./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d 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_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-?-c7c6ca5-m [2024-11-09 02:56:11,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 02:56:11,707 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 02:56:11,712 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 02:56:11,713 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 02:56:11,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 02:56:11,740 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 02:56:11,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 02:56:11,741 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 02:56:11,742 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 02:56:11,742 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 02:56:11,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 02:56:11,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 02:56:11,744 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 02:56:11,745 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 02:56:11,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 02:56:11,746 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 02:56:11,746 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 02:56:11,746 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 02:56:11,746 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 02:56:11,747 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 02:56:11,747 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 02:56:11,750 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 02:56:11,750 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 02:56:11,750 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 02:56:11,751 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 02:56:11,751 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 02:56:11,751 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 02:56:11,751 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 02:56:11,751 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:56:11,752 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 02:56:11,752 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 02:56:11,752 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 02:56:11,752 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 02:56:11,752 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 02:56:11,752 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 02:56:11,753 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 02:56:11,753 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 02:56:11,753 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 02:56:11,754 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db08682c30aec752483be6a01f1f927a34d978b2784f151bbe405368492dd0de [2024-11-09 02:56:11,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 02:56:11,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 02:56:11,956 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 02:56:11,957 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 02:56:11,958 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 02:56:11,959 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2024-11-09 02:56:13,185 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 02:56:13,513 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 02:56:13,514 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_array_list_front_harness.i [2024-11-09 02:56:13,543 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c9aae15a/72236d57e1974b74825654fcb1e0e7a6/FLAG57ebaefdb [2024-11-09 02:56:13,560 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c9aae15a/72236d57e1974b74825654fcb1e0e7a6 [2024-11-09 02:56:13,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 02:56:13,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 02:56:13,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 02:56:13,568 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 02:56:13,572 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 02:56:13,572 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:56:13" (1/1) ... [2024-11-09 02:56:13,574 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20aa3971 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:13, skipping insertion in model container [2024-11-09 02:56:13,574 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 02:56:13" (1/1) ... [2024-11-09 02:56:13,672 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 02:56:13,885 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_front_harness.i[4494,4507] [2024-11-09 02:56:13,892 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_front_harness.i[4554,4567] [2024-11-09 02:56:14,393 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,396 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,398 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,406 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,408 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,409 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,409 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,410 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,411 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,411 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,413 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,729 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:56:14,807 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 02:56:14,825 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_front_harness.i[4494,4507] [2024-11-09 02:56:14,825 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_front_harness.i[4554,4567] [2024-11-09 02:56:14,878 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,881 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,881 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,881 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,881 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,888 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,889 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,890 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,890 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,891 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,891 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,891 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,892 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,939 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,942 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 02:56:14,945 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7767-7778] [2024-11-09 02:56:14,954 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 02:56:15,115 INFO L204 MainTranslator]: Completed translation [2024-11-09 02:56:15,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15 WrapperNode [2024-11-09 02:56:15,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 02:56:15,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 02:56:15,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 02:56:15,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 02:56:15,122 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15" (1/1) ... [2024-11-09 02:56:15,174 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15" (1/1) ... [2024-11-09 02:56:15,232 INFO L138 Inliner]: procedures = 680, calls = 1682, calls flagged for inlining = 53, calls inlined = 8, statements flattened = 662 [2024-11-09 02:56:15,233 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 02:56:15,236 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 02:56:15,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 02:56:15,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 02:56:15,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15" (1/1) ... [2024-11-09 02:56:15,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15" (1/1) ... [2024-11-09 02:56:15,259 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15" (1/1) ... [2024-11-09 02:56:15,306 INFO L175 MemorySlicer]: Split 314 memory accesses to 6 slices as follows [238, 2, 3, 56, 6, 9]. 76 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 2, 1, 10, 0, 5]. The 239 writes are split as follows [232, 0, 1, 3, 2, 1]. [2024-11-09 02:56:15,306 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15" (1/1) ... [2024-11-09 02:56:15,307 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15" (1/1) ... [2024-11-09 02:56:15,330 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15" (1/1) ... [2024-11-09 02:56:15,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15" (1/1) ... [2024-11-09 02:56:15,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15" (1/1) ... [2024-11-09 02:56:15,356 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15" (1/1) ... [2024-11-09 02:56:15,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 02:56:15,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 02:56:15,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 02:56:15,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 02:56:15,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15" (1/1) ... [2024-11-09 02:56:15,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 02:56:15,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 02:56:15,390 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) [2024-11-09 02:56:15,392 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 [2024-11-09 02:56:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 02:56:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-09 02:56:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-09 02:56:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-09 02:56:15,422 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-09 02:56:15,422 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 02:56:15,423 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 02:56:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 02:56:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 02:56:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 02:56:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 02:56:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 02:56:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 02:56:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 02:56:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 02:56:15,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 02:56:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 02:56:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 02:56:15,424 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 02:56:15,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 02:56:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 02:56:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 02:56:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 02:56:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 02:56:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 02:56:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-09 02:56:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-09 02:56:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-09 02:56:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-09 02:56:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 02:56:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 02:56:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 02:56:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 02:56:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 02:56:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 02:56:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 02:56:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 02:56:15,425 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-09 02:56:15,425 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-09 02:56:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 02:56:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 02:56:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 02:56:15,426 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 02:56:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 02:56:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 02:56:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 02:56:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 02:56:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 02:56:15,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 02:56:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 02:56:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 02:56:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 02:56:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 02:56:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 02:56:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 02:56:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 02:56:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 02:56:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 02:56:15,427 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-09 02:56:15,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-09 02:56:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 02:56:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 02:56:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 02:56:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 02:56:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 02:56:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 02:56:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:56:15,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-09 02:56:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 02:56:15,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 02:56:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 02:56:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 02:56:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 02:56:15,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 02:56:15,666 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 02:56:15,668 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 02:56:21,590 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-09 02:56:21,591 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 02:56:21,611 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 02:56:21,612 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 02:56:21,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:56:21 BoogieIcfgContainer [2024-11-09 02:56:21,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 02:56:21,614 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 02:56:21,615 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 02:56:21,617 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 02:56:21,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 02:56:13" (1/3) ... [2024-11-09 02:56:21,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7a445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:56:21, skipping insertion in model container [2024-11-09 02:56:21,618 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 02:56:15" (2/3) ... [2024-11-09 02:56:21,618 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7a445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 02:56:21, skipping insertion in model container [2024-11-09 02:56:21,619 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 02:56:21" (3/3) ... [2024-11-09 02:56:21,620 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_front_harness.i [2024-11-09 02:56:21,662 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 02:56:21,662 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 02:56:21,730 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 02:56:21,738 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;@4158b8f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 02:56:21,740 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 02:56:21,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 188 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 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) [2024-11-09 02:56:21,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 02:56:21,757 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:56:21,758 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, 1, 1, 1, 1, 1, 1] [2024-11-09 02:56:21,759 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:56:21,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:56:21,764 INFO L85 PathProgramCache]: Analyzing trace with hash -910861617, now seen corresponding path program 1 times [2024-11-09 02:56:21,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:56:21,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428922223] [2024-11-09 02:56:21,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:21,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:56:26,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:26,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:56:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:26,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:56:26,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:56:27,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:27,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:27,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:56:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:56:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:56:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 02:56:27,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 02:56:27,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:56:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 02:56:27,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 02:56:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 02:56:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 02:56:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:56:27,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 02:56:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 02:56:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 02:56:27,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 02:56:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 02:56:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:27,702 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 02:56:27,705 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:56:27,705 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428922223] [2024-11-09 02:56:27,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428922223] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:56:27,706 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:56:27,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 02:56:27,708 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131983404] [2024-11-09 02:56:27,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:56:27,712 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 02:56:27,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:56:27,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 02:56:27,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 02:56:27,737 INFO L87 Difference]: Start difference. First operand has 188 states, 113 states have (on average 1.2035398230088497) internal successors, (136), 114 states have internal predecessors, (136), 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 9.2) internal successors, (46), 2 states have internal predecessors, (46), 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) [2024-11-09 02:56:31,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:56:36,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:56:40,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:56:44,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:56:44,463 INFO L93 Difference]: Finished difference Result 390 states and 561 transitions. [2024-11-09 02:56:44,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 02:56:44,469 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 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 129 [2024-11-09 02:56:44,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:56:44,477 INFO L225 Difference]: With dead ends: 390 [2024-11-09 02:56:44,477 INFO L226 Difference]: Without dead ends: 200 [2024-11-09 02:56:44,484 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-09 02:56:44,486 INFO L432 NwaCegarLoop]: 143 mSDtfsCounter, 199 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 226 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 400 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.1s IncrementalHoareTripleChecker+Time [2024-11-09 02:56:44,486 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 210 Invalid, 400 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [226 Valid, 171 Invalid, 3 Unknown, 0 Unchecked, 16.1s Time] [2024-11-09 02:56:44,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-09 02:56:44,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 179. [2024-11-09 02:56:44,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 106 states have (on average 1.1603773584905661) internal successors, (123), 107 states have internal predecessors, (123), 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) [2024-11-09 02:56:44,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 233 transitions. [2024-11-09 02:56:44,538 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 233 transitions. Word has length 129 [2024-11-09 02:56:44,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:56:44,539 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 233 transitions. [2024-11-09 02:56:44,539 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 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) [2024-11-09 02:56:44,539 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 233 transitions. [2024-11-09 02:56:44,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 02:56:44,542 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:56:44,542 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, 1, 1, 1, 1, 1, 1] [2024-11-09 02:56:44,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 02:56:44,542 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:56:44,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:56:44,543 INFO L85 PathProgramCache]: Analyzing trace with hash -851831597, now seen corresponding path program 1 times [2024-11-09 02:56:44,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:56:44,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421047020] [2024-11-09 02:56:44,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:56:44,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:56:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:50,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:56:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:50,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:56:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:50,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:56:50,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:50,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:56:50,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:50,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:56:50,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:51,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:56:51,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:51,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:56:51,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:51,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:56:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:51,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 02:56:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:51,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 02:56:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:56:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 02:56:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 02:56:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 02:56:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,229 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 02:56:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:56:52,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 02:56:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 02:56:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 02:56:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 02:56:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 02:56:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:56:52,274 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 02:56:52,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:56:52,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421047020] [2024-11-09 02:56:52,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421047020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:56:52,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:56:52,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 02:56:52,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59046341] [2024-11-09 02:56:52,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:56:52,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 02:56:52,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:56:52,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 02:56:52,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 02:56:52,279 INFO L87 Difference]: Start difference. First operand 179 states and 233 transitions. Second operand has 10 states, 10 states have (on average 4.6) internal successors, (46), 6 states have internal predecessors, (46), 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) [2024-11-09 02:56:56,335 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:57:00,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:57:05,139 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 [] [2024-11-09 02:57:22,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 02:57:22,106 INFO L93 Difference]: Finished difference Result 328 states and 438 transitions. [2024-11-09 02:57:22,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 02:57:22,106 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 6 states have internal predecessors, (46), 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 129 [2024-11-09 02:57:22,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 02:57:22,110 INFO L225 Difference]: With dead ends: 328 [2024-11-09 02:57:22,110 INFO L226 Difference]: Without dead ends: 215 [2024-11-09 02:57:22,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-09 02:57:22,112 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 196 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 879 mSolverCounterSat, 234 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 1116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 234 IncrementalHoareTripleChecker+Valid, 879 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.6s IncrementalHoareTripleChecker+Time [2024-11-09 02:57:22,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 646 Invalid, 1116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [234 Valid, 879 Invalid, 3 Unknown, 0 Unchecked, 27.6s Time] [2024-11-09 02:57:22,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2024-11-09 02:57:22,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 193. [2024-11-09 02:57:22,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 116 states have internal predecessors, (133), 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) [2024-11-09 02:57:22,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 252 transitions. [2024-11-09 02:57:22,134 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 252 transitions. Word has length 129 [2024-11-09 02:57:22,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 02:57:22,134 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 252 transitions. [2024-11-09 02:57:22,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.6) internal successors, (46), 6 states have internal predecessors, (46), 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) [2024-11-09 02:57:22,134 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 252 transitions. [2024-11-09 02:57:22,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-09 02:57:22,136 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 02:57:22,136 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, 1, 1, 1, 1, 1, 1] [2024-11-09 02:57:22,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 02:57:22,137 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 02:57:22,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 02:57:22,137 INFO L85 PathProgramCache]: Analyzing trace with hash 24187409, now seen corresponding path program 1 times [2024-11-09 02:57:22,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 02:57:22,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606088068] [2024-11-09 02:57:22,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 02:57:22,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 02:57:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:27,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 02:57:28,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:28,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 02:57:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:28,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 02:57:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:28,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 02:57:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:28,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 02:57:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:28,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 02:57:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:28,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 02:57:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:28,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 02:57:28,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:28,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 02:57:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:29,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 02:57:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:29,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 02:57:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:29,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-11-09 02:57:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:29,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2024-11-09 02:57:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:29,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 02:57:29,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:29,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 02:57:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:29,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-09 02:57:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 02:57:30,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-09 02:57:30,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-09 02:57:30,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-09 02:57:30,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-09 02:57:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 02:57:30,037 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-11-09 02:57:30,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 02:57:30,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606088068] [2024-11-09 02:57:30,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606088068] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 02:57:30,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 02:57:30,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 02:57:30,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353153365] [2024-11-09 02:57:30,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 02:57:30,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 02:57:30,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 02:57:30,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 02:57:30,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 02:57:30,043 INFO L87 Difference]: Start difference. First operand 193 states and 252 transitions. Second operand has 11 states, 11 states have (on average 4.181818181818182) internal successors, (46), 7 states have internal predecessors, (46), 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) [2024-11-09 02:57:34,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:57:38,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 02:57:42,857 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []