36:04,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405427706] [2024-11-28 04:36:04,940 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:36:04,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:04,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:36:04,944 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:36:04,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-28 04:36:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:36:14,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 4907 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-28 04:36:14,265 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:36:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-28 04:36:16,085 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:36:16,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405427706] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:16,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 04:36:16,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-28 04:36:16,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294150305] [2024-11-28 04:36:16,086 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:16,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-28 04:36:16,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:16,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-28 04:36:16,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-11-28 04:36:16,088 INFO L87 Difference]: Start difference. First operand 570 states and 853 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-28 04:36:21,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:21,100 INFO L93 Difference]: Finished difference Result 1125 states and 1706 transitions. [2024-11-28 04:36:21,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-28 04:36:21,101 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) Word has length 236 [2024-11-28 04:36:21,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:21,109 INFO L225 Difference]: With dead ends: 1125 [2024-11-28 04:36:21,109 INFO L226 Difference]: Without dead ends: 603 [2024-11-28 04:36:21,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-11-28 04:36:21,117 INFO L435 NwaCegarLoop]: 728 mSDtfsCounter, 110 mSDsluCounter, 4131 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 4859 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:21,118 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 4859 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2024-11-28 04:36:21,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2024-11-28 04:36:21,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 570. [2024-11-28 04:36:21,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 570 states, 329 states have (on average 1.2310030395136777) internal successors, (405), 332 states have internal predecessors, (405), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2024-11-28 04:36:21,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 853 transitions. [2024-11-28 04:36:21,170 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 853 transitions. Word has length 236 [2024-11-28 04:36:21,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:21,171 INFO L471 AbstractCegarLoop]: Abstraction has 570 states and 853 transitions. [2024-11-28 04:36:21,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35) [2024-11-28 04:36:21,173 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 853 transitions. [2024-11-28 04:36:21,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2024-11-28 04:36:21,181 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:21,181 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:21,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-28 04:36:21,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:21,382 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:21,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:21,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1389719441, now seen corresponding path program 2 times [2024-11-28 04:36:21,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:21,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720318468] [2024-11-28 04:36:21,383 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 04:36:21,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:28,190 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-28 04:36:28,191 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:36:31,829 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2024-11-28 04:36:31,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:31,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720318468] [2024-11-28 04:36:31,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720318468] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:36:31,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:36:31,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 04:36:31,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429476157] [2024-11-28 04:36:31,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:36:31,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:36:31,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:36:31,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:36:31,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:36:31,834 INFO L87 Difference]: Start difference. First operand 570 states and 853 transitions. Second operand has 6 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-28 04:36:32,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:36:32,494 INFO L93 Difference]: Finished difference Result 578 states and 861 transitions. [2024-11-28 04:36:32,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:36:32,495 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) Word has length 251 [2024-11-28 04:36:32,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:36:32,503 INFO L225 Difference]: With dead ends: 578 [2024-11-28 04:36:32,503 INFO L226 Difference]: Without dead ends: 576 [2024-11-28 04:36:32,504 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-28 04:36:32,505 INFO L435 NwaCegarLoop]: 781 mSDtfsCounter, 3 mSDsluCounter, 3086 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 3867 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-28 04:36:32,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 3867 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-28 04:36:32,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2024-11-28 04:36:32,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 575. [2024-11-28 04:36:32,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 575 states, 332 states have (on average 1.2289156626506024) internal successors, (408), 335 states have internal predecessors, (408), 205 states have call successors, (205), 35 states have call predecessors, (205), 36 states have return successors, (245), 204 states have call predecessors, (245), 203 states have call successors, (245) [2024-11-28 04:36:32,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 858 transitions. [2024-11-28 04:36:32,556 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 858 transitions. Word has length 251 [2024-11-28 04:36:32,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:36:32,557 INFO L471 AbstractCegarLoop]: Abstraction has 575 states and 858 transitions. [2024-11-28 04:36:32,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 4 states have internal predecessors, (90), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (35), 2 states have call predecessors, (35), 1 states have call successors, (35) [2024-11-28 04:36:32,558 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 858 transitions. [2024-11-28 04:36:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-11-28 04:36:32,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:36:32,564 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:36:32,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:36:32,565 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 04:36:32,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:36:32,566 INFO L85 PathProgramCache]: Analyzing trace with hash 908155397, now seen corresponding path program 3 times [2024-11-28 04:36:32,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:36:32,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363613653] [2024-11-28 04:36:32,567 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:36:32,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:36:42,067 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-28 04:36:42,068 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 04:36:45,341 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2024-11-28 04:36:45,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:36:45,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363613653] [2024-11-28 04:36:45,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363613653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 04:36:45,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [655363398] [2024-11-28 04:36:45,343 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-28 04:36:45,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:36:45,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:36:45,346 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:36:45,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04d57dfa-1331-4675-b6bd-a8a3f5b40f31/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process