./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/aws-c-common/aws_linked_list_insert_after_harness_negated.i --full-output --preprocessor.use.memory.slicer false --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_insert_after_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 928d47b6be6294395b03a1ef9feb48895d2e89a6cb1ea2b45d0f3034abf69c1c --preprocessor.use.memory.slicer false --- Real Ultimate output --- This is Ultimate 0.2.3-?-abd6749-m [2023-11-23 08:49:16,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 08:49:16,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2023-11-23 08:49:16,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 08:49:16,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 08:49:16,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 08:49:16,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 08:49:16,166 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 08:49:16,167 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 08:49:16,170 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 08:49:16,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 08:49:16,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 08:49:16,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 08:49:16,172 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 08:49:16,172 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 08:49:16,172 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 08:49:16,172 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 08:49:16,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 08:49:16,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 08:49:16,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 08:49:16,173 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 08:49:16,173 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 08:49:16,173 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 08:49:16,174 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 08:49:16,174 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 08:49:16,174 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 08:49:16,174 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 08:49:16,174 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 08:49:16,175 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 08:49:16,175 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 08:49:16,175 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 08:49:16,175 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 08:49:16,175 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 08:49:16,176 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 08:49:16,176 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 08:49:16,176 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 08:49:16,176 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 08:49:16,176 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 08:49:16,176 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 08:49:16,177 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 928d47b6be6294395b03a1ef9feb48895d2e89a6cb1ea2b45d0f3034abf69c1c Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> false [2023-11-23 08:49:16,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 08:49:16,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 08:49:16,360 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 08:49:16,361 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 08:49:16,361 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 08:49:16,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_linked_list_insert_after_harness_negated.i [2023-11-23 08:49:17,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 08:49:17,791 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 08:49:17,792 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_insert_after_harness_negated.i [2023-11-23 08:49:17,819 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ee71802e/7b0f946c36d34182843311cd6ba166d5/FLAGb25501fc3 [2023-11-23 08:49:17,836 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5ee71802e/7b0f946c36d34182843311cd6ba166d5 [2023-11-23 08:49:17,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 08:49:17,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 08:49:17,843 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 08:49:17,843 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 08:49:17,848 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 08:49:17,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:49:17" (1/1) ... [2023-11-23 08:49:17,849 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bf80a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:17, skipping insertion in model container [2023-11-23 08:49:17,849 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:49:17" (1/1) ... [2023-11-23 08:49:17,925 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 08:49:18,123 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_insert_after_harness_negated.i[4502,4515] [2023-11-23 08:49:18,131 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_insert_after_harness_negated.i[4562,4575] [2023-11-23 08:49:18,616 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:18,617 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:18,617 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:18,618 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:18,618 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:18,637 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:18,638 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:18,641 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:18,642 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:18,644 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:18,645 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:18,645 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:18,646 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:18,863 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 08:49:18,864 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 08:49:18,864 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 08:49:18,865 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 08:49:18,866 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 08:49:18,866 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 08:49:18,867 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 08:49:18,867 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 08:49:18,868 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 08:49:18,868 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 08:49:19,026 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 08:49:19,071 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 08:49:19,081 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_insert_after_harness_negated.i[4502,4515] [2023-11-23 08:49:19,081 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_insert_after_harness_negated.i[4562,4575] [2023-11-23 08:49:19,109 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:19,110 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:19,111 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:19,111 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:19,111 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:19,119 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:19,120 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:19,120 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:19,121 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:19,121 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:19,122 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:19,122 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:19,122 WARN L1590 CHandler]: Possible shadowing of function index [2023-11-23 08:49:19,144 WARN L635 FunctionHandler]: implicit declaration of function __atomic_load_n [2023-11-23 08:49:19,145 WARN L635 FunctionHandler]: implicit declaration of function __atomic_store_n [2023-11-23 08:49:19,145 WARN L635 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2023-11-23 08:49:19,146 WARN L635 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2023-11-23 08:49:19,146 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2023-11-23 08:49:19,147 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2023-11-23 08:49:19,147 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2023-11-23 08:49:19,147 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2023-11-23 08:49:19,148 WARN L635 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2023-11-23 08:49:19,148 WARN L635 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2023-11-23 08:49:19,172 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 08:49:19,262 WARN L675 CHandler]: The function __atomic_fetch_or is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,262 WARN L675 CHandler]: The function __atomic_fetch_sub is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,262 WARN L675 CHandler]: The function __atomic_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,263 WARN L675 CHandler]: The function __atomic_fetch_xor is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,263 WARN L675 CHandler]: The function htons is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,263 WARN L675 CHandler]: The function ntohl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,263 WARN L675 CHandler]: The function __atomic_compare_exchange_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,263 WARN L675 CHandler]: The function __atomic_fetch_add is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,263 WARN L675 CHandler]: The function htonl is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,263 WARN L675 CHandler]: The function __atomic_store_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,263 WARN L675 CHandler]: The function ntohs is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,263 WARN L675 CHandler]: The function __atomic_load_n is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,264 WARN L675 CHandler]: The function __atomic_thread_fence is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,264 WARN L675 CHandler]: The function __atomic_fetch_and is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,264 WARN L675 CHandler]: The function aws_array_list_ensure_capacity is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 08:49:19,269 INFO L206 MainTranslator]: Completed translation [2023-11-23 08:49:19,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:19 WrapperNode [2023-11-23 08:49:19,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 08:49:19,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 08:49:19,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 08:49:19,271 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 08:49:19,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:19" (1/1) ... [2023-11-23 08:49:19,324 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:19" (1/1) ... [2023-11-23 08:49:19,399 INFO L138 Inliner]: procedures = 678, calls = 1048, calls flagged for inlining = 50, calls inlined = 4, statements flattened = 76 [2023-11-23 08:49:19,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 08:49:19,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 08:49:19,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 08:49:19,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 08:49:19,408 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:19" (1/1) ... [2023-11-23 08:49:19,408 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:19" (1/1) ... [2023-11-23 08:49:19,414 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:19" (1/1) ... [2023-11-23 08:49:19,414 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:19" (1/1) ... [2023-11-23 08:49:19,430 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:19" (1/1) ... [2023-11-23 08:49:19,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:19" (1/1) ... [2023-11-23 08:49:19,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:19" (1/1) ... [2023-11-23 08:49:19,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:19" (1/1) ... [2023-11-23 08:49:19,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 08:49:19,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 08:49:19,450 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 08:49:19,450 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 08:49:19,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:19" (1/1) ... [2023-11-23 08:49:19,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 08:49:19,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-23 08:49:19,480 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 08:49:19,486 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 08:49:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 08:49:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 08:49:19,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 08:49:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_next_is_valid [2023-11-23 08:49:19,514 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_next_is_valid [2023-11-23 08:49:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 08:49:19,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-23 08:49:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 08:49:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 08:49:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 08:49:19,515 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 08:49:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 08:49:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-23 08:49:19,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-23 08:49:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure aws_linked_list_node_prev_is_valid [2023-11-23 08:49:19,516 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_linked_list_node_prev_is_valid [2023-11-23 08:49:19,516 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 08:49:19,705 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 08:49:19,706 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 08:49:19,873 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 08:49:19,905 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 08:49:19,905 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 08:49:19,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:49:19 BoogieIcfgContainer [2023-11-23 08:49:19,905 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 08:49:19,907 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 08:49:19,907 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 08:49:19,911 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 08:49:19,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:49:17" (1/3) ... [2023-11-23 08:49:19,912 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8fff32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:49:19, skipping insertion in model container [2023-11-23 08:49:19,912 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:49:19" (2/3) ... [2023-11-23 08:49:19,913 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8fff32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:49:19, skipping insertion in model container [2023-11-23 08:49:19,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:49:19" (3/3) ... [2023-11-23 08:49:19,914 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_linked_list_insert_after_harness_negated.i [2023-11-23 08:49:19,927 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 08:49:19,927 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 08:49:19,965 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 08:49:19,976 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;@4cfe2db7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 08:49:19,976 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 08:49:19,980 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 31 states have internal predecessors, (37), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 08:49:19,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 08:49:19,987 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:49:19,988 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 08:49:19,988 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:49:19,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:49:19,993 INFO L85 PathProgramCache]: Analyzing trace with hash 469165241, now seen corresponding path program 1 times [2023-11-23 08:49:20,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:49:20,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531259501] [2023-11-23 08:49:20,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:49:20,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:49:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:49:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-11-23 08:49:20,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:49:20,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2023-11-23 08:49:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:49:20,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-23 08:49:20,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:49:20,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-23 08:49:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 08:49:20,366 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-23 08:49:20,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 08:49:20,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531259501] [2023-11-23 08:49:20,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531259501] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 08:49:20,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 08:49:20,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 08:49:20,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898096384] [2023-11-23 08:49:20,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 08:49:20,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 08:49:20,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 08:49:20,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 08:49:20,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 08:49:20,399 INFO L87 Difference]: Start difference. First operand has 56 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 31 states have internal predecessors, (37), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 08:49:20,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 08:49:20,446 INFO L93 Difference]: Finished difference Result 109 states and 161 transitions. [2023-11-23 08:49:20,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 08:49:20,448 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 31 [2023-11-23 08:49:20,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 08:49:20,455 INFO L225 Difference]: With dead ends: 109 [2023-11-23 08:49:20,455 INFO L226 Difference]: Without dead ends: 54 [2023-11-23 08:49:20,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 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 08:49:20,461 INFO L413 NwaCegarLoop]: 70 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, 70 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 08:49:20,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 70 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 08:49:20,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-23 08:49:20,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2023-11-23 08:49:20,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 30 states have internal predecessors, (34), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-23 08:49:20,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 73 transitions. [2023-11-23 08:49:20,497 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 73 transitions. Word has length 31 [2023-11-23 08:49:20,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 08:49:20,498 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 73 transitions. [2023-11-23 08:49:20,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2023-11-23 08:49:20,498 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 73 transitions. [2023-11-23 08:49:20,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 08:49:20,499 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 08:49:20,500 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 08:49:20,500 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 08:49:20,500 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 08:49:20,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 08:49:20,501 INFO L85 PathProgramCache]: Analyzing trace with hash -387996611, now seen corresponding path program 1 times [2023-11-23 08:49:20,501 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 08:49:20,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435851632] [2023-11-23 08:49:20,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 08:49:20,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 08:49:20,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 08:49:20,642 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 08:49:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 08:49:20,792 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 08:49:20,792 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 08:49:20,794 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 08:49:20,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 08:49:20,798 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-23 08:49:20,801 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 08:49:20,824 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 08:49:20,826 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 08:49:20,827 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem312 [2023-11-23 08:49:20,827 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem313 [2023-11-23 08:49:20,827 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 08:49:20,827 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 08:49:20,828 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated [2023-11-23 08:49:20,828 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret346 could not be translated [2023-11-23 08:49:20,829 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret346 could not be translated [2023-11-23 08:49:20,830 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 08:49:20,830 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 08:49:20,830 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem313 [2023-11-23 08:49:20,830 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem312 [2023-11-23 08:49:20,831 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 08:49:20,831 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 08:49:20,831 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated [2023-11-23 08:49:20,831 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret349 could not be translated [2023-11-23 08:49:20,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:49:20 BoogieIcfgContainer [2023-11-23 08:49:20,844 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 08:49:20,845 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 08:49:20,845 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 08:49:20,845 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 08:49:20,846 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:49:19" (3/4) ... [2023-11-23 08:49:20,847 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-23 08:49:20,857 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 08:49:20,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 08:49:20,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 08:49:20,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 08:49:20,858 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem312 [2023-11-23 08:49:20,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem313 [2023-11-23 08:49:20,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated [2023-11-23 08:49:20,859 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret346 could not be translated [2023-11-23 08:49:20,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret346 could not be translated [2023-11-23 08:49:20,860 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 08:49:20,861 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 08:49:20,862 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem310 [2023-11-23 08:49:20,862 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem313 [2023-11-23 08:49:20,862 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short311 could not be translated [2023-11-23 08:49:20,862 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~mem312 [2023-11-23 08:49:20,863 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short314 could not be translated [2023-11-23 08:49:20,863 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret349 could not be translated [2023-11-23 08:49:20,901 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-11-23 08:49:20,901 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 08:49:20,902 INFO L158 Benchmark]: Toolchain (without parser) took 3061.40ms. Allocated memory is still 192.9MB. Free memory was 116.2MB in the beginning and 102.4MB in the end (delta: 13.9MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-11-23 08:49:20,902 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 78.2MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 08:49:20,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1427.62ms. Allocated memory is still 192.9MB. Free memory was 116.2MB in the beginning and 71.9MB in the end (delta: 44.4MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. [2023-11-23 08:49:20,903 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.06ms. Allocated memory is still 192.9MB. Free memory was 71.9MB in the beginning and 154.0MB in the end (delta: -82.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-23 08:49:20,903 INFO L158 Benchmark]: Boogie Preprocessor took 49.02ms. Allocated memory is still 192.9MB. Free memory was 154.0MB in the beginning and 150.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 08:49:20,903 INFO L158 Benchmark]: RCFGBuilder took 455.66ms. Allocated memory is still 192.9MB. Free memory was 150.9MB in the beginning and 125.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-23 08:49:20,903 INFO L158 Benchmark]: TraceAbstraction took 937.54ms. Allocated memory is still 192.9MB. Free memory was 125.7MB in the beginning and 105.5MB in the end (delta: 20.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-23 08:49:20,903 INFO L158 Benchmark]: Witness Printer took 56.31ms. Allocated memory is still 192.9MB. Free memory was 105.5MB in the beginning and 102.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 08:49:20,905 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 78.2MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1427.62ms. Allocated memory is still 192.9MB. Free memory was 116.2MB in the beginning and 71.9MB in the end (delta: 44.4MB). Peak memory consumption was 59.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.06ms. Allocated memory is still 192.9MB. Free memory was 71.9MB in the beginning and 154.0MB in the end (delta: -82.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.02ms. Allocated memory is still 192.9MB. Free memory was 154.0MB in the beginning and 150.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 455.66ms. Allocated memory is still 192.9MB. Free memory was 150.9MB in the beginning and 125.7MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 937.54ms. Allocated memory is still 192.9MB. Free memory was 125.7MB in the beginning and 105.5MB in the end (delta: 20.2MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Witness Printer took 56.31ms. Allocated memory is still 192.9MB. Free memory was 105.5MB in the beginning and 102.4MB in the end (delta: 3.1MB). 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: 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~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~ret346 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret346 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~mem313 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~mem312 - 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~ret349 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - 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~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~ret346 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret346 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: unknown boogie variable #t~mem313 - 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~short314 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret349 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, }; [L7328] static __thread int tl_last_error = 0; [L7365] CALL aws_linked_list_insert_after_harness() [L7346] struct aws_linked_list_node after; [L7347] struct aws_linked_list_node after_next; [L7348] struct aws_linked_list_node to_add; [L7350] after.next = &after_next [L7351] after_next.prev = &after [L7354] CALL aws_linked_list_insert_after(&after, &to_add) [L4863] CALL, EXPR aws_linked_list_node_next_is_valid(after) VAL [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 [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; [L4863] RET, EXPR aws_linked_list_node_next_is_valid(after) VAL [after={7:0}, after={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0, to_add={6:0}, to_add={6:0}] [L4863] CALL assume_abort_if_not((aws_linked_list_node_next_is_valid(after))) 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] [L4863] RET assume_abort_if_not((aws_linked_list_node_next_is_valid(after))) VAL [after={7:0}, after={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0, to_add={6:0}, to_add={6:0}] [L4864-L4866] CALL assume_abort_if_not((to_add != ((void *)0) )) 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] [L4864-L4866] RET assume_abort_if_not((to_add != ((void *)0) )) VAL [after={7:0}, after={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0, to_add={6:0}, to_add={6:0}] [L4867] to_add->prev = after [L4868] EXPR after->next [L4868] to_add->next = after->next [L4869] EXPR after->next [L4869] after->next->prev = to_add [L4870] after->next = to_add VAL [after={7:0}, after={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0, to_add={6:0}, to_add={6:0}] [L4871] CALL, EXPR aws_linked_list_node_next_is_valid(after) VAL [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 [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; [L4871] RET, EXPR aws_linked_list_node_next_is_valid(after) VAL [after={7:0}, after={7:0}, s_can_fail_allocator_static={4:0}, tl_last_error=0, to_add={6:0}, to_add={6:0}] [L4871] CALL __VERIFIER_assert(!((aws_linked_list_node_next_is_valid(after)))) 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, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 70 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, 70 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred 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, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 62 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 10/10 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 08:49:20,939 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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