./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_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_c_str_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 d8feb785efb60d35f9204dc33a12e80ea59efcec5de2b7c2ff320ef29197b0bd --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 11:09:44,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:09:44,166 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:09:44,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:09:44,174 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:09:44,195 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:09:44,195 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:09:44,196 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:09:44,196 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:09:44,197 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:09:44,197 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:09:44,197 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:09:44,198 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:09:44,198 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:09:44,199 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:09:44,199 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:09:44,199 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:09:44,200 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:09:44,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:09:44,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:09:44,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:09:44,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:09:44,203 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:09:44,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:09:44,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:09:44,210 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:09:44,210 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:09:44,210 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:09:44,210 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:09:44,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:09:44,211 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:09:44,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:09:44,212 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:09:44,212 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:09:44,212 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:09:44,212 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:09:44,213 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:09:44,213 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:09:44,213 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:09:44,214 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d8feb785efb60d35f9204dc33a12e80ea59efcec5de2b7c2ff320ef29197b0bd [2024-11-10 11:09:44,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:09:44,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:09:44,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:09:44,488 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:09:44,488 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:09:44,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i [2024-11-10 11:09:45,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:09:46,359 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:09:46,361 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_c_str_harness.i [2024-11-10 11:09:46,404 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dca057988/ddf63491fc2c476fac197ae9286e2482/FLAGc93b34e7e [2024-11-10 11:09:46,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dca057988/ddf63491fc2c476fac197ae9286e2482 [2024-11-10 11:09:46,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:09:46,428 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:09:46,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:09:46,430 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:09:46,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:09:46,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:09:46" (1/1) ... [2024-11-10 11:09:46,437 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e864ae2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:46, skipping insertion in model container [2024-11-10 11:09:46,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:09:46" (1/1) ... [2024-11-10 11:09:46,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:09:46,877 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.i[4499,4512] [2024-11-10 11:09:46,886 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.i[4559,4572] [2024-11-10 11:09:47,520 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:47,521 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:47,522 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:47,522 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:47,523 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:47,545 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:47,546 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:47,548 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:47,548 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,039 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,040 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:09:48,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:09:48,237 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.i[4499,4512] [2024-11-10 11:09:48,237 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.i[4559,4572] [2024-11-10 11:09:48,293 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,294 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,294 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,296 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,297 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,307 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,308 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,309 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,312 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,513 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-10 11:09:48,515 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,516 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:09:48,530 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-10 11:09:48,553 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:09:48,785 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:09:48,786 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48 WrapperNode [2024-11-10 11:09:48,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:09:48,787 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:09:48,788 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:09:48,788 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:09:48,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48" (1/1) ... [2024-11-10 11:09:48,966 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48" (1/1) ... [2024-11-10 11:09:49,045 INFO L138 Inliner]: procedures = 679, calls = 2728, calls flagged for inlining = 62, calls inlined = 9, statements flattened = 815 [2024-11-10 11:09:49,047 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:09:49,048 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:09:49,048 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:09:49,048 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:09:49,058 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48" (1/1) ... [2024-11-10 11:09:49,058 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48" (1/1) ... [2024-11-10 11:09:49,071 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48" (1/1) ... [2024-11-10 11:09:49,153 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]. [2024-11-10 11:09:49,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48" (1/1) ... [2024-11-10 11:09:49,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48" (1/1) ... [2024-11-10 11:09:49,193 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48" (1/1) ... [2024-11-10 11:09:49,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48" (1/1) ... [2024-11-10 11:09:49,212 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48" (1/1) ... [2024-11-10 11:09:49,219 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48" (1/1) ... [2024-11-10 11:09:49,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:09:49,232 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:09:49,232 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:09:49,232 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:09:49,233 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48" (1/1) ... [2024-11-10 11:09:49,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:09:49,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:09:49,265 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 11:09:49,272 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 11:09:49,312 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-10 11:09:49,313 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-10 11:09:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 11:09:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 11:09:49,314 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 11:09:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-10 11:09:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-10 11:09:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-10 11:09:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-10 11:09:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-10 11:09:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-10 11:09:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-10 11:09:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-10 11:09:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-10 11:09:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-10 11:09:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-10 11:09:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-10 11:09:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-10 11:09:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-10 11:09:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:09:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:09:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:09:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:09:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 11:09:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 11:09:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 11:09:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 11:09:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 11:09:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 11:09:49,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 11:09:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 11:09:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-10 11:09:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-10 11:09:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-10 11:09:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-10 11:09:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-10 11:09:49,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-10 11:09:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-10 11:09:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-10 11:09:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-10 11:09:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-10 11:09:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-10 11:09:49,319 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-10 11:09:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 11:09:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 11:09:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:09:49,320 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:09:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 11:09:49,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:09:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 11:09:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 11:09:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 11:09:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 11:09:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 11:09:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 11:09:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:09:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:09:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 11:09:49,321 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 11:09:49,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-10 11:09:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-10 11:09:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-10 11:09:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-10 11:09:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-10 11:09:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-10 11:09:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 11:09:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 11:09:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 11:09:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 11:09:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 11:09:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 11:09:49,322 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 11:09:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 11:09:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 11:09:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 11:09:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-10 11:09:49,323 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-10 11:09:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 11:09:49,323 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-10 11:09:49,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-10 11:09:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:09:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:09:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:09:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:09:49,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 11:09:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 11:09:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-10 11:09:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-10 11:09:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 11:09:49,326 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 11:09:49,326 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-10 11:09:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-10 11:09:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 11:09:49,327 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 11:09:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 11:09:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 11:09:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 11:09:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 11:09:49,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 11:09:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 11:09:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-10 11:09:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-10 11:09:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-10 11:09:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-10 11:09:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-10 11:09:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-10 11:09:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:09:49,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:09:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:09:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:09:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 11:09:49,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 11:09:49,675 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:09:49,678 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:09:49,719 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 11:09:49,771 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 11:09:49,774 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 11:09:49,800 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 11:09:49,818 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 11:09:49,822 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6925: havoc #t~ret569.base, #t~ret569.offset; [2024-11-10 11:09:49,868 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume true; [2024-11-10 11:09:49,869 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8985-1: assume !true; [2024-11-10 11:09:50,108 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2617: havoc #t~ret59#1; [2024-11-10 11:09:58,425 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8961: havoc aws_string_new_from_c_str_#t~nondet1217#1;havoc aws_string_new_from_c_str_#t~ret1218#1;havoc aws_string_new_from_c_str_#t~ret1219#1.base, aws_string_new_from_c_str_#t~ret1219#1.offset; [2024-11-10 11:09:58,515 INFO L? ?]: Removed 174 outVars from TransFormulas that were not future-live. [2024-11-10 11:09:58,515 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:09:58,534 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:09:58,534 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:09:58,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:09:58 BoogieIcfgContainer [2024-11-10 11:09:58,534 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:09:58,538 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:09:58,539 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:09:58,542 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:09:58,542 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:09:46" (1/3) ... [2024-11-10 11:09:58,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3270fa7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:09:58, skipping insertion in model container [2024-11-10 11:09:58,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:09:48" (2/3) ... [2024-11-10 11:09:58,546 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3270fa7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:09:58, skipping insertion in model container [2024-11-10 11:09:58,546 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:09:58" (3/3) ... [2024-11-10 11:09:58,547 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_c_str_harness.i [2024-11-10 11:09:58,566 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:09:58,567 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 11:09:58,635 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:09:58,642 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;@427f0a45, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:09:58,642 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 11:09:58,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 89 states have (on average 1.1685393258426966) internal successors, (104), 90 states have internal predecessors, (104), 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) [2024-11-10 11:09:58,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-10 11:09:58,659 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:09:58,660 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] [2024-11-10 11:09:58,661 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:09:58,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:09:58,667 INFO L85 PathProgramCache]: Analyzing trace with hash -25469962, now seen corresponding path program 1 times [2024-11-10 11:09:58,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:09:58,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723844877] [2024-11-10 11:09:58,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:09:58,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:11:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:14,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:11:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:14,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:11:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:14,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:11:14,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:14,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:11:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:14,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-10 11:11:14,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:14,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-10 11:11:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:14,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-10 11:11:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:14,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-10 11:11:14,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:14,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:11:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:14,830 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-10 11:11:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:15,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:11:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:15,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:11:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:11:15,058 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-10 11:11:15,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:11:15,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723844877] [2024-11-10 11:11:15,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723844877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:11:15,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:11:15,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 11:11:15,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719123179] [2024-11-10 11:11:15,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:11:15,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 11:11:15,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:11:15,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 11:11:15,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 11:11:15,098 INFO L87 Difference]: Start difference. First operand has 140 states, 89 states have (on average 1.1685393258426966) internal successors, (104), 90 states have internal predecessors, (104), 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) [2024-11-10 11:11:19,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.23s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:11:23,864 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 []