./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_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 a5910cea77a565141d916d1fcbedfa046ab56f15dda6ed8f11c344bfa9c73fe2 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:18:39,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:18:39,919 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:18:39,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:18:39,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:18:39,956 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:18:39,958 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:18:39,958 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:18:39,959 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:18:39,961 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:18:39,961 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:18:39,961 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:18:39,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:18:39,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:18:39,964 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:18:39,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:18:39,965 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:18:39,965 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:18:39,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:18:39,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:18:39,966 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:18:39,968 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:18:39,968 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:18:39,968 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:18:39,969 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:18:39,969 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:18:39,969 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:18:39,969 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:18:39,970 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:18:39,970 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:18:39,970 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:18:39,970 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:18:39,971 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:18:39,971 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:18:39,971 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:18:39,972 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:18:39,973 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:18:39,973 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:18:39,973 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:18:39,973 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5910cea77a565141d916d1fcbedfa046ab56f15dda6ed8f11c344bfa9c73fe2 [2024-11-20 10:18:40,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:18:40,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:18:40,250 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:18:40,251 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:18:40,251 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:18:40,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i [2024-11-20 10:18:41,633 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:18:42,091 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:18:42,091 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness_negated.i [2024-11-20 10:18:42,132 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03f9cf3b/8dc09b55e37e4d4ca09c4155a9785b02/FLAG5aa413ab4 [2024-11-20 10:18:42,209 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e03f9cf3b/8dc09b55e37e4d4ca09c4155a9785b02 [2024-11-20 10:18:42,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:18:42,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:18:42,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:18:42,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:18:42,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:18:42,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:18:42" (1/1) ... [2024-11-20 10:18:42,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15ba19fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:42, skipping insertion in model container [2024-11-20 10:18:42,223 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:18:42" (1/1) ... [2024-11-20 10:18:42,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:18:42,674 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_c_str_harness_negated.i[4499,4512] [2024-11-20 10:18:42,682 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_c_str_harness_negated.i[4559,4572] [2024-11-20 10:18:43,451 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:43,452 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:43,452 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:43,455 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:43,456 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:43,476 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:43,477 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:43,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:43,481 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,001 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,001 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:18:44,134 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:18:44,154 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_c_str_harness_negated.i[4499,4512] [2024-11-20 10:18:44,155 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_c_str_harness_negated.i[4559,4572] [2024-11-20 10:18:44,198 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,198 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,202 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,203 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,207 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,207 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,208 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,208 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,398 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-20 10:18:44,404 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,404 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:44,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-20 10:18:44,492 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:18:44,670 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:18:44,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44 WrapperNode [2024-11-20 10:18:44,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:18:44,674 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:18:44,674 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:18:44,674 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:18:44,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44" (1/1) ... [2024-11-20 10:18:44,776 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44" (1/1) ... [2024-11-20 10:18:44,863 INFO L138 Inliner]: procedures = 679, calls = 2728, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 815 [2024-11-20 10:18:44,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:18:44,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:18:44,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:18:44,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:18:44,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44" (1/1) ... [2024-11-20 10:18:44,876 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44" (1/1) ... [2024-11-20 10:18:44,887 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44" (1/1) ... [2024-11-20 10:18:44,974 INFO L175 MemorySlicer]: Split 518 memory accesses to 6 slices as follows [2, 14, 257, 238, 5, 2]. 50 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 0, 6, 5, 0]. The 494 writes are split as follows [0, 4, 257, 232, 0, 1]. [2024-11-20 10:18:44,975 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44" (1/1) ... [2024-11-20 10:18:44,976 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44" (1/1) ... [2024-11-20 10:18:45,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44" (1/1) ... [2024-11-20 10:18:45,030 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44" (1/1) ... [2024-11-20 10:18:45,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44" (1/1) ... [2024-11-20 10:18:45,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44" (1/1) ... [2024-11-20 10:18:45,065 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:18:45,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:18:45,066 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:18:45,066 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:18:45,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44" (1/1) ... [2024-11-20 10:18:45,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:18:45,086 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:18:45,103 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) [2024-11-20 10:18:45,106 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 [2024-11-20 10:18:45,151 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-20 10:18:45,154 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-20 10:18:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:18:45,154 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:18:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:18:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-20 10:18:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-20 10:18:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-20 10:18:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-20 10:18:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-20 10:18:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-20 10:18:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-20 10:18:45,155 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-20 10:18:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-20 10:18:45,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-20 10:18:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-20 10:18:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-20 10:18:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-20 10:18:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-20 10:18:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:18:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:18:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:18:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:18:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:18:45,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:18:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:18:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:18:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:18:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:18:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:18:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:18:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-20 10:18:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-20 10:18:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-20 10:18:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-20 10:18:45,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-20 10:18:45,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-20 10:18:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-20 10:18:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-20 10:18:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-20 10:18:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-20 10:18:45,158 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-20 10:18:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-20 10:18:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 10:18:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 10:18:45,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:18:45,161 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:18:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:18:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:18:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:18:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:18:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:18:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:18:45,162 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:18:45,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:18:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:18:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:18:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:18:45,164 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:18:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-20 10:18:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-20 10:18:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-20 10:18:45,164 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-20 10:18:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-20 10:18:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-20 10:18:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:18:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:18:45,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:18:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:18:45,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:18:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:18:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-20 10:18:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-20 10:18:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:18:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:18:45,167 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-20 10:18:45,167 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-20 10:18:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:18:45,168 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-20 10:18:45,168 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-20 10:18:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:18:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:18:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:18:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:18:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:18:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:18:45,169 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-20 10:18:45,169 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-20 10:18:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:18:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:18:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-20 10:18:45,170 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-20 10:18:45,170 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:18:45,171 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:18:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:18:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:18:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:18:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:18:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:18:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:18:45,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-20 10:18:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-20 10:18:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-20 10:18:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-20 10:18:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-20 10:18:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-20 10:18:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:18:45,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:18:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:18:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:18:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:18:45,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:18:45,493 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:18:45,496 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:18:45,653 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-20 10:18:53,970 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2024-11-20 10:18:53,970 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:18:53,984 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:18:53,985 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 10:18:53,985 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:18:53 BoogieIcfgContainer [2024-11-20 10:18:53,985 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:18:53,988 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:18:53,988 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:18:53,992 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:18:53,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:18:42" (1/3) ... [2024-11-20 10:18:53,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f18ee9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:18:53, skipping insertion in model container [2024-11-20 10:18:53,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:44" (2/3) ... [2024-11-20 10:18:53,994 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f18ee9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:18:53, skipping insertion in model container [2024-11-20 10:18:53,994 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:18:53" (3/3) ... [2024-11-20 10:18:53,995 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_c_str_harness_negated.i [2024-11-20 10:18:54,012 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:18:54,013 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:18:54,076 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:18:54,082 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;@729e01d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:18:54,082 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:18:54,086 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 87 states have (on average 1.160919540229885) internal successors, (101), 87 states have internal predecessors, (101), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) [2024-11-20 10:18:54,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-20 10:18:54,097 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:18:54,098 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:18:54,098 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:18:54,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:18:54,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1565145841, now seen corresponding path program 1 times [2024-11-20 10:18:54,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:18:54,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93018656] [2024-11-20 10:18:54,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:18:54,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:20:08,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:09,004 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:20:09,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:09,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:20:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:09,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:20:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:09,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:20:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:09,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-20 10:20:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:09,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-20 10:20:09,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:09,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 10:20:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:09,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-20 10:20:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:09,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:20:09,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:09,572 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 10:20:09,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:09,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:20:09,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:09,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:20:09,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:09,797 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-20 10:20:09,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:20:09,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93018656] [2024-11-20 10:20:09,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93018656] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:20:09,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:20:09,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 10:20:09,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375955359] [2024-11-20 10:20:09,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:20:09,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 10:20:09,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:20:09,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 10:20:09,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:20:09,833 INFO L87 Difference]: Start difference. First operand has 137 states, 87 states have (on average 1.160919540229885) internal successors, (101), 87 states have internal predecessors, (101), 34 states have call successors, (34), 15 states have call predecessors, (34), 15 states have return successors, (34), 34 states have call predecessors, (34), 34 states have call successors, (34) Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 2 states have internal predecessors, (35), 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) [2024-11-20 10:20:14,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:20:18,499 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []