./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_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 db08682c30aec752483be6a01f1f927a34d978b2784f151bbe405368492dd0de --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 07:19:52,851 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 07:19:52,906 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 07:19:52,909 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 07:19:52,909 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 07:19:52,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 07:19:52,926 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 07:19:52,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 07:19:52,926 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 07:19:52,927 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 07:19:52,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 07:19:52,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 07:19:52,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 07:19:52,928 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 07:19:52,928 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 07:19:52,928 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 07:19:52,928 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 07:19:52,929 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 07:19:52,929 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 07:19:52,929 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 07:19:52,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 07:19:52,930 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 07:19:52,930 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 07:19:52,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 07:19:52,931 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 07:19:52,931 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 07:19:52,931 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 07:19:52,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 07:19:52,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 07:19:52,932 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 07:19:52,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 07:19:52,934 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 07:19:52,934 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 07:19:52,934 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 07:19:52,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 07:19:52,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 07:19:52,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 07:19:52,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 07:19:52,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 07:19:52,935 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db08682c30aec752483be6a01f1f927a34d978b2784f151bbe405368492dd0de [2024-10-13 07:19:53,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 07:19:53,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 07:19:53,149 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 07:19:53,150 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 07:19:53,151 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 07:19:53,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2024-10-13 07:19:54,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 07:19:54,705 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 07:19:54,705 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2024-10-13 07:19:54,736 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ee225a1/057d196e37224ed7a63439a3997ac0f3/FLAG0b7fb1e56 [2024-10-13 07:19:54,750 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7ee225a1/057d196e37224ed7a63439a3997ac0f3 [2024-10-13 07:19:54,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 07:19:54,754 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 07:19:54,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 07:19:54,755 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 07:19:54,759 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 07:19:54,760 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:19:54" (1/1) ... [2024-10-13 07:19:54,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a904b19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:54, skipping insertion in model container [2024-10-13 07:19:54,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:19:54" (1/1) ... [2024-10-13 07:19:54,832 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 07:19:55,031 WARN L248 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_front_harness.i[4494,4507] [2024-10-13 07:19:55,037 WARN L248 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_front_harness.i[4554,4567] [2024-10-13 07:19:55,495 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,496 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,496 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,497 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,497 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,507 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,507 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,508 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,509 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,510 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,511 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,511 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,512 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,855 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,859 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:55,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:19:55,937 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 07:19:55,948 WARN L248 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_front_harness.i[4494,4507] [2024-10-13 07:19:55,948 WARN L248 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_front_harness.i[4554,4567] [2024-10-13 07:19:56,006 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,007 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,007 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,007 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,008 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,013 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,014 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,016 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,016 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,064 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,064 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,065 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,065 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,149 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,152 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:19:56,155 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7767-7778] [2024-10-13 07:19:56,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:19:56,312 INFO L204 MainTranslator]: Completed translation [2024-10-13 07:19:56,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56 WrapperNode [2024-10-13 07:19:56,313 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 07:19:56,314 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 07:19:56,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 07:19:56,314 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 07:19:56,318 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56" (1/1) ... [2024-10-13 07:19:56,383 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56" (1/1) ... [2024-10-13 07:19:56,438 INFO L138 Inliner]: procedures = 680, calls = 1676, calls flagged for inlining = 53, calls inlined = 8, statements flattened = 660 [2024-10-13 07:19:56,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 07:19:56,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 07:19:56,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 07:19:56,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 07:19:56,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56" (1/1) ... [2024-10-13 07:19:56,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56" (1/1) ... [2024-10-13 07:19:56,452 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56" (1/1) ... [2024-10-13 07:19:56,515 INFO L175 MemorySlicer]: Split 312 memory accesses to 6 slices as follows [236, 2, 3, 6, 56, 9]. 76 percent of accesses are in the largest equivalence class. The 254 initializations are split as follows [236, 2, 1, 0, 10, 5]. The 7 writes are split as follows [0, 0, 1, 2, 3, 1]. [2024-10-13 07:19:56,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56" (1/1) ... [2024-10-13 07:19:56,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56" (1/1) ... [2024-10-13 07:19:56,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56" (1/1) ... [2024-10-13 07:19:56,548 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56" (1/1) ... [2024-10-13 07:19:56,553 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56" (1/1) ... [2024-10-13 07:19:56,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56" (1/1) ... [2024-10-13 07:19:56,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 07:19:56,571 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 07:19:56,571 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 07:19:56,571 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 07:19:56,572 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56" (1/1) ... [2024-10-13 07:19:56,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 07:19:56,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:19:56,599 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) [2024-10-13 07:19:56,602 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 [2024-10-13 07:19:56,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 07:19:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-13 07:19:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-13 07:19:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-13 07:19:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-13 07:19:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-13 07:19:56,637 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-13 07:19:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 07:19:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 07:19:56,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 07:19:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 07:19:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 07:19:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-10-13 07:19:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-13 07:19:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-13 07:19:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 07:19:56,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 07:19:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 07:19:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 07:19:56,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 07:19:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 07:19:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 07:19:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 07:19:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 07:19:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-10-13 07:19:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-10-13 07:19:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-10-13 07:19:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 07:19:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 07:19:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-13 07:19:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-13 07:19:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-10-13 07:19:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-10-13 07:19:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-13 07:19:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-13 07:19:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-13 07:19:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-13 07:19:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-13 07:19:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-13 07:19:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-10-13 07:19:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-10-13 07:19:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 07:19:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 07:19:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-13 07:19:56,640 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-13 07:19:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 07:19:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 07:19:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 07:19:56,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 07:19:56,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 07:19:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 07:19:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-10-13 07:19:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-13 07:19:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-13 07:19:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-13 07:19:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-13 07:19:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-13 07:19:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-10-13 07:19:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-13 07:19:56,679 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-13 07:19:56,679 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-13 07:19:56,680 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-13 07:19:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 07:19:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 07:19:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 07:19:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 07:19:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 07:19:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-10-13 07:19:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-13 07:19:56,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-13 07:19:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 07:19:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 07:19:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 07:19:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 07:19:56,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 07:19:56,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-10-13 07:19:56,938 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 07:19:56,940 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 07:19:57,520 INFO L? ?]: Removed 131 outVars from TransFormulas that were not future-live. [2024-10-13 07:19:57,520 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 07:19:57,587 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 07:19:57,587 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-13 07:19:57,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:19:57 BoogieIcfgContainer [2024-10-13 07:19:57,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 07:19:57,589 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 07:19:57,590 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 07:19:57,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 07:19:57,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:19:54" (1/3) ... [2024-10-13 07:19:57,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4246669c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:19:57, skipping insertion in model container [2024-10-13 07:19:57,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:19:56" (2/3) ... [2024-10-13 07:19:57,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4246669c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:19:57, skipping insertion in model container [2024-10-13 07:19:57,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:19:57" (3/3) ... [2024-10-13 07:19:57,595 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2024-10-13 07:19:57,608 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 07:19:57,608 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 07:19:57,662 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 07:19:57,668 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;@37d63924, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 07:19:57,668 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 07:19:57,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 96 states have internal predecessors, (118), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-10-13 07:19:57,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-13 07:19:57,685 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:19:57,686 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:19:57,686 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:19:57,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:19:57,692 INFO L85 PathProgramCache]: Analyzing trace with hash -1014534717, now seen corresponding path program 1 times [2024-10-13 07:19:57,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:19:57,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806917839] [2024-10-13 07:19:57,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:19:57,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:19:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:19:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:19:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:19:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:19:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:19:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:19:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 07:19:58,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 07:19:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 07:19:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 07:19:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:19:58,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 07:19:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 07:19:58,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 07:19:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 07:19:58,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 07:19:58,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 07:19:58,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 07:19:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 07:19:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 07:19:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:19:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:19:58,396 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 07:19:58,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:19:58,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806917839] [2024-10-13 07:19:58,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806917839] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:19:58,398 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:19:58,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 07:19:58,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772303518] [2024-10-13 07:19:58,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:19:58,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 07:19:58,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:19:58,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 07:19:58,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 07:19:58,425 INFO L87 Difference]: Start difference. First operand has 170 states, 95 states have (on average 1.2421052631578948) internal successors, (118), 96 states have internal predecessors, (118), 56 states have call successors, (56), 17 states have call predecessors, (56), 17 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-13 07:19:59,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:19:59,391 INFO L93 Difference]: Finished difference Result 352 states and 523 transitions. [2024-10-13 07:19:59,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 07:19:59,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 123 [2024-10-13 07:19:59,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:19:59,402 INFO L225 Difference]: With dead ends: 352 [2024-10-13 07:19:59,402 INFO L226 Difference]: Without dead ends: 181 [2024-10-13 07:19:59,409 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-13 07:19:59,411 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 96 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-10-13 07:19:59,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 288 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-10-13 07:19:59,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-10-13 07:19:59,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 164. [2024-10-13 07:19:59,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 91 states have (on average 1.1868131868131868) internal successors, (108), 92 states have internal predecessors, (108), 56 states have call successors, (56), 17 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-10-13 07:19:59,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 218 transitions. [2024-10-13 07:19:59,476 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 218 transitions. Word has length 123 [2024-10-13 07:19:59,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:19:59,476 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 218 transitions. [2024-10-13 07:19:59,476 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-10-13 07:19:59,477 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 218 transitions. [2024-10-13 07:19:59,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-13 07:19:59,479 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:19:59,479 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:19:59,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 07:19:59,479 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:19:59,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:19:59,480 INFO L85 PathProgramCache]: Analyzing trace with hash 686227075, now seen corresponding path program 1 times [2024-10-13 07:19:59,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:19:59,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195824711] [2024-10-13 07:19:59,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:19:59,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:19:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:20:00,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:20:00,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:20:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:20:00,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:20:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 07:20:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 07:20:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 07:20:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 07:20:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 07:20:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 07:20:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 07:20:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 07:20:00,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 07:20:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 07:20:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 07:20:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 07:20:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,290 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 07:20:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:20:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:00,299 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 07:20:00,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:20:00,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195824711] [2024-10-13 07:20:00,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195824711] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:20:00,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:20:00,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-13 07:20:00,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446595893] [2024-10-13 07:20:00,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:20:00,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 07:20:00,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:20:00,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 07:20:00,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-13 07:20:00,302 INFO L87 Difference]: Start difference. First operand 164 states and 218 transitions. Second operand has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2024-10-13 07:20:01,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:20:01,471 INFO L93 Difference]: Finished difference Result 301 states and 411 transitions. [2024-10-13 07:20:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 07:20:01,472 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) Word has length 123 [2024-10-13 07:20:01,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:20:01,476 INFO L225 Difference]: With dead ends: 301 [2024-10-13 07:20:01,476 INFO L226 Difference]: Without dead ends: 196 [2024-10-13 07:20:01,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-10-13 07:20:01,478 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 145 mSDsluCounter, 526 mSDsCounter, 0 mSdLazyCounter, 769 mSolverCounterSat, 229 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 660 SdHoareTripleChecker+Invalid, 998 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 229 IncrementalHoareTripleChecker+Valid, 769 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-13 07:20:01,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 660 Invalid, 998 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [229 Valid, 769 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-13 07:20:01,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-10-13 07:20:01,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 177. [2024-10-13 07:20:01,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 99 states have (on average 1.1818181818181819) internal successors, (117), 100 states have internal predecessors, (117), 60 states have call successors, (60), 17 states have call predecessors, (60), 17 states have return successors, (59), 59 states have call predecessors, (59), 58 states have call successors, (59) [2024-10-13 07:20:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 236 transitions. [2024-10-13 07:20:01,501 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 236 transitions. Word has length 123 [2024-10-13 07:20:01,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:20:01,502 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 236 transitions. [2024-10-13 07:20:01,502 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.444444444444445) internal successors, (40), 6 states have internal predecessors, (40), 3 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 4 states have call predecessors, (21), 3 states have call successors, (21) [2024-10-13 07:20:01,502 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 236 transitions. [2024-10-13 07:20:01,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-13 07:20:01,504 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:20:01,504 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:20:01,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 07:20:01,504 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:20:01,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:20:01,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1562246081, now seen corresponding path program 1 times [2024-10-13 07:20:01,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:20:01,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963452028] [2024-10-13 07:20:01,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:01,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:20:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:01,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:01,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:20:01,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:01,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:20:01,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:01,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:20:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:01,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:20:01,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:20:02,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 07:20:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 07:20:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 07:20:02,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 07:20:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 07:20:02,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 07:20:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 07:20:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 07:20:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 07:20:02,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 07:20:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 07:20:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 07:20:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 07:20:02,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:20:02,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:02,196 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-10-13 07:20:02,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:20:02,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963452028] [2024-10-13 07:20:02,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963452028] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:20:02,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:20:02,198 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-10-13 07:20:02,198 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474990954] [2024-10-13 07:20:02,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:20:02,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-13 07:20:02,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:20:02,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-13 07:20:02,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-10-13 07:20:02,201 INFO L87 Difference]: Start difference. First operand 177 states and 236 transitions. Second operand has 11 states, 10 states have (on average 4.0) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-10-13 07:20:03,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:20:03,522 INFO L93 Difference]: Finished difference Result 316 states and 439 transitions. [2024-10-13 07:20:03,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 07:20:03,522 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 123 [2024-10-13 07:20:03,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:20:03,525 INFO L225 Difference]: With dead ends: 316 [2024-10-13 07:20:03,525 INFO L226 Difference]: Without dead ends: 217 [2024-10-13 07:20:03,525 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-10-13 07:20:03,528 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 153 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 923 mSolverCounterSat, 251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 168 SdHoareTripleChecker+Valid, 774 SdHoareTripleChecker+Invalid, 1174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 251 IncrementalHoareTripleChecker+Valid, 923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-13 07:20:03,529 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [168 Valid, 774 Invalid, 1174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [251 Valid, 923 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-13 07:20:03,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2024-10-13 07:20:03,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 183. [2024-10-13 07:20:03,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 102 states have (on average 1.1764705882352942) internal successors, (120), 103 states have internal predecessors, (120), 63 states have call successors, (63), 17 states have call predecessors, (63), 17 states have return successors, (62), 62 states have call predecessors, (62), 61 states have call successors, (62) [2024-10-13 07:20:03,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 245 transitions. [2024-10-13 07:20:03,547 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 245 transitions. Word has length 123 [2024-10-13 07:20:03,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:20:03,547 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 245 transitions. [2024-10-13 07:20:03,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 7 states have internal predecessors, (40), 4 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-10-13 07:20:03,548 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 245 transitions. [2024-10-13 07:20:03,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-10-13 07:20:03,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:20:03,552 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:20:03,552 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 07:20:03,552 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:20:03,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:20:03,553 INFO L85 PathProgramCache]: Analyzing trace with hash 1167879295, now seen corresponding path program 1 times [2024-10-13 07:20:03,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:20:03,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831335182] [2024-10-13 07:20:03,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:03,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:20:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:20:04,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:20:04,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:20:04,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:20:04,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:20:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 07:20:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-13 07:20:04,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-10-13 07:20:04,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-13 07:20:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-13 07:20:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2024-10-13 07:20:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-13 07:20:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 07:20:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-10-13 07:20:04,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-13 07:20:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-10-13 07:20:04,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-10-13 07:20:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-10-13 07:20:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:20:04,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,262 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-10-13 07:20:04,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:20:04,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831335182] [2024-10-13 07:20:04,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831335182] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:20:04,263 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1497612845] [2024-10-13 07:20:04,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:04,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:20:04,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:20:04,266 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) [2024-10-13 07:20:04,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 07:20:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:04,620 INFO L255 TraceCheckSpWp]: Trace formula consists of 2196 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-13 07:20:04,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:20:04,687 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2024-10-13 07:20:04,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:20:04,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1497612845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:20:04,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:20:04,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2024-10-13 07:20:04,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618569554] [2024-10-13 07:20:04,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:20:04,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 07:20:04,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:20:04,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 07:20:04,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 07:20:04,689 INFO L87 Difference]: Start difference. First operand 183 states and 245 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-10-13 07:20:04,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:20:04,960 INFO L93 Difference]: Finished difference Result 342 states and 466 transitions. [2024-10-13 07:20:04,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 07:20:04,960 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 123 [2024-10-13 07:20:04,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:20:04,962 INFO L225 Difference]: With dead ends: 342 [2024-10-13 07:20:04,962 INFO L226 Difference]: Without dead ends: 185 [2024-10-13 07:20:04,963 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 07:20:04,963 INFO L432 NwaCegarLoop]: 188 mSDtfsCounter, 0 mSDsluCounter, 716 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 904 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 07:20:04,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 904 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 07:20:04,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2024-10-13 07:20:04,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-10-13 07:20:04,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 103 states have (on average 1.174757281553398) internal successors, (121), 105 states have internal predecessors, (121), 63 states have call successors, (63), 17 states have call predecessors, (63), 18 states have return successors, (71), 62 states have call predecessors, (71), 61 states have call successors, (71) [2024-10-13 07:20:04,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 255 transitions. [2024-10-13 07:20:04,980 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 255 transitions. Word has length 123 [2024-10-13 07:20:04,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:20:04,981 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 255 transitions. [2024-10-13 07:20:04,981 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 3 states have call successors, (23), 2 states have call predecessors, (23), 4 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-10-13 07:20:04,981 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 255 transitions. [2024-10-13 07:20:04,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-10-13 07:20:04,982 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:20:04,983 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:20:05,003 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-13 07:20:05,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:20:05,190 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:20:05,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:20:05,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1730876606, now seen corresponding path program 1 times [2024-10-13 07:20:05,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:20:05,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069887891] [2024-10-13 07:20:05,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:05,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:20:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,459 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:05,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 07:20:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-10-13 07:20:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:20:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:20:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-13 07:20:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:20:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-10-13 07:20:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-10-13 07:20:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-10-13 07:20:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-10-13 07:20:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:20:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 07:20:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-13 07:20:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-13 07:20:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-13 07:20:05,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-10-13 07:20:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-13 07:20:05,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 07:20:05,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-10-13 07:20:05,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 07:20:05,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-10-13 07:20:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-10-13 07:20:05,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:20:05,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069887891] [2024-10-13 07:20:05,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069887891] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:20:05,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1313164949] [2024-10-13 07:20:05,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:20:05,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:20:05,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:20:05,691 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 07:20:05,693 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 07:20:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:20:06,027 INFO L255 TraceCheckSpWp]: Trace formula consists of 2337 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 07:20:06,032 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:20:06,083 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-10-13 07:20:06,084 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:20:06,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1313164949] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:20:06,084 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:20:06,084 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-10-13 07:20:06,084 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109300801] [2024-10-13 07:20:06,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:20:06,085 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 07:20:06,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:20:06,085 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 07:20:06,085 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-13 07:20:06,086 INFO L87 Difference]: Start difference. First operand 185 states and 255 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-13 07:20:06,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:20:06,198 INFO L93 Difference]: Finished difference Result 220 states and 291 transitions. [2024-10-13 07:20:06,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 07:20:06,198 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 136 [2024-10-13 07:20:06,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:20:06,199 INFO L225 Difference]: With dead ends: 220 [2024-10-13 07:20:06,199 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 07:20:06,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-13 07:20:06,200 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 15 mSDsluCounter, 144 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 07:20:06,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 199 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 07:20:06,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 07:20:06,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 07:20:06,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 07:20:06,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 07:20:06,201 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2024-10-13 07:20:06,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:20:06,202 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 07:20:06,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 states have internal predecessors, (55), 4 states have call successors, (25), 2 states have call predecessors, (25), 3 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-10-13 07:20:06,202 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 07:20:06,202 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 07:20:06,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-13 07:20:06,220 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 07:20:06,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:20:06,407 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-10-13 07:20:06,409 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 07:20:06,597 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 07:20:06,608 WARN L155 FloydHoareUtils]: Requires clause for bounded_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-13 07:20:06,609 WARN L155 FloydHoareUtils]: Requires clause for ensure_array_list_has_allocated_data_member contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |#memory_real#4| |old(#memory_real#4)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#5.offset)| |#memory_$Pointer$#5.offset|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |#memory_int#5| |old(#memory_int#5)|) (= |#memory_$Pointer$#5.base| |old(#memory_$Pointer$#5.base)|) (= |#memory_real#5| |old(#memory_real#5)|) (= |old(#valid)| |#valid|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) Eliminated clause: true [2024-10-13 07:20:06,610 WARN L155 FloydHoareUtils]: Requires clause for aws_array_list_is_valid contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |#memory_real#2| |old(#memory_real#2)|) (= |old(#memory_$Pointer$#2.base)| |#memory_$Pointer$#2.base|) (= |#memory_int#2| |old(#memory_int#2)|) (= |#memory_$Pointer$#2.offset| |old(#memory_$Pointer$#2.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-13 07:20:06,612 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~list!base [2024-10-13 07:20:06,613 WARN L155 FloydHoareUtils]: Requires clause for aws_raise_error contained old-variable. Original clause: (= ~tl_last_error~0 |old(~tl_last_error~0)|) Eliminated clause: true [2024-10-13 07:20:06,614 WARN L155 FloydHoareUtils]: Requires clause for __CPROVER_overflow_mult contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-13 07:20:06,615 WARN L155 FloydHoareUtils]: Requires clause for aws_mul_size_checked contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |#memory_real#2| |old(#memory_real#2)|) (= |old(#memory_$Pointer$#2.base)| |#memory_$Pointer$#2.base|) (= |#memory_int#2| |old(#memory_int#2)|) (= |#memory_$Pointer$#2.offset| |old(#memory_$Pointer$#2.offset)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-13 07:20:06,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:20:06 BoogieIcfgContainer [2024-10-13 07:20:06,616 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 07:20:06,616 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 07:20:06,616 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 07:20:06,616 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 07:20:06,617 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:19:57" (3/4) ... [2024-10-13 07:20:06,618 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 07:20:06,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2024-10-13 07:20:06,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2024-10-13 07:20:06,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2024-10-13 07:20:06,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2024-10-13 07:20:06,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2024-10-13 07:20:06,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2024-10-13 07:20:06,622 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-13 07:20:06,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2024-10-13 07:20:06,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2024-10-13 07:20:06,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2024-10-13 07:20:06,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2024-10-13 07:20:06,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assert_byte_from_buffer_matches [2024-10-13 07:20:06,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_size_t [2024-10-13 07:20:06,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2024-10-13 07:20:06,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_impl [2024-10-13 07:20:06,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2024-10-13 07:20:06,623 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-13 07:20:06,638 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 152 nodes and edges [2024-10-13 07:20:06,639 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 67 nodes and edges [2024-10-13 07:20:06,640 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-10-13 07:20:06,641 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-13 07:20:06,641 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-13 07:20:06,642 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 07:20:06,642 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 07:20:06,643 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 07:20:06,978 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 07:20:06,978 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 07:20:06,978 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 07:20:06,979 INFO L158 Benchmark]: Toolchain (without parser) took 12225.22ms. Allocated memory was 157.3MB in the beginning and 408.9MB in the end (delta: 251.7MB). Free memory was 116.1MB in the beginning and 212.1MB in the end (delta: -96.0MB). Peak memory consumption was 153.5MB. Max. memory is 16.1GB. [2024-10-13 07:20:06,979 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 07:20:06,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1558.64ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 82.5MB in the end (delta: 33.6MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. [2024-10-13 07:20:06,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 124.96ms. Allocated memory is still 157.3MB. Free memory was 81.6MB in the beginning and 72.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-13 07:20:06,980 INFO L158 Benchmark]: Boogie Preprocessor took 131.53ms. Allocated memory is still 157.3MB. Free memory was 72.9MB in the beginning and 57.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-13 07:20:06,980 INFO L158 Benchmark]: RCFGBuilder took 1016.60ms. Allocated memory was 157.3MB in the beginning and 241.2MB in the end (delta: 83.9MB). Free memory was 57.3MB in the beginning and 151.6MB in the end (delta: -94.2MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2024-10-13 07:20:06,980 INFO L158 Benchmark]: TraceAbstraction took 9026.60ms. Allocated memory was 241.2MB in the beginning and 408.9MB in the end (delta: 167.8MB). Free memory was 151.6MB in the beginning and 338.0MB in the end (delta: -186.4MB). Peak memory consumption was 211.8MB. Max. memory is 16.1GB. [2024-10-13 07:20:06,980 INFO L158 Benchmark]: Witness Printer took 362.34ms. Allocated memory is still 408.9MB. Free memory was 338.0MB in the beginning and 212.1MB in the end (delta: 125.8MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2024-10-13 07:20:06,981 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1558.64ms. Allocated memory is still 157.3MB. Free memory was 116.1MB in the beginning and 82.5MB in the end (delta: 33.6MB). Peak memory consumption was 101.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 124.96ms. Allocated memory is still 157.3MB. Free memory was 81.6MB in the beginning and 72.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.53ms. Allocated memory is still 157.3MB. Free memory was 72.9MB in the beginning and 57.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 1016.60ms. Allocated memory was 157.3MB in the beginning and 241.2MB in the end (delta: 83.9MB). Free memory was 57.3MB in the beginning and 151.6MB in the end (delta: -94.2MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. * TraceAbstraction took 9026.60ms. Allocated memory was 241.2MB in the beginning and 408.9MB in the end (delta: 167.8MB). Free memory was 151.6MB in the beginning and 338.0MB in the end (delta: -186.4MB). Peak memory consumption was 211.8MB. Max. memory is 16.1GB. * Witness Printer took 362.34ms. Allocated memory is still 408.9MB. Free memory was 338.0MB in the beginning and 212.1MB in the end (delta: 125.8MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7767]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7767-7778] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~list!base * 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 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 18 procedures, 170 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 5, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 427 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 409 mSDsluCounter, 2825 SdHoareTripleChecker+Invalid, 3.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2166 mSDsCounter, 628 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2228 IncrementalHoareTripleChecker+Invalid, 2856 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 628 mSolverCounterUnsat, 659 mSDtfsCounter, 2228 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 520 GetRequests, 472 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=4, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 70 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 887 NumberOfCodeBlocks, 887 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 880 ConstructedInterpolants, 0 QuantifiedInterpolants, 1839 SizeOfPredicates, 2 NumberOfNonLiveVariables, 4533 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 1526/1540 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7381]: Loop Invariant Derived loop invariant: 0 - ProcedureContractResult [Line: 2795]: Procedure Contract for can_fail_malloc Derived contract for procedure can_fail_malloc. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 210]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 7387]: Procedure Contract for my_memcpy Derived contract for procedure my_memcpy. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 7174]: Procedure Contract for assert_byte_from_buffer_matches Derived contract for procedure assert_byte_from_buffer_matches. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 263]: Procedure Contract for nondet_size_t Derived contract for procedure nondet_size_t. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 7373]: Procedure Contract for memcpy_impl Derived contract for procedure memcpy_impl. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 3487]: Procedure Contract for aws_array_list_length Derived contract for procedure aws_array_list_length. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 222]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: 0 Ensures: 0 RESULT: Ultimate proved your program to be correct! [2024-10-13 07:20:07,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE