./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.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_negated.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 f794b74895d86811f31f266061230bbe472937829675777db1e7aa35770837b1 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:23:43,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:23:43,650 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:23:43,657 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:23:43,659 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:23:43,675 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:23:43,676 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:23:43,676 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:23:43,677 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:23:43,677 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:23:43,678 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:23:43,678 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:23:43,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:23:43,679 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:23:43,679 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:23:43,679 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:23:43,680 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:23:43,680 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:23:43,680 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:23:43,681 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:23:43,681 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:23:43,682 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:23:43,682 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:23:43,682 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:23:43,683 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:23:43,683 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:23:43,683 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:23:43,684 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:23:43,684 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:23:43,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:23:43,684 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:23:43,685 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:23:43,685 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:23:43,685 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:23:43,685 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:23:43,686 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:23:43,686 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:23:43,686 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:23:43,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:23:43,687 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f794b74895d86811f31f266061230bbe472937829675777db1e7aa35770837b1 [2024-11-09 03:23:43,901 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:23:43,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:23:43,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:23:43,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:23:43,923 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:23:43,924 INFO L431 ainManager$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_negated.i [2024-11-09 03:23:45,344 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:23:45,689 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:23:45,690 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i [2024-11-09 03:23:45,733 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85423d7c3/c902ce02dd3d4362bc8a17afa39d2ff4/FLAG6a989496e [2024-11-09 03:23:45,909 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/85423d7c3/c902ce02dd3d4362bc8a17afa39d2ff4 [2024-11-09 03:23:45,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:23:45,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:23:45,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:23:45,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:23:45,921 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:23:45,922 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:23:45" (1/1) ... [2024-11-09 03:23:45,925 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44d28b0d 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 03:23:45,925 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:23:45" (1/1) ... [2024-11-09 03:23:46,110 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:23:46,337 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_negated.i[4500,4513] [2024-11-09 03:23:46,347 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_negated.i[4560,4573] [2024-11-09 03:23:46,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,876 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,877 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,894 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,896 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:46,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,320 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,321 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:23:47,471 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:23:47,487 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_negated.i[4500,4513] [2024-11-09 03:23:47,487 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_negated.i[4560,4573] [2024-11-09 03:23:47,534 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,543 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,545 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,546 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,546 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-09 03:23:47,661 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,661 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:23:47,675 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-09 03:23:47,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:23:47,987 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:23:47,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:23:47 WrapperNode [2024-11-09 03:23:47,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:23:47,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:23:47,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:23:47,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:23:47,995 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 03:23:48,071 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 03:23:48,122 INFO L138 Inliner]: procedures = 679, calls = 2733, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2024-11-09 03:23:48,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:23:48,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:23:48,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:23:48,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:23:48,132 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 03:23:48,133 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 03:23:48,140 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 03:23:48,219 INFO L175 MemorySlicer]: Split 525 memory accesses to 6 slices as follows [257, 21, 2, 5, 238, 2]. 49 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 0, 2, 5, 6, 0]. The 497 writes are split as follows [257, 7, 0, 0, 232, 1]. [2024-11-09 03:23:48,220 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 03:23:48,221 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 03:23:48,322 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 03:23:48,326 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 03:23:48,332 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 03:23:48,336 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 03:23:48,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:23:48,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:23:48,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:23:48,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:23:48,349 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 03:23:48,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:23:48,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:23:48,376 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 03:23:48,388 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 03:23:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-09 03:23:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-09 03:23:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:23:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:23:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:23:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-09 03:23:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-09 03:23:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-09 03:23:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-09 03:23:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:23:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:23:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:23:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:23:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:23:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:23:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-09 03:23:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-09 03:23:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-09 03:23:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-09 03:23:48,431 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-09 03:23:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-09 03:23:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-09 03:23:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-09 03:23:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-09 03:23:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-09 03:23:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-09 03:23:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-09 03:23:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:23:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:23:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:23:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:23:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:23:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:23:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:23:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:23:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:23:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:23:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:23:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:23:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:23:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:23:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:23:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:23:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:23:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:23:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-09 03:23:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-09 03:23:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:23:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-09 03:23:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-09 03:23:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:23:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:23:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:23:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:23:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:23:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:23:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:23:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:23:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:23:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:23:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:23:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:23:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-09 03:23:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-09 03:23:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:23:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:23:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-09 03:23:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-09 03:23:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:23:48,439 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:23:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:23:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:23:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:23:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:23:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:23:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:23:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-09 03:23:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-09 03:23:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-09 03:23:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-09 03:23:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-09 03:23:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-09 03:23:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2024-11-09 03:23:48,441 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2024-11-09 03:23:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:23:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:23:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:23:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:23:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:23:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:23:48,703 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:23:48,706 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:23:49,188 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-09 03:23:56,144 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2024-11-09 03:23:56,145 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:23:56,163 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:23:56,164 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 03:23:56,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:23:56 BoogieIcfgContainer [2024-11-09 03:23:56,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:23:56,168 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:23:56,169 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:23:56,172 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:23:56,172 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:23:45" (1/3) ... [2024-11-09 03:23:56,172 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb4eb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:23:56, skipping insertion in model container [2024-11-09 03:23:56,172 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 03:23:56,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bb4eb97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:23:56, skipping insertion in model container [2024-11-09 03:23:56,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:23:56" (3/3) ... [2024-11-09 03:23:56,174 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness_negated.i [2024-11-09 03:23:56,188 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:23:56,189 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:23:56,240 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:23:56,246 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;@35ce7c2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:23:56,246 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:23:56,251 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 03:23:56,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 03:23:56,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:23:56,261 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 03:23:56,262 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:23:56,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:23:56,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1689756811, now seen corresponding path program 1 times [2024-11-09 03:23:56,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:23:56,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582788546] [2024-11-09 03:23:56,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:23:56,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:25:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:14,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:25:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:14,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:25:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:14,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-09 03:25:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:14,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:25:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:14,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 03:25:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:15,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 03:25:15,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:15,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:25:15,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:15,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-09 03:25:15,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:15,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:25:15,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:15,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:25:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:15,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:25:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:15,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:25:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:25:15,240 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 03:25:15,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:25:15,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582788546] [2024-11-09 03:25:15,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582788546] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:25:15,241 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:25:15,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 03:25:15,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230031936] [2024-11-09 03:25:15,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:25:15,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:25:15,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:25:15,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:25:15,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:25:15,275 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 03:25:19,449 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:25:23,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:25:28,382 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.46s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []