./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.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 5218740bc18d67a03fb6ada79d678262e4837698e28e927d44dbd2d60e2f84aa --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:01:32,073 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:01:32,150 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:01:32,154 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:01:32,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:01:32,187 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:01:32,188 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:01:32,188 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:01:32,189 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:01:32,190 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:01:32,190 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:01:32,191 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:01:32,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:01:32,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:01:32,194 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:01:32,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:01:32,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:01:32,195 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:01:32,195 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:01:32,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:01:32,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:01:32,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:01:32,199 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:01:32,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:01:32,199 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:01:32,199 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:01:32,200 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:01:32,200 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:01:32,201 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:01:32,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:01:32,201 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:01:32,202 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:01:32,202 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:01:32,202 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:01:32,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:01:32,203 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:01:32,203 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:01:32,203 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:01:32,204 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:01:32,204 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5218740bc18d67a03fb6ada79d678262e4837698e28e927d44dbd2d60e2f84aa [2024-11-19 02:01:32,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:01:32,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:01:32,472 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:01:32,474 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:01:32,474 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:01:32,475 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2024-11-19 02:01:33,966 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:01:34,382 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:01:34,384 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i [2024-11-19 02:01:34,427 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec60039a5/135c6564e3064d59b4e47f92bd4ba91a/FLAGa85d39de2 [2024-11-19 02:01:34,440 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec60039a5/135c6564e3064d59b4e47f92bd4ba91a [2024-11-19 02:01:34,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:01:34,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:01:34,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:01:34,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:01:34,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:01:34,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:01:34" (1/1) ... [2024-11-19 02:01:34,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@87b7797 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:34, skipping insertion in model container [2024-11-19 02:01:34,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:01:34" (1/1) ... [2024-11-19 02:01:34,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:01:34,839 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2024-11-19 02:01:34,850 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2024-11-19 02:01:35,512 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,513 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,531 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,533 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,537 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,906 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:35,932 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:01:35,950 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:01:35,971 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4500,4513] [2024-11-19 02:01:35,971 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_init_static_harness.i[4560,4573] [2024-11-19 02:01:36,036 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,036 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,037 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,037 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,038 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,044 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,045 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,046 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,047 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,048 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,049 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,140 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,148 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:01:36,157 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:01:36,348 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:01:36,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36 WrapperNode [2024-11-19 02:01:36,350 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:01:36,351 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:01:36,351 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:01:36,351 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:01:36,358 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36" (1/1) ... [2024-11-19 02:01:36,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36" (1/1) ... [2024-11-19 02:01:36,526 INFO L138 Inliner]: procedures = 670, calls = 1248, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 162 [2024-11-19 02:01:36,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:01:36,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:01:36,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:01:36,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:01:36,541 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36" (1/1) ... [2024-11-19 02:01:36,541 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36" (1/1) ... [2024-11-19 02:01:36,550 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36" (1/1) ... [2024-11-19 02:01:36,589 INFO L175 MemorySlicer]: Split 45 memory accesses to 5 slices as follows [2, 6, 5, 4, 28]. 62 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 5, 0, 6]. The 7 writes are split as follows [0, 2, 0, 0, 5]. [2024-11-19 02:01:36,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36" (1/1) ... [2024-11-19 02:01:36,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36" (1/1) ... [2024-11-19 02:01:36,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36" (1/1) ... [2024-11-19 02:01:36,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36" (1/1) ... [2024-11-19 02:01:36,629 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36" (1/1) ... [2024-11-19 02:01:36,636 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36" (1/1) ... [2024-11-19 02:01:36,649 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:01:36,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:01:36,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:01:36,654 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:01:36,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36" (1/1) ... [2024-11-19 02:01:36,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:01:36,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:01:36,691 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 02:01:36,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 02:01:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:01:36,746 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-19 02:01:36,746 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-19 02:01:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:01:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:01:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:01:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:01:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:01:36,747 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:01:36,747 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:01:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:01:36,748 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:01:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:01:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:01:36,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:01:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:01:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:01:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:01:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:01:36,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:01:36,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:01:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:01:36,750 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:01:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:01:36,750 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:01:36,750 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:01:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:01:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-19 02:01:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-19 02:01:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:01:36,751 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:01:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:01:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:01:36,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:01:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:01:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:01:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:01:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:01:36,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:01:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:01:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:01:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:01:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-19 02:01:36,753 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-19 02:01:36,753 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-19 02:01:36,754 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-19 02:01:36,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:01:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:01:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:01:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:01:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:01:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:01:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:01:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:01:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:01:36,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:01:37,039 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:01:37,042 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:01:37,430 INFO L? ?]: Removed 96 outVars from TransFormulas that were not future-live. [2024-11-19 02:01:37,430 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:01:37,444 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:01:37,444 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 02:01:37,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:01:37 BoogieIcfgContainer [2024-11-19 02:01:37,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:01:37,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:01:37,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:01:37,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:01:37,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:01:34" (1/3) ... [2024-11-19 02:01:37,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346cb85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:01:37, skipping insertion in model container [2024-11-19 02:01:37,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:01:36" (2/3) ... [2024-11-19 02:01:37,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@346cb85a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:01:37, skipping insertion in model container [2024-11-19 02:01:37,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:01:37" (3/3) ... [2024-11-19 02:01:37,452 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_init_static_harness.i [2024-11-19 02:01:37,466 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:01:37,466 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:01:37,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:01:37,535 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3c4d0ed2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:01:37,535 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:01:37,540 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 68 states have (on average 1.161764705882353) internal successors, (79), 69 states have internal predecessors, (79), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-19 02:01:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2024-11-19 02:01:37,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:01:37,554 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:01:37,555 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:01:37,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:01:37,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1380798734, now seen corresponding path program 1 times [2024-11-19 02:01:37,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:01:37,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355778179] [2024-11-19 02:01:37,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:01:37,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:01:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:01:38,630 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2024-11-19 02:01:38,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:01:38,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355778179] [2024-11-19 02:01:38,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355778179] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:01:38,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:01:38,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 02:01:38,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080133560] [2024-11-19 02:01:38,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:01:38,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 02:01:38,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:01:38,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 02:01:38,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 02:01:38,678 INFO L87 Difference]: Start difference. First operand has 113 states, 68 states have (on average 1.161764705882353) internal successors, (79), 69 states have internal predecessors, (79), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-19 02:01:38,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:01:38,893 INFO L93 Difference]: Finished difference Result 221 states and 305 transitions. [2024-11-19 02:01:38,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 02:01:38,898 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) Word has length 99 [2024-11-19 02:01:38,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:01:38,911 INFO L225 Difference]: With dead ends: 221 [2024-11-19 02:01:38,912 INFO L226 Difference]: Without dead ends: 105 [2024-11-19 02:01:38,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 02:01:38,922 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 31 mSDsluCounter, 436 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 02:01:38,923 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 563 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 02:01:38,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-19 02:01:38,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-19 02:01:38,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 62 states have (on average 1.1129032258064515) internal successors, (69), 63 states have internal predecessors, (69), 33 states have call successors, (33), 10 states have call predecessors, (33), 9 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-19 02:01:38,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 133 transitions. [2024-11-19 02:01:38,977 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 133 transitions. Word has length 99 [2024-11-19 02:01:38,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:01:38,981 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 133 transitions. [2024-11-19 02:01:38,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.333333333333333) internal successors, (32), 6 states have internal predecessors, (32), 4 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (16), 4 states have call predecessors, (16), 3 states have call successors, (16) [2024-11-19 02:01:38,981 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 133 transitions. [2024-11-19 02:01:38,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-19 02:01:38,989 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:01:38,989 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:01:38,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 02:01:38,990 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:01:38,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:01:38,993 INFO L85 PathProgramCache]: Analyzing trace with hash 254287568, now seen corresponding path program 1 times [2024-11-19 02:01:38,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:01:38,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1859705016] [2024-11-19 02:01:38,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:01:38,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:01:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:01:42,479 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-11-19 02:01:42,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:01:42,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1859705016] [2024-11-19 02:01:42,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1859705016] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:01:42,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:01:42,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2024-11-19 02:01:42,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610881628] [2024-11-19 02:01:42,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:01:42,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-19 02:01:42,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:01:42,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-19 02:01:42,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2024-11-19 02:01:42,484 INFO L87 Difference]: Start difference. First operand 105 states and 133 transitions. Second operand has 21 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 18 states have internal predecessors, (41), 9 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (18), 9 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-19 02:01:44,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:01:44,311 INFO L93 Difference]: Finished difference Result 190 states and 238 transitions. [2024-11-19 02:01:44,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 02:01:44,311 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 18 states have internal predecessors, (41), 9 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (18), 9 states have call predecessors, (18), 8 states have call successors, (18) Word has length 114 [2024-11-19 02:01:44,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:01:44,315 INFO L225 Difference]: With dead ends: 190 [2024-11-19 02:01:44,315 INFO L226 Difference]: Without dead ends: 123 [2024-11-19 02:01:44,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 224 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=166, Invalid=1166, Unknown=0, NotChecked=0, Total=1332 [2024-11-19 02:01:44,318 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 149 mSDsluCounter, 401 mSDsCounter, 0 mSdLazyCounter, 1538 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 472 SdHoareTripleChecker+Invalid, 1670 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 1538 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-19 02:01:44,318 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 472 Invalid, 1670 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 1538 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-19 02:01:44,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-19 02:01:44,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 108. [2024-11-19 02:01:44,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 64 states have (on average 1.109375) internal successors, (71), 66 states have internal predecessors, (71), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (32), 31 states have call predecessors, (32), 31 states have call successors, (32) [2024-11-19 02:01:44,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 136 transitions. [2024-11-19 02:01:44,338 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 136 transitions. Word has length 114 [2024-11-19 02:01:44,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:01:44,338 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 136 transitions. [2024-11-19 02:01:44,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 19 states have (on average 2.1578947368421053) internal successors, (41), 18 states have internal predecessors, (41), 9 states have call successors, (19), 5 states have call predecessors, (19), 4 states have return successors, (18), 9 states have call predecessors, (18), 8 states have call successors, (18) [2024-11-19 02:01:44,339 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 136 transitions. [2024-11-19 02:01:44,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-19 02:01:44,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:01:44,342 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:01:44,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 02:01:44,342 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:01:44,343 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:01:44,343 INFO L85 PathProgramCache]: Analyzing trace with hash -303983254, now seen corresponding path program 1 times [2024-11-19 02:01:44,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:01:44,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482472823] [2024-11-19 02:01:44,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:01:44,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:01:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-19 02:01:44,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1384753813] [2024-11-19 02:01:44,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:01:44,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:01:44,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:01:44,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:01:44,594 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 02:01:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:01:44,999 INFO L255 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 145 conjuncts are in the unsatisfiable core [2024-11-19 02:01:45,019 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:01:45,076 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-11-19 02:01:45,276 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-19 02:01:45,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-19 02:01:45,818 WARN L873 $PredicateComparison]: unable to prove that (exists ((|bounded_malloc_#res.base| Int)) (= |c_#valid| (store |c_old(#valid)| |bounded_malloc_#res.base| 1))) is different from true [2024-11-19 02:01:45,853 INFO L349 Elim1Store]: treesize reduction 36, result has 23.4 percent of original size [2024-11-19 02:01:45,853 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 17 treesize of output 22 [2024-11-19 02:01:45,956 INFO L349 Elim1Store]: treesize reduction 48, result has 28.4 percent of original size [2024-11-19 02:01:45,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 24 treesize of output 28 [2024-11-19 02:01:46,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 9 [2024-11-19 02:02:08,155 WARN L286 SmtUtils]: Spent 8.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-19 02:02:45,658 WARN L286 SmtUtils]: Spent 33.26s on a formula simplification that was a NOOP. DAG size: 54 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-19 02:03:01,799 WARN L286 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-19 02:03:06,232 INFO L349 Elim1Store]: treesize reduction 218, result has 30.4 percent of original size [2024-11-19 02:03:06,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 9 case distinctions, treesize of input 203 treesize of output 359 [2024-11-19 02:03:06,535 INFO L349 Elim1Store]: treesize reduction 16, result has 86.8 percent of original size [2024-11-19 02:03:06,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 159 treesize of output 251 [2024-11-19 02:03:06,784 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 29 proven. 57 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-19 02:03:06,786 INFO L311 TraceCheckSpWp]: Computing backward predicates...