./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_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_string_new_from_string_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 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:23:42,998 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:23:43,044 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:23:43,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:23:43,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:23:43,063 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:23:43,063 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:23:43,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:23:43,064 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:23:43,068 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:23:43,068 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:23:43,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:23:43,070 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:23:43,071 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:23:43,072 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:23:43,072 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:23:43,072 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:23:43,073 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:23:43,073 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:23:43,073 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:23:43,073 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:23:43,077 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:23:43,077 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:23:43,077 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:23:43,078 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:23:43,078 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:23:43,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:23:43,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:23:43,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:23:43,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:23:43,079 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:23:43,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:23:43,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:23:43,080 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:23:43,080 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:23:43,081 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:23:43,081 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:23:43,082 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:23:43,082 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:23:43,083 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2024-11-09 03:23:43,306 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:23:43,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:23:43,334 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:23:43,335 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:23:43,335 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:23:43,336 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2024-11-09 03:23:44,739 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:23:45,181 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:23:45,181 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2024-11-09 03:23:45,231 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8540343/69b4320dc9ce442ea5c50a487d46a831/FLAG1341c01cd [2024-11-09 03:23:45,306 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8540343/69b4320dc9ce442ea5c50a487d46a831 [2024-11-09 03:23:45,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:23:45,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:23:45,310 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:23:45,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:23:45,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:23:45,315 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:23:45" (1/1) ... [2024-11-09 03:23:45,316 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f184e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:45, skipping insertion in model container [2024-11-09 03:23:45,316 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:23:45" (1/1) ... [2024-11-09 03:23:45,404 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:23:45,634 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_string_new_from_string_harness.i[4500,4513] [2024-11-09 03:23:45,640 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_string_new_from_string_harness.i[4560,4573] [2024-11-09 03:23:46,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,211 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,683 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,684 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:23:46,903 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:23:46,927 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_string_new_from_string_harness.i[4500,4513] [2024-11-09 03:23:46,929 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_string_new_from_string_harness.i[4560,4573] [2024-11-09 03:23:46,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,974 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,975 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,975 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,083 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-09 03:23:47,085 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,085 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,103 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-09 03:23:47,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:23:47,361 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:23:47,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47 WrapperNode [2024-11-09 03:23:47,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:23:47,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:23:47,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:23:47,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:23:47,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47" (1/1) ... [2024-11-09 03:23:47,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47" (1/1) ... [2024-11-09 03:23:47,570 INFO L138 Inliner]: procedures = 679, calls = 2733, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2024-11-09 03:23:47,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:23:47,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:23:47,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:23:47,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:23:47,583 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47" (1/1) ... [2024-11-09 03:23:47,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47" (1/1) ... [2024-11-09 03:23:47,599 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47" (1/1) ... [2024-11-09 03:23:47,692 INFO L175 MemorySlicer]: Split 525 memory accesses to 6 slices as follows [257, 2, 238, 2, 5, 21]. 49 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 2, 6, 0, 5, 0]. The 497 writes are split as follows [257, 0, 232, 1, 0, 7]. [2024-11-09 03:23:47,693 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47" (1/1) ... [2024-11-09 03:23:47,693 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47" (1/1) ... [2024-11-09 03:23:47,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47" (1/1) ... [2024-11-09 03:23:47,726 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47" (1/1) ... [2024-11-09 03:23:47,735 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47" (1/1) ... [2024-11-09 03:23:47,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47" (1/1) ... [2024-11-09 03:23:47,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:23:47,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:23:47,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:23:47,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:23:47,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47" (1/1) ... [2024-11-09 03:23:47,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:23:47,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:23:47,787 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 03:23:47,790 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 03:23:47,832 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-09 03:23:47,834 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-09 03:23:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:23:47,834 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:23:47,835 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:23:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-09 03:23:47,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-09 03:23:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-09 03:23:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-09 03:23:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-09 03:23:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-09 03:23:47,836 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-09 03:23:47,836 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-09 03:23:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-09 03:23:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-09 03:23:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-09 03:23:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-09 03:23:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-09 03:23:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-09 03:23:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:23:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:23:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:23:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:23:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:23:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:23:47,838 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:23:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:23:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:23:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:23:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:23:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:23:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-09 03:23:47,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-09 03:23:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-09 03:23:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-09 03:23:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-09 03:23:47,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-09 03:23:47,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-09 03:23:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-09 03:23:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-09 03:23:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-09 03:23:47,841 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-09 03:23:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-09 03:23:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:23:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:23:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:23:47,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:23:47,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:23:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:23:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:23:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:23:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:23:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:23:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:23:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:23:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:23:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:23:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:23:47,843 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:23:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-09 03:23:47,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-09 03:23:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-09 03:23:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-09 03:23:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-09 03:23:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-09 03:23:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:23:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:23:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:23:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:23:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:23:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:23:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:23:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:23:47,844 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:23:47,844 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:23:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-09 03:23:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-09 03:23:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:23:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-09 03:23:47,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-09 03:23:47,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:23:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:23:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:23:47,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:23:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:23:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:23:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:23:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:23:47,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:23:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:23:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:23:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:23:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-09 03:23:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-09 03:23:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:23:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:23:47,849 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-09 03:23:47,849 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-09 03:23:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:23:47,850 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:23:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:23:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:23:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:23:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:23:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:23:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:23:47,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-09 03:23:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-09 03:23:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-09 03:23:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-09 03:23:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-09 03:23:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-09 03:23:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2024-11-09 03:23:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2024-11-09 03:23:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:23:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:23:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:23:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:23:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:23:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:23:48,159 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:23:48,161 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:23:48,664 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-09 03:23:55,837 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2024-11-09 03:23:55,837 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:23:55,852 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:23:55,853 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 03:23:55,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:23:55 BoogieIcfgContainer [2024-11-09 03:23:55,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:23:55,854 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:23:55,854 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:23:55,858 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:23:55,859 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:23:45" (1/3) ... [2024-11-09 03:23:55,859 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0545e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:23:55, skipping insertion in model container [2024-11-09 03:23:55,861 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47" (2/3) ... [2024-11-09 03:23:55,862 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f0545e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:23:55, skipping insertion in model container [2024-11-09 03:23:55,862 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:23:55" (3/3) ... [2024-11-09 03:23:55,863 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2024-11-09 03:23:55,878 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:23:55,879 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:23:55,949 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:23:55,959 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;@2d82c473, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:23:55,960 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:23:55,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-09 03:23:55,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 03:23:55,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:23:55,978 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-09 03:23:55,979 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:23:55,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:23:55,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1689756811, now seen corresponding path program 1 times [2024-11-09 03:23:55,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:23:55,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588020482] [2024-11-09 03:23:55,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:23:55,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:25:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:18,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:25:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:18,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:25:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:18,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 03:25:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:18,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:25:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:18,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 03:25:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:19,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 03:25:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:19,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:25:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:19,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 03:25:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:19,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:25:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:19,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:25:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:19,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:25:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:19,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:25:19,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:19,611 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-09 03:25:19,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:25:19,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [588020482] [2024-11-09 03:25:19,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [588020482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:25:19,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:25:19,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 03:25:19,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370557029] [2024-11-09 03:25:19,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:25:19,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:25:19,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:25:19,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:25:19,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:25:19,668 INFO L87 Difference]: Start difference. First operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-09 03:25:24,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:25:28,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.50s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []