./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:57:16,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:57:16,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-31 21:57:16,928 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:57:16,929 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:57:16,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:57:16,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:57:16,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:57:16,967 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:57:16,968 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:57:16,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-31 21:57:16,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-31 21:57:16,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:57:16,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:57:16,973 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:57:16,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:57:16,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-31 21:57:16,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:57:16,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:57:16,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-31 21:57:16,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-31 21:57:16,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-31 21:57:16,979 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:57:16,980 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:57:16,980 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:57:16,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:57:16,980 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:57:16,981 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-31 21:57:16,981 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-31 21:57:16,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:57:16,982 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:57:16,983 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-31 21:57:16,984 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-31 21:57:16,984 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:57:16,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-31 21:57:16,984 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-31 21:57:16,984 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-31 21:57:16,985 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-31 21:57:16,985 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-31 21:57:16,985 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 [2024-10-31 21:57:17,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:57:17,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:57:17,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:57:17,400 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:57:17,401 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:57:17,402 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i Unable to find full path for "g++" [2024-10-31 21:57:19,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:57:20,155 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:57:20,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-10-31 21:57:20,207 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU/data/f4d1cb932/751373c58eed4d419414d4de4e40670c/FLAGe9e4a7163 [2024-10-31 21:57:20,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU/data/f4d1cb932/751373c58eed4d419414d4de4e40670c [2024-10-31 21:57:20,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:57:20,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:57:20,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:20,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:57:20,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:57:20,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:20" (1/1) ... [2024-10-31 21:57:20,704 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3580d6dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:20, skipping insertion in model container [2024-10-31 21:57:20,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:57:20" (1/1) ... [2024-10-31 21:57:20,842 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:57:21,224 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4499,4512] [2024-10-31 21:57:21,234 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4559,4572] [2024-10-31 21:57:22,436 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:22,438 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:22,438 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:22,439 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:22,441 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:22,459 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:22,459 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:22,462 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:22,463 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:22,465 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:22,467 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:22,468 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:22,469 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,059 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,068 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,133 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,134 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,135 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,136 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,136 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,137 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,137 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,138 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,139 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,139 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,139 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,140 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,140 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,143 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,144 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,144 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,145 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,149 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,149 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,163 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,168 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,168 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:23,257 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:57:23,277 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4499,4512] [2024-10-31 21:57:23,278 WARN L251 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i[4559,4572] [2024-10-31 21:57:23,348 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,348 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,350 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,350 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,351 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,360 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,361 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,363 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,363 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,365 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,369 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,369 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,370 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,524 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,529 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] [2024-10-31 21:57:23,554 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,554 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,555 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,555 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,555 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,556 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,556 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,557 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,557 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,558 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,558 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,558 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,559 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,560 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,560 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,560 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,561 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,564 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,564 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,570 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,571 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,571 WARN L1657 CHandler]: Possible shadowing of function index [2024-10-31 21:57:23,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:57:23,802 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:57:23,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23 WrapperNode [2024-10-31 21:57:23,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:57:23,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:23,805 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:57:23,805 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:57:23,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23" (1/1) ... [2024-10-31 21:57:23,906 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23" (1/1) ... [2024-10-31 21:57:24,014 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2024-10-31 21:57:24,017 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:57:24,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:57:24,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:57:24,020 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:57:24,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23" (1/1) ... [2024-10-31 21:57:24,034 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23" (1/1) ... [2024-10-31 21:57:24,049 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23" (1/1) ... [2024-10-31 21:57:24,148 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [238, 2, 5, 3, 81, 7, 5, 14]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 0, 1, 5, 0, 0, 5]. The 258 writes are split as follows [232, 0, 2, 1, 17, 2, 2, 2]. [2024-10-31 21:57:24,148 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23" (1/1) ... [2024-10-31 21:57:24,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23" (1/1) ... [2024-10-31 21:57:24,215 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23" (1/1) ... [2024-10-31 21:57:24,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23" (1/1) ... [2024-10-31 21:57:24,245 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23" (1/1) ... [2024-10-31 21:57:24,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23" (1/1) ... [2024-10-31 21:57:24,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:57:24,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:57:24,283 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:57:24,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:57:24,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23" (1/1) ... [2024-10-31 21:57:24,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-31 21:57:24,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:57:24,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-31 21:57:24,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c85a1a7a-5f5b-4115-ad1d-7005387f3fa4/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-31 21:57:24,362 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-31 21:57:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-31 21:57:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:57:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-31 21:57:24,363 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-31 21:57:24,363 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-31 21:57:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-31 21:57:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-31 21:57:24,364 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-31 21:57:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-31 21:57:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-31 21:57:24,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-31 21:57:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-31 21:57:24,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-31 21:57:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-10-31 21:57:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-10-31 21:57:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-10-31 21:57:24,366 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:57:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:57:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-31 21:57:24,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-31 21:57:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-31 21:57:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-31 21:57:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-10-31 21:57:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-10-31 21:57:24,368 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-31 21:57:24,369 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-31 21:57:24,369 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-31 21:57:24,370 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-31 21:57:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:57:24,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 21:57:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-31 21:57:24,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-31 21:57:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-31 21:57:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-31 21:57:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-31 21:57:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-31 21:57:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-10-31 21:57:24,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-10-31 21:57:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:57:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:57:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-31 21:57:24,373 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-31 21:57:24,373 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-31 21:57:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-31 21:57:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-31 21:57:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-31 21:57:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-31 21:57:24,374 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-31 21:57:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-31 21:57:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-31 21:57:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-31 21:57:24,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-31 21:57:24,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-31 21:57:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-10-31 21:57:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-10-31 21:57:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-10-31 21:57:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-31 21:57:24,376 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-31 21:57:24,376 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-31 21:57:24,377 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-31 21:57:24,377 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-31 21:57:24,377 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-31 21:57:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 21:57:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-31 21:57:24,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-31 21:57:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-31 21:57:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-31 21:57:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-31 21:57:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-31 21:57:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-10-31 21:57:24,379 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-10-31 21:57:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-31 21:57:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-31 21:57:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-31 21:57:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-31 21:57:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-31 21:57:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-31 21:57:24,380 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-10-31 21:57:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-10-31 21:57:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-31 21:57:24,381 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-31 21:57:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-31 21:57:24,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-31 21:57:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:57:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:57:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-31 21:57:24,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-31 21:57:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-31 21:57:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-31 21:57:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-10-31 21:57:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-10-31 21:57:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-31 21:57:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-31 21:57:24,382 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-10-31 21:57:24,382 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-10-31 21:57:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 21:57:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 21:57:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-31 21:57:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-31 21:57:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-31 21:57:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-31 21:57:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-10-31 21:57:24,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-10-31 21:57:24,856 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:57:24,859 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:57:31,114 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-10-31 21:57:31,115 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:57:31,131 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:57:31,131 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 21:57:31,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:31 BoogieIcfgContainer [2024-10-31 21:57:31,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:57:31,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-31 21:57:31,134 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-31 21:57:31,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-31 21:57:31,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.10 09:57:20" (1/3) ... [2024-10-31 21:57:31,139 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7573a476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:57:31, skipping insertion in model container [2024-10-31 21:57:31,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:57:23" (2/3) ... [2024-10-31 21:57:31,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7573a476 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.10 09:57:31, skipping insertion in model container [2024-10-31 21:57:31,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:57:31" (3/3) ... [2024-10-31 21:57:31,143 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness_negated.i [2024-10-31 21:57:31,162 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-31 21:57:31,163 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-31 21:57:31,237 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-31 21:57:31,243 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;@207473d5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-31 21:57:31,244 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-31 21:57:31,248 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-10-31 21:57:31,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-10-31 21:57:31,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-31 21:57:31,265 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:57:31,265 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-31 21:57:31,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:57:31,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1366410741, now seen corresponding path program 1 times [2024-10-31 21:57:31,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:57:31,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261716453] [2024-10-31 21:57:31,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:57:31,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:57:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 21:57:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 21:57:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 21:57:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 21:57:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-31 21:57:40,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-31 21:57:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-31 21:57:40,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-31 21:57:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-10-31 21:57:40,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-31 21:57:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 21:57:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 21:57:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-10-31 21:57:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-31 21:57:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-31 21:57:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-31 21:57:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-31 21:57:40,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-31 21:57:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-31 21:57:40,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-31 21:57:40,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-31 21:57:40,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-31 21:57:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-31 21:57:40,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-31 21:57:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:57:40,782 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-10-31 21:57:40,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:57:40,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261716453] [2024-10-31 21:57:40,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261716453] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:57:40,787 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:57:40,787 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-31 21:57:40,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87299909] [2024-10-31 21:57:40,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:57:40,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-31 21:57:40,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:57:40,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-31 21:57:40,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-31 21:57:40,831 INFO L87 Difference]: Start difference. First operand has 218 states, 140 states have (on average 1.2214285714285715) internal successors, (171), 141 states have internal predecessors, (171), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-31 21:57:44,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-10-31 21:57:49,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []