./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_string_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_string_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f794b74895d86811f31f266061230bbe472937829675777db1e7aa35770837b1 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:18:44,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:18:44,391 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:18:44,395 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:18:44,396 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:18:44,412 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:18:44,413 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:18:44,413 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:18:44,413 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:18:44,414 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:18:44,414 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:18:44,414 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:18:44,415 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:18:44,415 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:18:44,415 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:18:44,416 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:18:44,416 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:18:44,416 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:18:44,416 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:18:44,417 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:18:44,417 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:18:44,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:18:44,419 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:18:44,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:18:44,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:18:44,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:18:44,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:18:44,421 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:18:44,422 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:18:44,422 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:18:44,422 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:18:44,422 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:18:44,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:18:44,423 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:18:44,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:18:44,424 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:18:44,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:18:44,424 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:18:44,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:18:44,424 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f794b74895d86811f31f266061230bbe472937829675777db1e7aa35770837b1 [2024-11-20 10:18:44,623 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:18:44,642 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:18:44,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:18:44,644 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:18:44,645 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:18:44,646 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i [2024-11-20 10:18:45,887 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:18:46,228 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:18:46,229 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i [2024-11-20 10:18:46,262 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ef90bfc/25fc299bf7014e3f9990da6d9c6baa9a/FLAG29ec0ae9e [2024-11-20 10:18:46,276 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d1ef90bfc/25fc299bf7014e3f9990da6d9c6baa9a [2024-11-20 10:18:46,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:18:46,280 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:18:46,283 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:18:46,283 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:18:46,287 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:18:46,287 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:18:46" (1/1) ... [2024-11-20 10:18:46,288 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@513e6d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:46, skipping insertion in model container [2024-11-20 10:18:46,288 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:18:46" (1/1) ... [2024-11-20 10:18:46,392 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:18:46,613 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i[4500,4513] [2024-11-20 10:18:46,620 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i[4560,4573] [2024-11-20 10:18:47,114 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,115 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,115 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,116 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,117 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,126 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,126 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,127 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,128 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,510 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,591 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:18:47,636 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:18:47,649 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i[4500,4513] [2024-11-20 10:18:47,651 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_new_from_string_harness_negated.i[4560,4573] [2024-11-20 10:18:47,676 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,677 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,677 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,677 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,678 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,683 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,685 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,686 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,687 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,772 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-20 10:18:47,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:18:47,786 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-20 10:18:47,885 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:18:48,073 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:18:48,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48 WrapperNode [2024-11-20 10:18:48,075 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:18:48,075 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:18:48,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:18:48,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:18:48,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48" (1/1) ... [2024-11-20 10:18:48,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48" (1/1) ... [2024-11-20 10:18:48,207 INFO L138 Inliner]: procedures = 679, calls = 2733, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 831 [2024-11-20 10:18:48,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:18:48,208 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:18:48,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:18:48,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:18:48,222 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48" (1/1) ... [2024-11-20 10:18:48,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48" (1/1) ... [2024-11-20 10:18:48,235 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48" (1/1) ... [2024-11-20 10:18:48,296 INFO L175 MemorySlicer]: Split 525 memory accesses to 6 slices as follows [21, 257, 2, 5, 238, 2]. 49 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [0, 0, 2, 5, 6, 0]. The 497 writes are split as follows [7, 257, 0, 0, 232, 1]. [2024-11-20 10:18:48,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48" (1/1) ... [2024-11-20 10:18:48,297 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48" (1/1) ... [2024-11-20 10:18:48,321 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48" (1/1) ... [2024-11-20 10:18:48,327 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48" (1/1) ... [2024-11-20 10:18:48,338 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48" (1/1) ... [2024-11-20 10:18:48,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48" (1/1) ... [2024-11-20 10:18:48,358 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:18:48,358 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:18:48,358 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:18:48,359 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:18:48,359 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48" (1/1) ... [2024-11-20 10:18:48,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:18:48,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:18:48,391 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 10:18:48,393 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 10:18:48,425 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-20 10:18:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-20 10:18:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:18:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-20 10:18:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-20 10:18:48,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-20 10:18:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:18:48,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-20 10:18:48,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-20 10:18:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-20 10:18:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-20 10:18:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-20 10:18:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-20 10:18:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-20 10:18:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-20 10:18:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 10:18:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 10:18:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:18:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:18:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:18:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:18:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:18:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:18:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:18:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:18:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:18:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-20 10:18:48,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:18:48,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:18:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:18:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:18:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-20 10:18:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-20 10:18:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-20 10:18:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-20 10:18:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-20 10:18:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-20 10:18:48,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:18:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:18:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:18:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:18:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:18:48,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-20 10:18:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-20 10:18:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-20 10:18:48,433 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:18:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:18:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-20 10:18:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-20 10:18:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:18:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-20 10:18:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-20 10:18:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:18:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:18:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:18:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:18:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:18:48,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-20 10:18:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:18:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:18:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:18:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:18:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:18:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-20 10:18:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_array [2024-11-20 10:18:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_array [2024-11-20 10:18:48,435 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-20 10:18:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-20 10:18:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-20 10:18:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-20 10:18:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:18:48,436 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:18:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:18:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:18:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:18:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:18:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:18:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-20 10:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-20 10:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-20 10:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-20 10:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-20 10:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-20 10:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-20 10:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_new_from_string [2024-11-20 10:18:48,437 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_new_from_string [2024-11-20 10:18:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:18:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:18:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:18:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:18:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:18:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-20 10:18:48,690 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:18:48,692 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:18:49,228 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !true; [2024-11-20 10:18:55,947 INFO L? ?]: Removed 178 outVars from TransFormulas that were not future-live. [2024-11-20 10:18:55,948 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:18:55,958 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:18:55,958 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-20 10:18:55,959 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:18:55 BoogieIcfgContainer [2024-11-20 10:18:55,959 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:18:55,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:18:55,960 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:18:55,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:18:55,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:18:46" (1/3) ... [2024-11-20 10:18:55,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ae2cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:18:55, skipping insertion in model container [2024-11-20 10:18:55,963 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:18:48" (2/3) ... [2024-11-20 10:18:55,963 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46ae2cf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:18:55, skipping insertion in model container [2024-11-20 10:18:55,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:18:55" (3/3) ... [2024-11-20 10:18:55,964 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_new_from_string_harness_negated.i [2024-11-20 10:18:55,976 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:18:55,977 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:18:56,027 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:18:56,032 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;@2bdebb0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:18:56,032 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:18:56,035 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-20 10:18:56,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-20 10:18:56,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:18:56,043 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] [2024-11-20 10:18:56,043 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:18:56,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:18:56,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1689756811, now seen corresponding path program 1 times [2024-11-20 10:18:56,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:18:56,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164449229] [2024-11-20 10:18:56,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:18:56,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:20:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:12,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:20:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:12,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:20:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:12,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-20 10:20:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:12,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:20:12,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:12,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-20 10:20:12,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:13,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-20 10:20:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:13,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:20:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:13,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 10:20:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:13,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:20:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:13,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-20 10:20:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:13,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:20:13,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:13,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:20:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:20:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-20 10:20:13,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:20:13,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164449229] [2024-11-20 10:20:13,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164449229] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:20:13,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:20:13,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 10:20:13,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723277871] [2024-11-20 10:20:13,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:20:13,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 10:20:13,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:20:13,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 10:20:13,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:20:13,402 INFO L87 Difference]: Start difference. First operand has 153 states, 97 states have (on average 1.175257731958763) internal successors, (114), 97 states have internal predecessors, (114), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (13), 5 states have call predecessors, (13), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-20 10:20:17,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.13s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:20:22,016 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.47s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:20:26,498 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:20:30,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:20:30,452 INFO L93 Difference]: Finished difference Result 320 states and 422 transitions. [2024-11-20 10:20:30,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 10:20:30,454 INFO L78 Accepts]: Start accepts. Automaton has 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) Word has length 80 [2024-11-20 10:20:30,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:20:30,461 INFO L225 Difference]: With dead ends: 320 [2024-11-20 10:20:30,461 INFO L226 Difference]: Without dead ends: 167 [2024-11-20 10:20:30,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-11-20 10:20:30,466 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 88 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 229 mSolverCounterSat, 44 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 229 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2024-11-20 10:20:30,466 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 217 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 229 Invalid, 3 Unknown, 0 Unchecked, 16.7s Time] [2024-11-20 10:20:30,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-20 10:20:30,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 147. [2024-11-20 10:20:30,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 91 states have (on average 1.164835164835165) internal successors, (106), 92 states have internal predecessors, (106), 39 states have call successors, (39), 16 states have call predecessors, (39), 16 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-20 10:20:30,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 183 transitions. [2024-11-20 10:20:30,511 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 183 transitions. Word has length 80 [2024-11-20 10:20:30,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:20:30,512 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 183 transitions. [2024-11-20 10:20:30,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has 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) [2024-11-20 10:20:30,512 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 183 transitions. [2024-11-20 10:20:30,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-20 10:20:30,517 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:20:30,517 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] [2024-11-20 10:20:30,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:20:30,518 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:20:30,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:20:30,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1131189901, now seen corresponding path program 1 times [2024-11-20 10:20:30,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:20:30,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316876243] [2024-11-20 10:20:30,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:20:30,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms