./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/aws-c-common/aws_linked_list_end_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/config/AutomizerReach.xml -i ../../sv-benchmarks/c/aws-c-common/aws_linked_list_end_harness.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx --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 a49fa15b0860d2357f9ad3c8c6bab1d80cf83a6734355dc0b05c55121c837273 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:13:33,870 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:13:33,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-21 22:13:33,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:13:33,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:13:34,025 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:13:34,026 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:13:34,026 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:13:34,027 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:13:34,027 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:13:34,028 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 22:13:34,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-21 22:13:34,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:13:34,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:13:34,031 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:13:34,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:13:34,032 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 22:13:34,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:13:34,033 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:13:34,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 22:13:34,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 22:13:34,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 22:13:34,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:13:34,041 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:13:34,047 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:13:34,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:13:34,048 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-21 22:13:34,049 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-21 22:13:34,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:13:34,050 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:13:34,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 22:13:34,051 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 22:13:34,052 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:13:34,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 22:13:34,052 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-21 22:13:34,052 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-21 22:13:34,053 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 22:13:34,053 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-21 22:13:34,053 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 22:13:34,053 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_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a49fa15b0860d2357f9ad3c8c6bab1d80cf83a6734355dc0b05c55121c837273 [2023-11-21 22:13:34,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:13:34,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:13:34,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:13:34,359 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:13:34,360 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:13:34,361 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/aws-c-common/aws_linked_list_end_harness.i [2023-11-21 22:13:37,501 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:13:38,074 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:13:38,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/sv-benchmarks/c/aws-c-common/aws_linked_list_end_harness.i [2023-11-21 22:13:38,120 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/data/c69802bc6/d1dfb89fe3714b78a289afd125bc4a9c/FLAGe619c6698 [2023-11-21 22:13:38,142 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/data/c69802bc6/d1dfb89fe3714b78a289afd125bc4a9c [2023-11-21 22:13:38,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:13:38,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:13:38,159 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:13:38,159 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:13:38,166 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:13:38,167 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:38" (1/1) ... [2023-11-21 22:13:38,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61613a58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:38, skipping insertion in model container [2023-11-21 22:13:38,168 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:13:38" (1/1) ... [2023-11-21 22:13:38,268 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:13:38,561 WARN L240 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_ae491586-3345-47e6-9589-f4acf8fcd19f/sv-benchmarks/c/aws-c-common/aws_linked_list_end_harness.i[4493,4506] [2023-11-21 22:13:38,570 WARN L240 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_ae491586-3345-47e6-9589-f4acf8fcd19f/sv-benchmarks/c/aws-c-common/aws_linked_list_end_harness.i[4553,4566] [2023-11-21 22:13:39,643 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:39,644 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:39,644 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:39,646 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:39,647 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:39,661 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:39,662 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:39,665 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:39,665 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:39,668 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:39,669 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:39,670 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:39,671 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,150 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 22:13:40,152 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 22:13:40,156 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 22:13:40,160 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 22:13:40,163 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 22:13:40,166 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 22:13:40,167 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 22:13:40,169 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 22:13:40,169 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 22:13:40,183 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 22:13:40,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:13:40,489 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:13:40,520 WARN L240 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_ae491586-3345-47e6-9589-f4acf8fcd19f/sv-benchmarks/c/aws-c-common/aws_linked_list_end_harness.i[4493,4506] [2023-11-21 22:13:40,525 WARN L240 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_ae491586-3345-47e6-9589-f4acf8fcd19f/sv-benchmarks/c/aws-c-common/aws_linked_list_end_harness.i[4553,4566] [2023-11-21 22:13:40,582 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,583 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,583 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,584 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,584 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,594 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,594 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,596 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,596 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,597 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,598 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,599 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,599 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-21 22:13:40,637 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-21 22:13:40,638 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-21 22:13:40,639 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-21 22:13:40,640 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-21 22:13:40,647 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-21 22:13:40,648 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-21 22:13:40,648 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-21 22:13:40,651 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-21 22:13:40,652 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-21 22:13:40,652 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-21 22:13:40,720 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:13:41,011 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,011 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,011 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,011 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,012 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,012 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,012 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,013 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,013 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,013 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,014 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,014 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,015 WARN L675 CHandler]: The function memcmp is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,015 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,015 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,015 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 22:13:41,024 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:13:41,025 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41 WrapperNode [2023-11-21 22:13:41,025 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:13:41,027 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:13:41,027 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:13:41,027 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:13:41,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41" (1/1) ... [2023-11-21 22:13:41,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41" (1/1) ... [2023-11-21 22:13:41,224 INFO L138 Inliner]: procedures = 678, calls = 1040, calls flagged for inlining = 52, calls inlined = 6, statements flattened = 135 [2023-11-21 22:13:41,224 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:13:41,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:13:41,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:13:41,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:13:41,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41" (1/1) ... [2023-11-21 22:13:41,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41" (1/1) ... [2023-11-21 22:13:41,249 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41" (1/1) ... [2023-11-21 22:13:41,288 INFO L187 HeapSplitter]: Split 21 memory accesses to 3 slices as follows [2, 5, 14] [2023-11-21 22:13:41,288 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41" (1/1) ... [2023-11-21 22:13:41,289 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41" (1/1) ... [2023-11-21 22:13:41,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41" (1/1) ... [2023-11-21 22:13:41,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41" (1/1) ... [2023-11-21 22:13:41,333 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41" (1/1) ... [2023-11-21 22:13:41,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41" (1/1) ... [2023-11-21 22:13:41,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:13:41,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:13:41,354 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:13:41,354 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:13:41,355 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41" (1/1) ... [2023-11-21 22:13:41,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-21 22:13:41,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:41,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-21 22:13:41,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-21 22:13:41,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:13:41,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 22:13:41,447 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 22:13:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2023-11-21 22:13:41,448 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2023-11-21 22:13:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-21 22:13:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_is_valid [2023-11-21 22:13:41,448 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_is_valid [2023-11-21 22:13:41,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:13:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-21 22:13:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-21 22:13:41,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-21 22:13:41,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:13:41,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:13:41,450 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 22:13:41,451 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 22:13:41,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:13:41,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-21 22:13:41,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-21 22:13:41,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-21 22:13:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-21 22:13:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-21 22:13:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-21 22:13:41,452 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2023-11-21 22:13:41,452 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2023-11-21 22:13:41,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:13:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:13:41,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-21 22:13:41,793 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:13:41,797 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:13:42,125 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:13:42,307 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:13:42,307 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 22:13:42,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:42 BoogieIcfgContainer [2023-11-21 22:13:42,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:13:42,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-21 22:13:42,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-21 22:13:42,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-21 22:13:42,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 10:13:38" (1/3) ... [2023-11-21 22:13:42,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2077b42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:13:42, skipping insertion in model container [2023-11-21 22:13:42,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:13:41" (2/3) ... [2023-11-21 22:13:42,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2077b42b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 10:13:42, skipping insertion in model container [2023-11-21 22:13:42,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:13:42" (3/3) ... [2023-11-21 22:13:42,320 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_linked_list_end_harness.i [2023-11-21 22:13:42,341 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-21 22:13:42,342 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-21 22:13:42,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-21 22:13:42,417 INFO L357 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, mHoare=true, 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;@6dabd116, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-21 22:13:42,417 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-21 22:13:42,422 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 25 states have (on average 1.32) internal successors, (33), 26 states have internal predecessors, (33), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-21 22:13:42,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 22:13:42,431 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:42,432 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:42,433 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:42,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:42,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1560832993, now seen corresponding path program 1 times [2023-11-21 22:13:42,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:42,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025444496] [2023-11-21 22:13:42,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:42,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:43,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:13:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:43,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:13:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:43,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-21 22:13:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:43,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-11-21 22:13:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:43,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2023-11-21 22:13:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:43,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2023-11-21 22:13:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:43,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-21 22:13:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:43,706 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 22:13:43,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:43,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025444496] [2023-11-21 22:13:43,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1025444496] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:13:43,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895388519] [2023-11-21 22:13:43,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:43,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:43,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:43,713 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:43,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-21 22:13:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:43,997 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 58 conjunts are in the unsatisfiable core [2023-11-21 22:13:44,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:44,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2023-11-21 22:13:44,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2023-11-21 22:13:44,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 35 [2023-11-21 22:13:44,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 28 [2023-11-21 22:13:47,043 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 22:13:47,045 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:13:47,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895388519] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:13:47,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:13:47,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2023-11-21 22:13:47,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212884440] [2023-11-21 22:13:47,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:13:47,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-21 22:13:47,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:13:47,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-21 22:13:47,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2023-11-21 22:13:47,108 INFO L87 Difference]: Start difference. First operand has 45 states, 25 states have (on average 1.32) internal successors, (33), 26 states have internal predecessors, (33), 13 states have call successors, (13), 5 states have call predecessors, (13), 5 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-21 22:13:48,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:13:48,142 INFO L93 Difference]: Finished difference Result 121 states and 170 transitions. [2023-11-21 22:13:48,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:13:48,145 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 37 [2023-11-21 22:13:48,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-21 22:13:48,155 INFO L225 Difference]: With dead ends: 121 [2023-11-21 22:13:48,155 INFO L226 Difference]: Without dead ends: 79 [2023-11-21 22:13:48,159 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 40 SyntacticMatches, 4 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-11-21 22:13:48,163 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 32 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-21 22:13:48,164 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 339 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-21 22:13:48,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-21 22:13:48,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 77. [2023-11-21 22:13:48,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 43 states have (on average 1.302325581395349) internal successors, (56), 45 states have internal predecessors, (56), 24 states have call successors, (24), 9 states have call predecessors, (24), 9 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-21 22:13:48,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 102 transitions. [2023-11-21 22:13:48,230 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 102 transitions. Word has length 37 [2023-11-21 22:13:48,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-21 22:13:48,231 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 102 transitions. [2023-11-21 22:13:48,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 4 states have call successors, (8), 3 states have call predecessors, (8), 4 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2023-11-21 22:13:48,232 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 102 transitions. [2023-11-21 22:13:48,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 22:13:48,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-21 22:13:48,235 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:13:48,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:13:48,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:48,447 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-21 22:13:48,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:13:48,447 INFO L85 PathProgramCache]: Analyzing trace with hash 908297880, now seen corresponding path program 1 times [2023-11-21 22:13:48,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:13:48,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553672998] [2023-11-21 22:13:48,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:48,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:13:48,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:48,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-21 22:13:48,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:48,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-21 22:13:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:48,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-11-21 22:13:48,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:48,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-21 22:13:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:48,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-21 22:13:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:48,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-11-21 22:13:48,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:48,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2023-11-21 22:13:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:49,006 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-21 22:13:49,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:13:49,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553672998] [2023-11-21 22:13:49,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553672998] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:13:49,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324590168] [2023-11-21 22:13:49,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:13:49,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:13:49,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:13:49,011 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:13:49,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae491586-3345-47e6-9589-f4acf8fcd19f/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-21 22:13:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:13:49,268 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 78 conjunts are in the unsatisfiable core [2023-11-21 22:13:49,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:13:49,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2023-11-21 22:13:49,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 15 [2023-11-21 22:13:49,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 36 [2023-11-21 22:13:49,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 22:13:49,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-21 22:13:49,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 36 [2023-11-21 22:13:49,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 22:13:49,618 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2023-11-21 22:13:49,805 INFO L349 Elim1Store]: treesize reduction 96, result has 23.2 percent of original size [2023-11-21 22:13:49,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 108 treesize of output 75 [2023-11-21 22:13:49,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 22:13:49,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-21 22:13:49,832 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 32 [2023-11-21 22:13:49,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 21 [2023-11-21 22:13:52,394 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 22:13:52,395 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:13:57,586 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (+ |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.offset| 8)) (.cse4 (select |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|)) (.cse1 (+ |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.offset| 24)) (.cse9 (+ |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.offset| 16))) (and (forall ((v_ArrVal_185 Int) (v_ArrVal_189 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| v_ArrVal_189))) (store .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse0 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse1 v_ArrVal_185))) |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.base|) .cse2) 0)) (let ((.cse5 (+ |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.offset| 24))) (or (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (not (= (select (select (let ((.cse3 (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store .cse4 |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|)))) (store .cse3 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse3 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse1 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))) |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.base|) .cse5) 0))) (forall ((v_ArrVal_185 Int) (v_ArrVal_189 (Array Int Int))) (not (= (select (select (let ((.cse6 (store |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| v_ArrVal_189))) (store .cse6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse6 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse1 v_ArrVal_185))) |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.base|) .cse5) 0))))) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (= (select (select (let ((.cse7 (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store .cse4 |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|)))) (store .cse7 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse7 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse1 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))) |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.base|) .cse2) 0)) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (= (select (select (let ((.cse8 (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store .cse4 |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|)))) (store .cse8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse8 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse1 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))) |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.base|) .cse9) 0)) (or (forall ((v_ArrVal_185 Int) (v_ArrVal_189 (Array Int Int))) (not (= (select (select (let ((.cse10 (store |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| v_ArrVal_189))) (store .cse10 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse10 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse1 v_ArrVal_185))) |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.offset|) 0))) (forall ((|ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| Int)) (not (= (select (select (let ((.cse11 (store |c_#memory_$Pointer$#2.base| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| (store .cse4 |ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|)))) (store .cse11 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse11 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse1 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base|))) |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.base|) |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.offset|) 0)))) (forall ((v_ArrVal_185 Int) (v_ArrVal_189 (Array Int Int))) (= 0 (select (select (let ((.cse12 (store |c_#memory_$Pointer$#2.offset| |c_ULTIMATE.start_ensure_linked_list_is_allocated_~curr~0#1.base| v_ArrVal_189))) (store .cse12 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base| (store (select .cse12 |c_ULTIMATE.start_ensure_linked_list_is_allocated_~list#1.base|) .cse1 v_ArrVal_185))) |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.base|) .cse9))) (or (not (= |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.offset| 0)) (not (= |c_ULTIMATE.start_aws_linked_list_end_harness_~#list~0#1.base| 0))))) is different from false [2023-11-21 22:13:57,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-21 22:13:57,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 364 treesize of output 449 [2023-11-21 22:13:59,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 18 [2023-11-21 22:14:08,131 WARN L293 SmtUtils]: Spent 8.49s on a formula simplification. DAG size of input: 227 DAG size of output: 96 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-21 22:14:08,131 INFO L349 Elim1Store]: treesize reduction 489, result has 24.2 percent of original size [2023-11-21 22:14:08,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 8 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 34 case distinctions, treesize of input 484 treesize of output 1089 [2023-11-21 22:14:10,962 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 22:14:10,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-21 22:14:11,222 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 22:14:11,223 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-21 22:14:11,553 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 22:14:11,553 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-21 22:14:11,848 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 22:14:11,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-21 22:14:14,274 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 22:14:14,275 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-21 22:14:14,438 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 22:14:14,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-21 22:14:14,629 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 22:14:14,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-21 22:14:14,930 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 22:14:14,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-21 22:14:17,650 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 22:14:17,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-21 22:14:17,725 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 22:14:17,726 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-21 22:14:17,842 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 22:14:17,843 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-21 22:14:17,935 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-21 22:14:17,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 13 [2023-11-21 22:14:20,790 INFO L349 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2023-11-21 22:14:20,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 272 treesize of output 240