./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_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 abdf5eedefad76d9bd13f7d94286eab9c8ba6966165711daf80a608af314bb9b --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:03:35,755 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:03:35,825 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:03:35,831 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:03:35,833 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:03:35,860 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:03:35,862 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:03:35,862 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:03:35,863 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:03:35,864 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:03:35,865 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:03:35,865 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:03:35,866 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:03:35,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:03:35,868 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:03:35,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:03:35,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:03:35,869 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:03:35,869 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:03:35,869 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:03:35,870 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:03:35,872 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:03:35,872 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:03:35,872 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:03:35,872 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:03:35,873 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:03:35,873 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:03:35,873 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:03:35,873 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:03:35,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:03:35,874 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:03:35,875 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:03:35,875 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:03:35,876 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:03:35,876 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:03:35,876 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:03:35,877 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:03:35,877 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:03:35,878 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:03:35,878 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> abdf5eedefad76d9bd13f7d94286eab9c8ba6966165711daf80a608af314bb9b [2024-11-09 03:03:36,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:03:36,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:03:36,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:03:36,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:03:36,205 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:03:36,207 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i [2024-11-09 03:03:37,719 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:03:38,264 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:03:38,266 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_init_copy_harness.i [2024-11-09 03:03:38,301 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56553b388/aafdb63ebcce4678984abfbf5378c380/FLAG4866b2ab4 [2024-11-09 03:03:38,786 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56553b388/aafdb63ebcce4678984abfbf5378c380 [2024-11-09 03:03:38,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:03:38,792 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:03:38,793 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:03:38,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:03:38,798 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:03:38,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:03:38" (1/1) ... [2024-11-09 03:03:38,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68a1b0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:38, skipping insertion in model container [2024-11-09 03:03:38,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:03:38" (1/1) ... [2024-11-09 03:03:38,893 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:03:39,221 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_byte_buf_init_copy_harness.i[4496,4509] [2024-11-09 03:03:39,232 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_byte_buf_init_copy_harness.i[4556,4569] [2024-11-09 03:03:40,207 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,208 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,209 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,210 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,211 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,224 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,225 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,930 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:40,930 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:03:41,091 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:03:41,111 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_byte_buf_init_copy_harness.i[4496,4509] [2024-11-09 03:03:41,112 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_byte_buf_init_copy_harness.i[4556,4569] [2024-11-09 03:03:41,170 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,171 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,171 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,171 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,172 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,184 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,190 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,316 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-09 03:03:41,318 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,319 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:03:41,330 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-09 03:03:41,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:03:41,638 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:03:41,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41 WrapperNode [2024-11-09 03:03:41,639 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:03:41,640 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:03:41,640 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:03:41,640 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:03:41,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41" (1/1) ... [2024-11-09 03:03:41,770 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41" (1/1) ... [2024-11-09 03:03:41,869 INFO L138 Inliner]: procedures = 680, calls = 2622, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 948 [2024-11-09 03:03:41,869 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:03:41,870 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:03:41,871 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:03:41,871 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:03:41,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41" (1/1) ... [2024-11-09 03:03:41,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41" (1/1) ... [2024-11-09 03:03:41,897 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41" (1/1) ... [2024-11-09 03:03:41,989 INFO L175 MemorySlicer]: Split 566 memory accesses to 5 slices as follows [257, 2, 6, 238, 63]. 45 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [0, 2, 0, 6, 9]. The 503 writes are split as follows [257, 0, 2, 232, 12]. [2024-11-09 03:03:41,990 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41" (1/1) ... [2024-11-09 03:03:41,990 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41" (1/1) ... [2024-11-09 03:03:42,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41" (1/1) ... [2024-11-09 03:03:42,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41" (1/1) ... [2024-11-09 03:03:42,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41" (1/1) ... [2024-11-09 03:03:42,061 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41" (1/1) ... [2024-11-09 03:03:42,078 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:03:42,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:03:42,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:03:42,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:03:42,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41" (1/1) ... [2024-11-09 03:03:42,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:03:42,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:03:42,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:03:42,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:03:42,172 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:03:42,173 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:03:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:03:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:03:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:03:42,174 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-09 03:03:42,174 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-09 03:03:42,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:03:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:03:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:03:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:03:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:03:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:03:42,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:03:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:03:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:03:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:03:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-09 03:03:42,177 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-09 03:03:42,177 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:03:42,177 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:03:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:03:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:03:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:03:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:03:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:03:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:03:42,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:03:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 03:03:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 03:03:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:03:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:03:42,179 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:03:42,179 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:03:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:03:42,180 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:03:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:03:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:03:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:03:42,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:03:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:03:42,181 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-09 03:03:42,181 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-09 03:03:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-09 03:03:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-09 03:03:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-09 03:03:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-09 03:03:42,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-09 03:03:42,182 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-09 03:03:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-09 03:03:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-09 03:03:42,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-09 03:03:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-09 03:03:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:03:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:03:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:03:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:03:42,184 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-09 03:03:42,184 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-09 03:03:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:03:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:03:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:03:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:03:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:03:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:03:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:03:42,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:03:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:03:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:03:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:03:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:03:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:03:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:03:42,186 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:03:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:03:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:03:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:03:42,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:03:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:03:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:03:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:03:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:03:42,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:03:42,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:03:42,563 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:03:42,566 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:03:51,196 INFO L? ?]: Removed 155 outVars from TransFormulas that were not future-live. [2024-11-09 03:03:51,197 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:03:51,219 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:03:51,219 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-09 03:03:51,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:03:51 BoogieIcfgContainer [2024-11-09 03:03:51,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:03:51,223 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:03:51,223 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:03:51,227 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:03:51,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:03:38" (1/3) ... [2024-11-09 03:03:51,228 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119b4e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:03:51, skipping insertion in model container [2024-11-09 03:03:51,228 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:03:41" (2/3) ... [2024-11-09 03:03:51,229 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@119b4e05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:03:51, skipping insertion in model container [2024-11-09 03:03:51,229 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:03:51" (3/3) ... [2024-11-09 03:03:51,230 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_copy_harness.i [2024-11-09 03:03:51,250 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:03:51,251 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:03:51,332 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:03:51,340 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;@2a155c5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:03:51,340 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:03:51,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 122 states have (on average 1.221311475409836) internal successors, (149), 121 states have internal predecessors, (149), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-09 03:03:51,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 03:03:51,365 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:03:51,366 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:03:51,367 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:03:51,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:03:51,374 INFO L85 PathProgramCache]: Analyzing trace with hash -1965116141, now seen corresponding path program 1 times [2024-11-09 03:03:51,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:03:51,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73153624] [2024-11-09 03:03:51,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:03:51,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:05:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:08,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-09 03:05:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:08,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:05:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:08,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 03:05:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:08,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:05:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:08,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 03:05:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:08,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 03:05:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:08,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 03:05:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:08,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:05:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:08,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 03:05:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:08,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 03:05:08,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:08,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 03:05:08,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:08,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-11-09 03:05:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:05:08,799 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-09 03:05:08,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:05:08,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73153624] [2024-11-09 03:05:08,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73153624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:05:08,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:05:08,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:05:08,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100212690] [2024-11-09 03:05:08,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:05:08,811 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:05:08,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:05:08,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:05:08,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:05:08,841 INFO L87 Difference]: Start difference. First operand has 185 states, 122 states have (on average 1.221311475409836) internal successors, (149), 121 states have internal predecessors, (149), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 03:05:13,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:05:15,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:05:15,445 INFO L93 Difference]: Finished difference Result 376 states and 532 transitions. [2024-11-09 03:05:15,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 03:05:15,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 82 [2024-11-09 03:05:15,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:05:15,457 INFO L225 Difference]: With dead ends: 376 [2024-11-09 03:05:15,457 INFO L226 Difference]: Without dead ends: 189 [2024-11-09 03:05:15,462 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:05:15,466 INFO L432 NwaCegarLoop]: 156 mSDtfsCounter, 82 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 45 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-09 03:05:15,470 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 225 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 122 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2024-11-09 03:05:15,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-09 03:05:15,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 179. [2024-11-09 03:05:15,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 114 states have (on average 1.1666666666666667) internal successors, (133), 115 states have internal predecessors, (133), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-09 03:05:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 230 transitions. [2024-11-09 03:05:15,523 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 230 transitions. Word has length 82 [2024-11-09 03:05:15,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:05:15,524 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 230 transitions. [2024-11-09 03:05:15,524 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-09 03:05:15,524 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 230 transitions. [2024-11-09 03:05:15,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-09 03:05:15,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:05:15,528 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:05:15,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:05:15,529 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:05:15,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:05:15,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1792620296, now seen corresponding path program 1 times [2024-11-09 03:05:15,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:05:15,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432711327] [2024-11-09 03:05:15,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:05:15,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms