./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_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 077859a827b9835fc70ffe4bef1d8360e024e130f860bf1f8321474f6266da95 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:43:21,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:43:22,023 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:43:22,030 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:43:22,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:43:22,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:43:22,065 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:43:22,066 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:43:22,066 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:43:22,067 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:43:22,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:43:22,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:43:22,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:43:22,070 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:43:22,070 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:43:22,070 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:43:22,071 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:43:22,071 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:43:22,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:43:22,071 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:43:22,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:43:22,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:43:22,077 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:43:22,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:43:22,078 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:43:22,078 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:43:22,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:43:22,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:43:22,079 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:43:22,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:43:22,080 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:43:22,080 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:43:22,081 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:43:22,081 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:43:22,081 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:43:22,081 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:43:22,081 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:43:22,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:43:22,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:43:22,082 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 077859a827b9835fc70ffe4bef1d8360e024e130f860bf1f8321474f6266da95 [2024-11-10 10:43:22,366 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:43:22,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:43:22,396 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:43:22,398 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:43:22,399 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:43:22,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2024-11-10 10:43:23,890 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:43:24,405 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:43:24,406 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i [2024-11-10 10:43:24,458 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a8931ff3/0d57d8caeea94c3191af7fcdaef9b03a/FLAG9328add72 [2024-11-10 10:43:24,475 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a8931ff3/0d57d8caeea94c3191af7fcdaef9b03a [2024-11-10 10:43:24,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:43:24,482 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:43:24,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:43:24,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:43:24,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:43:24,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:43:24" (1/1) ... [2024-11-10 10:43:24,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10746efe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:24, skipping insertion in model container [2024-11-10 10:43:24,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:43:24" (1/1) ... [2024-11-10 10:43:24,634 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:43:24,955 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2024-11-10 10:43:24,963 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2024-11-10 10:43:25,666 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:25,667 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:25,667 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:25,668 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:25,672 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:25,726 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:25,727 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:25,729 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:25,729 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:25,731 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:25,732 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:25,732 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:25,733 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,176 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,182 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,236 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,237 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,245 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:43:26,293 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:43:26,310 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4495,4508] [2024-11-10 10:43:26,312 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_get_at_harness.i[4555,4568] [2024-11-10 10:43:26,389 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,390 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,390 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,391 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,391 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,401 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,405 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,406 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,407 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,408 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,409 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,409 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,410 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,501 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,513 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7769-7780] [2024-11-10 10:43:26,546 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,547 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:43:26,548 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:43:26,821 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:43:26,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26 WrapperNode [2024-11-10 10:43:26,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:43:26,823 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:43:26,824 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:43:26,824 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:43:26,831 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26" (1/1) ... [2024-11-10 10:43:26,931 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26" (1/1) ... [2024-11-10 10:43:27,010 INFO L138 Inliner]: procedures = 680, calls = 1679, calls flagged for inlining = 52, calls inlined = 8, statements flattened = 656 [2024-11-10 10:43:27,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:43:27,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:43:27,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:43:27,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:43:27,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26" (1/1) ... [2024-11-10 10:43:27,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26" (1/1) ... [2024-11-10 10:43:27,034 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26" (1/1) ... [2024-11-10 10:43:27,125 INFO L175 MemorySlicer]: Split 313 memory accesses to 6 slices as follows [2, 238, 6, 9, 55, 3]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 0, 5, 10, 1]. The 239 writes are split as follows [0, 232, 2, 1, 3, 1]. [2024-11-10 10:43:27,129 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26" (1/1) ... [2024-11-10 10:43:27,130 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26" (1/1) ... [2024-11-10 10:43:27,176 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26" (1/1) ... [2024-11-10 10:43:27,178 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26" (1/1) ... [2024-11-10 10:43:27,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26" (1/1) ... [2024-11-10 10:43:27,209 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26" (1/1) ... [2024-11-10 10:43:27,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:43:27,231 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:43:27,232 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:43:27,232 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:43:27,234 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26" (1/1) ... [2024-11-10 10:43:27,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:43:27,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:43:27,277 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 10:43:27,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 10:43:27,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:43:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-10 10:43:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-10 10:43:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-10 10:43:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-10 10:43:27,336 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:43:27,336 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:43:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:43:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:43:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:43:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:43:27,337 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:43:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:43:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:43:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:43:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:43:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:43:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:43:27,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:43:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 10:43:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 10:43:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:43:27,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:43:27,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:43:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:43:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:43:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:43:27,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:43:27,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:43:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:43:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:43:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-10 10:43:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-10 10:43:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:43:27,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:43:27,342 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:43:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:43:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 10:43:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 10:43:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-10 10:43:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-10 10:43:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-10 10:43:27,343 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-10 10:43:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:43:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:43:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:43:27,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:43:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:43:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:43:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 10:43:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 10:43:27,344 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-10 10:43:27,344 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-10 10:43:27,346 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:43:27,346 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:43:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-10 10:43:27,347 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-10 10:43:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:43:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:43:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:43:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:43:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:43:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:43:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:43:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:43:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:43:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:43:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:43:27,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:43:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:43:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:43:27,348 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:43:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-10 10:43:27,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-10 10:43:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:43:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:43:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:43:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:43:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:43:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:43:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-10 10:43:27,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-10 10:43:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:43:27,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:43:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:43:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:43:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:43:27,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:43:27,713 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:43:27,715 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:43:27,758 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-10 10:43:27,777 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-10 10:43:27,805 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-10 10:43:27,852 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2796: havoc #t~ret81;havoc #t~ite83.base, #t~ite83.offset;havoc #t~ret82.base, #t~ret82.offset; [2024-11-10 10:43:27,994 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-10 10:43:28,000 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:43:28,021 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7390: havoc #t~ret683.base, #t~ret683.offset; [2024-11-10 10:43:33,430 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3512: havoc aws_array_list_get_at_#t~ret279#1; [2024-11-10 10:43:33,529 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-11-10 10:43:33,529 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:43:33,546 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:43:33,547 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:43:33,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:43:33 BoogieIcfgContainer [2024-11-10 10:43:33,548 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:43:33,550 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:43:33,550 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:43:33,553 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:43:33,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:43:24" (1/3) ... [2024-11-10 10:43:33,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@145dddbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:43:33, skipping insertion in model container [2024-11-10 10:43:33,554 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:26" (2/3) ... [2024-11-10 10:43:33,554 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@145dddbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:43:33, skipping insertion in model container [2024-11-10 10:43:33,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:43:33" (3/3) ... [2024-11-10 10:43:33,556 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_get_at_harness.i [2024-11-10 10:43:33,572 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:43:33,573 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:43:33,645 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:43:33,651 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;@2e4d7fc1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:43:33,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:43:33,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 187 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) [2024-11-10 10:43:33,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-10 10:43:33,677 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:43:33,678 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:43:33,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:43:33,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:43:33,687 INFO L85 PathProgramCache]: Analyzing trace with hash -1763880583, now seen corresponding path program 1 times [2024-11-10 10:43:33,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:43:33,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042386612] [2024-11-10 10:43:33,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:43:33,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:43:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:39,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:43:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:43:40,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:43:40,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:43:40,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:43:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 10:43:40,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 10:43:40,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 10:43:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 10:43:40,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:43:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:43:40,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 10:43:40,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:43:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 10:43:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-10 10:43:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 10:43:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 10:43:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 10:43:40,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:43:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:43:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 10:43:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 10:43:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:43:40,981 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2024-11-10 10:43:40,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:43:40,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042386612] [2024-11-10 10:43:40,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042386612] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:43:40,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:43:40,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 10:43:40,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972692047] [2024-11-10 10:43:40,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:43:40,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 10:43:40,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:43:41,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 10:43:41,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 10:43:41,024 INFO L87 Difference]: Start difference. First operand has 187 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 55 states have call predecessors, (55), 55 states have call successors, (55) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 10:43:45,132 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:43:49,531 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:43:53,983 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.45s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:44:00,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:44:00,104 INFO L93 Difference]: Finished difference Result 388 states and 555 transitions. [2024-11-10 10:44:00,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 10:44:00,106 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2024-11-10 10:44:00,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:44:00,116 INFO L225 Difference]: With dead ends: 388 [2024-11-10 10:44:00,116 INFO L226 Difference]: Without dead ends: 199 [2024-11-10 10:44:00,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-10 10:44:00,128 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 129 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 313 mSolverCounterSat, 148 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 313 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.4s IncrementalHoareTripleChecker+Time [2024-11-10 10:44:00,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 294 Invalid, 464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 313 Invalid, 3 Unknown, 0 Unchecked, 18.4s Time] [2024-11-10 10:44:00,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-10 10:44:00,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 177. [2024-11-10 10:44:00,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 105 states have (on average 1.161904761904762) internal successors, (122), 106 states have internal predecessors, (122), 55 states have call successors, (55), 17 states have call predecessors, (55), 16 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-10 10:44:00,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 230 transitions. [2024-11-10 10:44:00,194 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 230 transitions. Word has length 134 [2024-11-10 10:44:00,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:44:00,195 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 230 transitions. [2024-11-10 10:44:00,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 2 states have internal predecessors, (47), 2 states have call successors, (24), 5 states have call predecessors, (24), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 10:44:00,195 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 230 transitions. [2024-11-10 10:44:00,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-10 10:44:00,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:44:00,199 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:44:00,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:44:00,200 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:44:00,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:44:00,200 INFO L85 PathProgramCache]: Analyzing trace with hash -976338953, now seen corresponding path program 1 times [2024-11-10 10:44:00,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:44:00,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080284950] [2024-11-10 10:44:00,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:44:00,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:44:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:06,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:44:06,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:06,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:44:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:06,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:44:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:06,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:44:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:06,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:44:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 10:44:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-10 10:44:07,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-10 10:44:07,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-10 10:44:07,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:44:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:44:07,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-10 10:44:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-10 10:44:07,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,808 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-10 10:44:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-10 10:44:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-10 10:44:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-10 10:44:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-10 10:44:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 10:44:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-10 10:44:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-10 10:44:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-10 10:44:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:07,894 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-10 10:44:07,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:44:07,894 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080284950] [2024-11-10 10:44:07,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080284950] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 10:44:07,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869237731] [2024-11-10 10:44:07,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:44:07,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 10:44:07,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:44:07,898 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 10:44:07,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 10:44:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:13,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 4280 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 10:44:13,760 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 10:44:15,021 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-11-10 10:44:15,022 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 10:44:15,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869237731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:44:15,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 10:44:15,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2024-11-10 10:44:15,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998737246] [2024-11-10 10:44:15,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:44:15,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 10:44:15,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:44:15,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 10:44:15,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-10 10:44:15,026 INFO L87 Difference]: Start difference. First operand 177 states and 230 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-10 10:44:18,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:44:18,740 INFO L93 Difference]: Finished difference Result 327 states and 431 transitions. [2024-11-10 10:44:18,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 10:44:18,741 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) Word has length 134 [2024-11-10 10:44:18,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:44:18,744 INFO L225 Difference]: With dead ends: 327 [2024-11-10 10:44:18,744 INFO L226 Difference]: Without dead ends: 179 [2024-11-10 10:44:18,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-11-10 10:44:18,748 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 242 mSDsluCounter, 480 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 658 SdHoareTripleChecker+Invalid, 251 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-10 10:44:18,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 658 Invalid, 251 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-10 10:44:18,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-10 10:44:18,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-10 10:44:18,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (58), 53 states have call predecessors, (58), 53 states have call successors, (58) [2024-11-10 10:44:18,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 236 transitions. [2024-11-10 10:44:18,792 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 236 transitions. Word has length 134 [2024-11-10 10:44:18,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:44:18,794 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 236 transitions. [2024-11-10 10:44:18,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (22), 3 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-10 10:44:18,795 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 236 transitions. [2024-11-10 10:44:18,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2024-11-10 10:44:18,798 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:44:18,798 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:44:18,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 10:44:18,999 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 10:44:19,000 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:44:19,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:44:19,000 INFO L85 PathProgramCache]: Analyzing trace with hash 606005787, now seen corresponding path program 1 times [2024-11-10 10:44:19,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:44:19,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286123621] [2024-11-10 10:44:19,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:44:19,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:44:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:44:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:44:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 10:44:25,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:44:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:25,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:44:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:26,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-10 10:44:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:26,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:44:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:26,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:44:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:26,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 10:44:26,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:26,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 10:44:26,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:26,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-10 10:44:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:26,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 10:44:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:44:27,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 10:44:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-10 10:44:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:44:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:44:27,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 10:44:27,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-10 10:44:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-11-10 10:44:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 10:44:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 10:44:27,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-10 10:44:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-10 10:44:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2024-11-10 10:44:27,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2024-11-10 10:44:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:27,840 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-10 10:44:27,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:44:27,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286123621] [2024-11-10 10:44:27,843 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286123621] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 10:44:27,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588014] [2024-11-10 10:44:27,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:44:27,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 10:44:27,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:44:27,848 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) [2024-11-10 10:44:27,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 10:44:33,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:33,554 INFO L255 TraceCheckSpWp]: Trace formula consists of 4534 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-10 10:44:33,563 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 10:44:35,754 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-10 10:44:35,754 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 10:44:35,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:44:35,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 10:44:35,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [10] total 15 [2024-11-10 10:44:35,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235742963] [2024-11-10 10:44:35,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:44:35,755 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 10:44:35,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:44:35,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 10:44:35,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-10 10:44:35,756 INFO L87 Difference]: Start difference. First operand 179 states and 236 transitions. Second operand has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-10 10:44:40,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:44:40,246 INFO L93 Difference]: Finished difference Result 287 states and 378 transitions. [2024-11-10 10:44:40,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 10:44:40,247 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 164 [2024-11-10 10:44:40,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:44:40,250 INFO L225 Difference]: With dead ends: 287 [2024-11-10 10:44:40,250 INFO L226 Difference]: Without dead ends: 179 [2024-11-10 10:44:40,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2024-11-10 10:44:40,252 INFO L432 NwaCegarLoop]: 176 mSDtfsCounter, 243 mSDsluCounter, 643 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 294 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-10 10:44:40,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 819 Invalid, 294 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-10 10:44:40,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-10 10:44:40,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-10 10:44:40,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 108 states have internal predecessors, (123), 55 states have call successors, (55), 17 states have call predecessors, (55), 17 states have return successors, (55), 53 states have call predecessors, (55), 53 states have call successors, (55) [2024-11-10 10:44:40,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 233 transitions. [2024-11-10 10:44:40,277 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 233 transitions. Word has length 164 [2024-11-10 10:44:40,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:44:40,278 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 233 transitions. [2024-11-10 10:44:40,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.166666666666666) internal successors, (67), 7 states have internal predecessors, (67), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-10 10:44:40,279 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2024-11-10 10:44:40,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-11-10 10:44:40,282 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:44:40,283 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:44:40,325 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 10:44:40,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-10 10:44:40,484 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:44:40,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:44:40,485 INFO L85 PathProgramCache]: Analyzing trace with hash -1686562124, now seen corresponding path program 2 times [2024-11-10 10:44:40,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:44:40,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477680810] [2024-11-10 10:44:40,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:44:40,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:44:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:46,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:44:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:44:46,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 10:44:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat