./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_linked_list_next_harness_negated.i --full-output --preprocessor.use.memory.slicer true --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version abd6749d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/aws-c-common/aws_linked_list_next_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 00ec05a25160d25197cac7f53dac55ccf03fc65cedd95c88bf0c5d8d545dbe6e --preprocessor.use.memory.slicer true --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 07:28:05,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 07:28:05,637 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 07:28:05,640 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 07:28:05,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 07:28:05,679 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 07:28:05,680 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 07:28:05,680 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 07:28:05,681 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 07:28:05,685 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 07:28:05,685 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 07:28:05,685 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 07:28:05,686 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 07:28:05,687 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 07:28:05,688 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 07:28:05,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 07:28:05,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 07:28:05,688 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 07:28:05,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 07:28:05,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 07:28:05,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 07:28:05,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 07:28:05,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 07:28:05,690 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 07:28:05,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 07:28:05,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 07:28:05,691 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 07:28:05,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 07:28:05,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 07:28:05,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 07:28:05,693 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 07:28:05,693 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 07:28:05,693 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 07:28:05,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 07:28:05,694 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 07:28:05,694 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 07:28:05,694 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 07:28:05,694 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 07:28:05,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 07:28:05,695 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00ec05a25160d25197cac7f53dac55ccf03fc65cedd95c88bf0c5d8d545dbe6e Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true [2023-11-23 07:28:06,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 07:28:06,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 07:28:06,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 07:28:06,097 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 07:28:06,098 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 07:28:06,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_linked_list_next_harness_negated.i [2023-11-23 07:28:07,976 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 07:28:08,384 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 07:28:08,384 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_next_harness_negated.i [2023-11-23 07:28:08,415 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60184e78e/f314c21b8a3e4eb99a0a14ed29c426dc/FLAGf45875076 [2023-11-23 07:28:08,430 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/60184e78e/f314c21b8a3e4eb99a0a14ed29c426dc [2023-11-23 07:28:08,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 07:28:08,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 07:28:08,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 07:28:08,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 07:28:08,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 07:28:08,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:28:08" (1/1) ... [2023-11-23 07:28:08,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24d62350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:08, skipping insertion in model container [2023-11-23 07:28:08,445 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:28:08" (1/1) ... [2023-11-23 07:28:08,553 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 07:28:08,793 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_next_harness_negated.i[4494,4507] [2023-11-23 07:28:08,801 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_next_harness_negated.i[4554,4567] [2023-11-23 07:28:09,362 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,368 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,369 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,370 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,371 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,395 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,396 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,398 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,399 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,400 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,401 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,402 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,402 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,619 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 07:28:09,620 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 07:28:09,622 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 07:28:09,624 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 07:28:09,626 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 07:28:09,627 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 07:28:09,627 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 07:28:09,628 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 07:28:09,629 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 07:28:09,629 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 07:28:09,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 07:28:09,778 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 07:28:09,799 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_next_harness_negated.i[4494,4507] [2023-11-23 07:28:09,800 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_next_harness_negated.i[4554,4567] [2023-11-23 07:28:09,858 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,860 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,863 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,866 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,866 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,880 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,885 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,886 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,886 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,887 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,888 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,888 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,888 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 07:28:09,927 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 07:28:09,928 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 07:28:09,929 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 07:28:09,929 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 07:28:09,935 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 07:28:09,935 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 07:28:09,936 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 07:28:09,937 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 07:28:09,938 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 07:28:09,938 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 07:28:09,977 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 07:28:10,131 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,131 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,131 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,132 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,132 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,141 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,147 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,148 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,148 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,148 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,149 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,149 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,150 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,150 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,150 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 07:28:10,166 INFO L206 MainTranslator]: Completed translation [2023-11-23 07:28:10,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10 WrapperNode [2023-11-23 07:28:10,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 07:28:10,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 07:28:10,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 07:28:10,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 07:28:10,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10" (1/1) ... [2023-11-23 07:28:10,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10" (1/1) ... [2023-11-23 07:28:10,299 INFO L138 Inliner]: procedures = 678, calls = 1039, calls flagged for inlining = 50, calls inlined = 4, statements flattened = 56 [2023-11-23 07:28:10,301 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 07:28:10,301 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 07:28:10,307 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 07:28:10,307 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 07:28:10,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10" (1/1) ... [2023-11-23 07:28:10,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10" (1/1) ... [2023-11-23 07:28:10,322 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10" (1/1) ... [2023-11-23 07:28:10,351 INFO L188 MemorySlicer]: Split 17 memory accesses to 4 slices as follows [2, 5, 6, 4]. 35 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 5, 0, 0]. The 2 writes are split as follows [0, 0, 1, 1]. [2023-11-23 07:28:10,352 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10" (1/1) ... [2023-11-23 07:28:10,352 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10" (1/1) ... [2023-11-23 07:28:10,363 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10" (1/1) ... [2023-11-23 07:28:10,377 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10" (1/1) ... [2023-11-23 07:28:10,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10" (1/1) ... [2023-11-23 07:28:10,385 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10" (1/1) ... [2023-11-23 07:28:10,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 07:28:10,395 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 07:28:10,395 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 07:28:10,395 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 07:28:10,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10" (1/1) ... [2023-11-23 07:28:10,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 07:28:10,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 07:28:10,425 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 07:28:10,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 07:28:10,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 07:28:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 07:28:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 07:28:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2023-11-23 07:28:10,478 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2023-11-23 07:28:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 07:28:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-23 07:28:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-23 07:28:10,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2023-11-23 07:28:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2023-11-23 07:28:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 07:28:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 07:28:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 07:28:10,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 07:28:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 07:28:10,479 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-23 07:28:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-23 07:28:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2023-11-23 07:28:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2023-11-23 07:28:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2023-11-23 07:28:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2023-11-23 07:28:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2023-11-23 07:28:10,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2023-11-23 07:28:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2023-11-23 07:28:10,481 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2023-11-23 07:28:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 07:28:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-23 07:28:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-23 07:28:10,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2023-11-23 07:28:10,749 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 07:28:10,751 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 07:28:10,927 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 07:28:10,968 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 07:28:10,968 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 07:28:10,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:28:10 BoogieIcfgContainer [2023-11-23 07:28:10,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 07:28:10,973 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 07:28:10,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 07:28:10,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 07:28:10,977 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:28:08" (1/3) ... [2023-11-23 07:28:10,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c65ce4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:28:10, skipping insertion in model container [2023-11-23 07:28:10,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:28:10" (2/3) ... [2023-11-23 07:28:10,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c65ce4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:28:10, skipping insertion in model container [2023-11-23 07:28:10,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:28:10" (3/3) ... [2023-11-23 07:28:10,982 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_linked_list_next_harness_negated.i [2023-11-23 07:28:10,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 07:28:10,994 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 07:28:11,035 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 07:28:11,046 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;@365e9171, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 07:28:11,046 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 07:28:11,051 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 07:28:11,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 07:28:11,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:28:11,059 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 07:28:11,059 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:28:11,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:28:11,066 INFO L85 PathProgramCache]: Analyzing trace with hash 2038817846, now seen corresponding path program 1 times [2023-11-23 07:28:11,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:28:11,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049107710] [2023-11-23 07:28:11,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:28:11,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:28:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:28:11,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 07:28:11,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:28:11,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 07:28:11,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:28:11,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 07:28:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 07:28:11,578 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 07:28:11,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 07:28:11,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049107710] [2023-11-23 07:28:11,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049107710] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 07:28:11,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 07:28:11,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 07:28:11,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692142462] [2023-11-23 07:28:11,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 07:28:11,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 07:28:11,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 07:28:11,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 07:28:11,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 07:28:11,610 INFO L87 Difference]: Start difference. First operand has 43 states, 25 states have (on average 1.28) internal successors, (32), 26 states have internal predecessors, (32), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 07:28:11,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 07:28:11,651 INFO L93 Difference]: Finished difference Result 81 states and 111 transitions. [2023-11-23 07:28:11,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 07:28:11,653 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 25 [2023-11-23 07:28:11,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 07:28:11,661 INFO L225 Difference]: With dead ends: 81 [2023-11-23 07:28:11,663 INFO L226 Difference]: Without dead ends: 41 [2023-11-23 07:28:11,667 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 07:28:11,671 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 07:28:11,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 49 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 07:28:11,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2023-11-23 07:28:11,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2023-11-23 07:28:11,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 25 states have internal predecessors, (29), 12 states have call successors, (12), 4 states have call predecessors, (12), 4 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 07:28:11,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2023-11-23 07:28:11,713 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 25 [2023-11-23 07:28:11,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 07:28:11,720 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2023-11-23 07:28:11,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 07:28:11,723 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2023-11-23 07:28:11,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 07:28:11,725 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 07:28:11,725 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 07:28:11,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 07:28:11,725 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 07:28:11,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 07:28:11,729 INFO L85 PathProgramCache]: Analyzing trace with hash 758954168, now seen corresponding path program 1 times [2023-11-23 07:28:11,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 07:28:11,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [870941096] [2023-11-23 07:28:11,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 07:28:11,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 07:28:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 07:28:11,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 07:28:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 07:28:11,959 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 07:28:11,960 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 07:28:11,961 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 07:28:11,963 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 07:28:11,966 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 07:28:11,969 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 07:28:11,990 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:11,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:11,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 07:28:11,992 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 07:28:11,993 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated [2023-11-23 07:28:11,993 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:11,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem312 [2023-11-23 07:28:11,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem313 [2023-11-23 07:28:11,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated [2023-11-23 07:28:11,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:11,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 07:28:11,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret336 could not be translated [2023-11-23 07:28:11,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret336 could not be translated [2023-11-23 07:28:11,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:11,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 07:28:11,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:11,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated [2023-11-23 07:28:11,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:11,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 07:28:11,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated [2023-11-23 07:28:11,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 07:28:11,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:11,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem312 [2023-11-23 07:28:11,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem313 [2023-11-23 07:28:11,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret338 could not be translated [2023-11-23 07:28:12,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:28:12 BoogieIcfgContainer [2023-11-23 07:28:12,006 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 07:28:12,007 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 07:28:12,007 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 07:28:12,007 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 07:28:12,007 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:28:10" (3/4) ... [2023-11-23 07:28:12,008 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 07:28:12,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:12,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 07:28:12,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:12,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 07:28:12,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated [2023-11-23 07:28:12,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:12,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem312 [2023-11-23 07:28:12,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 07:28:12,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated [2023-11-23 07:28:12,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem313 [2023-11-23 07:28:12,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:12,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret336 could not be translated [2023-11-23 07:28:12,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret336 could not be translated [2023-11-23 07:28:12,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:12,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:12,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 07:28:12,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated [2023-11-23 07:28:12,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 07:28:12,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:12,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 07:28:12,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem313 [2023-11-23 07:28:12,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated [2023-11-23 07:28:12,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 07:28:12,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem312 [2023-11-23 07:28:12,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret338 could not be translated [2023-11-23 07:28:12,052 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-11-23 07:28:12,052 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 07:28:12,053 INFO L158 Benchmark]: Toolchain (without parser) took 3618.05ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 76.0MB in the beginning and 127.3MB in the end (delta: -51.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-23 07:28:12,053 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 119.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 07:28:12,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1731.31ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 76.0MB in the beginning and 139.0MB in the end (delta: -63.0MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2023-11-23 07:28:12,054 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.73ms. Allocated memory is still 220.2MB. Free memory was 139.0MB in the beginning and 132.6MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-23 07:28:12,054 INFO L158 Benchmark]: Boogie Preprocessor took 92.82ms. Allocated memory is still 220.2MB. Free memory was 132.6MB in the beginning and 128.5MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 07:28:12,054 INFO L158 Benchmark]: RCFGBuilder took 575.69ms. Allocated memory is still 220.2MB. Free memory was 128.5MB in the beginning and 105.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-11-23 07:28:12,055 INFO L158 Benchmark]: TraceAbstraction took 1032.81ms. Allocated memory is still 220.2MB. Free memory was 105.4MB in the beginning and 131.4MB in the end (delta: -26.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 07:28:12,055 INFO L158 Benchmark]: Witness Printer took 45.53ms. Allocated memory is still 220.2MB. Free memory was 131.4MB in the beginning and 127.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 07:28:12,057 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 155.2MB. Free memory is still 119.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1731.31ms. Allocated memory was 155.2MB in the beginning and 220.2MB in the end (delta: 65.0MB). Free memory was 76.0MB in the beginning and 139.0MB in the end (delta: -63.0MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.73ms. Allocated memory is still 220.2MB. Free memory was 139.0MB in the beginning and 132.6MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.82ms. Allocated memory is still 220.2MB. Free memory was 132.6MB in the beginning and 128.5MB in the end (delta: 4.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 575.69ms. Allocated memory is still 220.2MB. Free memory was 128.5MB in the beginning and 105.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1032.81ms. Allocated memory is still 220.2MB. Free memory was 105.4MB in the beginning and 131.4MB in the end (delta: -26.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 45.53ms. Allocated memory is still 220.2MB. Free memory was 131.4MB in the beginning and 127.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem312 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem313 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret336 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret336 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem312 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem313 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret338 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem312 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem313 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret336 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret336 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem310 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem313 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem312 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret338 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 223]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L6903-L6908] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6903-L6908] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6903-L6908] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6903-L6908] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6903-L6908] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L6903-L6908] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7328] static __thread int tl_last_error = 0; [L7361] CALL aws_linked_list_next_harness() [L7346] struct aws_linked_list_node node; [L7347] struct aws_linked_list_node after; [L7350] node.next = &after [L7351] after.prev = &node [L7354] CALL aws_linked_list_next(&node) [L4837] CALL, EXPR aws_linked_list_node_next_is_valid(node) VAL [node={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next VAL [node={7:0}, node={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next [L4720] EXPR node->next [L4720] EXPR node && node->next VAL [node={7:0}, node={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next && node->next->prev == node VAL [node={7:0}, node={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next && node->next->prev == node [L4720] EXPR node->next [L4720] EXPR node->next->prev [L4720] EXPR node && node->next && node->next->prev == node VAL [node={7:0}, node={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] return node && node->next && node->next->prev == node; [L4837] RET, EXPR aws_linked_list_node_next_is_valid(node) VAL [node={7:0}, node={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4837] CALL assume_abort_if_not((aws_linked_list_node_next_is_valid(node))) VAL [\old(cond)=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L211] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4837] RET assume_abort_if_not((aws_linked_list_node_next_is_valid(node))) VAL [node={7:0}, node={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4838] EXPR node->next [L4838] struct aws_linked_list_node *rval = node->next; [L4839] CALL, EXPR aws_linked_list_node_next_is_valid(node) VAL [node={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next VAL [node={7:0}, node={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next [L4720] EXPR node->next [L4720] EXPR node && node->next VAL [node={7:0}, node={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next && node->next->prev == node VAL [node={7:0}, node={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] EXPR node && node->next && node->next->prev == node [L4720] EXPR node->next [L4720] EXPR node->next->prev [L4720] EXPR node && node->next && node->next->prev == node VAL [node={7:0}, node={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4720] return node && node->next && node->next->prev == node; [L4839] RET, EXPR aws_linked_list_node_next_is_valid(node) VAL [node={7:0}, node={7:0}, rval={6:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L4839] CALL __VERIFIER_assert(!((aws_linked_list_node_next_is_valid(node)))) VAL [\old(cond)=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L223] COND TRUE !cond VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] [L223] reach_error() VAL [\old(cond)=0, cond=0, s_can_fail_allocator_static={4:0}, tl_last_error=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 49 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2023-11-23 07:28:12,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE