./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 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_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-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 11:09:48,165 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:09:48,224 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:09:48,230 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:09:48,231 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:09:48,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:09:48,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:09:48,257 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:09:48,257 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:09:48,258 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:09:48,259 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:09:48,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:09:48,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:09:48,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:09:48,261 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:09:48,262 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:09:48,262 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:09:48,262 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:09:48,262 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:09:48,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:09:48,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:09:48,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:09:48,266 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:09:48,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:09:48,267 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:09:48,267 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:09:48,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:09:48,268 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:09:48,268 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:09:48,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:09:48,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:09:48,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:09:48,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:09:48,269 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:09:48,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:09:48,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:09:48,269 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:09:48,270 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:09:48,270 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:09:48,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 618de5120235c3340e11b4958ef07a29ea7e443f67840fe760124caab804e862 [2024-11-10 11:09:48,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:09:48,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:09:48,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:09:48,542 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:09:48,542 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:09:48,543 INFO L431 ainManager$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 [2024-11-10 11:09:50,077 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:09:50,479 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:09:50,480 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness.i [2024-11-10 11:09:50,517 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88105dbd2/8d946bf22f6941c794c27099a7e00515/FLAGc55db447a [2024-11-10 11:09:50,531 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/88105dbd2/8d946bf22f6941c794c27099a7e00515 [2024-11-10 11:09:50,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:09:50,536 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:09:50,538 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:09:50,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:09:50,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:09:50,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:09:50" (1/1) ... [2024-11-10 11:09:50,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51f7707c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:50, skipping insertion in model container [2024-11-10 11:09:50,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:09:50" (1/1) ... [2024-11-10 11:09:50,705 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:09:50,943 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] [2024-11-10 11:09:50,950 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] [2024-11-10 11:09:51,591 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:51,595 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:51,595 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:51,596 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:51,597 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:51,616 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:51,617 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:51,621 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:51,622 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,246 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,246 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:09:52,361 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:09:52,377 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] [2024-11-10 11:09:52,377 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] [2024-11-10 11:09:52,410 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,412 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,412 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,412 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,413 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,420 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,422 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,422 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,423 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,535 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-10 11:09:52,536 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,537 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:52,554 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-10 11:09:52,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:09:52,959 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:09:52,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52 WrapperNode [2024-11-10 11:09:52,960 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:09:52,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:09:52,961 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:09:52,961 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:09:52,966 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52" (1/1) ... [2024-11-10 11:09:53,065 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52" (1/1) ... [2024-11-10 11:09:53,149 INFO L138 Inliner]: procedures = 679, calls = 2733, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2024-11-10 11:09:53,149 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:09:53,150 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:09:53,150 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:09:53,150 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:09:53,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52" (1/1) ... [2024-11-10 11:09:53,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52" (1/1) ... [2024-11-10 11:09:53,171 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52" (1/1) ... [2024-11-10 11:09:53,242 INFO L175 MemorySlicer]: Split 525 memory accesses to 6 slices as follows [257, 2, 21, 238, 5, 2]. 49 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 2, 0, 6, 5, 0]. The 497 writes are split as follows [257, 0, 7, 232, 0, 1]. [2024-11-10 11:09:53,242 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52" (1/1) ... [2024-11-10 11:09:53,243 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52" (1/1) ... [2024-11-10 11:09:53,328 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52" (1/1) ... [2024-11-10 11:09:53,333 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52" (1/1) ... [2024-11-10 11:09:53,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52" (1/1) ... [2024-11-10 11:09:53,351 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52" (1/1) ... [2024-11-10 11:09:53,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:09:53,369 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:09:53,369 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:09:53,369 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:09:53,370 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52" (1/1) ... [2024-11-10 11:09:53,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:09:53,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:09:53,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 11:09:53,410 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 11:09:53,446 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-10 11:09:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-10 11:09:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 11:09:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 11:09:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 11:09:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-10 11:09:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-10 11:09:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-10 11:09:53,448 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-10 11:09:53,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-10 11:09:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-10 11:09:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-10 11:09:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-10 11:09:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-10 11:09:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-10 11:09:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-10 11:09:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-10 11:09:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-10 11:09:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-10 11:09:53,450 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:09:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:09:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:09:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:09:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 11:09:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 11:09:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 11:09:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 11:09:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 11:09:53,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 11:09:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 11:09:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 11:09:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-10 11:09:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-10 11:09:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-10 11:09:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-10 11:09:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-10 11:09:53,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-10 11:09:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-10 11:09:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-10 11:09:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-10 11:09:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-10 11:09:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-10 11:09:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-10 11:09:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 11:09:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 11:09:53,453 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:09:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:09:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 11:09:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:09:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 11:09:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 11:09:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 11:09:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 11:09:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 11:09:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 11:09:53,454 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:09:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:09:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 11:09:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 11:09:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-10 11:09:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-10 11:09:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-10 11:09:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-10 11:09:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-10 11:09:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-10 11:09:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 11:09:53,455 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 11:09:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 11:09:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 11:09:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 11:09:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 11:09:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 11:09:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 11:09:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 11:09:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 11:09:53,456 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-10 11:09:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-10 11:09:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 11:09:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-10 11:09:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-10 11:09:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 11:09:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 11:09:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 11:09:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 11:09:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 11:09:53,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 11:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 11:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 11:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-10 11:09:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-10 11:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 11:09:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 11:09:53,458 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-10 11:09:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-10 11:09:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 11:09:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 11:09:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 11:09:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 11:09:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 11:09:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 11:09:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 11:09:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 11:09:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-10 11:09:53,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-10 11:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-10 11:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-10 11:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-10 11:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-10 11:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2024-11-10 11:09:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2024-11-10 11:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 11:09:53,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 11:09:53,713 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:09:53,716 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:09:53,748 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 11:09:53,780 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6256: havoc #t~mem472;havoc #t~short473;havoc #t~mem474;havoc #t~mem475;havoc #t~short476; [2024-11-10 11:09:53,785 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 11:09:53,795 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6900: havoc #t~ret561;havoc #t~ite563.base, #t~ite563.offset;havoc #t~ret562.base, #t~ret562.offset; [2024-11-10 11:09:54,192 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 11:09:54,195 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2024-11-10 11:09:54,204 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8990: havoc #t~mem1227;havoc #t~ret1228.base, #t~ret1228.offset; [2024-11-10 11:09:54,241 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume true; [2024-11-10 11:09:54,241 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume !true; [2024-11-10 11:09:54,255 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2024-11-10 11:10:00,972 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6803: havoc ensure_string_is_allocated_bounded_length_#t~ret543#1.base, ensure_string_is_allocated_bounded_length_#t~ret543#1.offset; [2024-11-10 11:10:00,972 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6795: havoc ensure_string_is_allocated_nondet_length_#t~ret541#1.base, ensure_string_is_allocated_nondet_length_#t~ret541#1.offset; [2024-11-10 11:10:01,066 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2024-11-10 11:10:01,066 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:10:01,085 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:10:01,086 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:10:01,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:10:01 BoogieIcfgContainer [2024-11-10 11:10:01,087 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:10:01,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:10:01,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:10:01,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:10:01,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:09:50" (1/3) ... [2024-11-10 11:10:01,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f01db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:10:01, skipping insertion in model container [2024-11-10 11:10:01,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:52" (2/3) ... [2024-11-10 11:10:01,095 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52f01db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:10:01, skipping insertion in model container [2024-11-10 11:10:01,095 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:10:01" (3/3) ... [2024-11-10 11:10:01,096 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness.i [2024-11-10 11:10:01,111 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:10:01,111 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 11:10:01,164 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:10:01,169 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;@52b973c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:10:01,170 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 11:10:01,173 INFO L276 IsEmpty]: Start isEmpty. Operand has 156 states, 99 states have (on average 1.1818181818181819) internal successors, (117), 100 states have internal predecessors, (117), 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) [2024-11-10 11:10:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-10 11:10:01,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:10:01,181 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] [2024-11-10 11:10:01,182 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:10:01,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:10:01,186 INFO L85 PathProgramCache]: Analyzing trace with hash -2108804264, now seen corresponding path program 1 times [2024-11-10 11:10:01,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:10:01,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232710249] [2024-11-10 11:10:01,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:10:01,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:11:16,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:17,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:11:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:17,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:11:17,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:17,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 11:11:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:17,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:11:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:17,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-10 11:11:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:17,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 11:11:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:17,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:11:17,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:17,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-10 11:11:17,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:17,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:11:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:17,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 11:11:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:18,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:11:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:18,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:11:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-10 11:11:18,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:11:18,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232710249] [2024-11-10 11:11:18,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232710249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:11:18,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:11:18,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 11:11:18,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429166178] [2024-11-10 11:11:18,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:11:18,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 11:11:18,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:11:18,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 11:11:18,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 11:11:18,129 INFO L87 Difference]: Start difference. First operand has 156 states, 99 states have (on average 1.1818181818181819) internal successors, (117), 100 states have internal predecessors, (117), 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) [2024-11-10 11:11:22,285 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:11:26,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.49s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:11:31,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.51s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []