./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_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_write_from_whole_buffer_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 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:05:59,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:05:59,716 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:05:59,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:05:59,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:05:59,748 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:05:59,748 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:05:59,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:05:59,749 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:05:59,750 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:05:59,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:05:59,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:05:59,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:05:59,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:05:59,751 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:05:59,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:05:59,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:05:59,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:05:59,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:05:59,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:05:59,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:05:59,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:05:59,755 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:05:59,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:05:59,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:05:59,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:05:59,756 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:05:59,756 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:05:59,756 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:05:59,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:05:59,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:05:59,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:05:59,757 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:05:59,758 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:05:59,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:05:59,758 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:05:59,758 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:05:59,758 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:05:59,759 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:05:59,759 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e644a292a4c5d5b549b88d9030b75ad2c804a7dc6b4d8e0c5760a8e3b5148d0 [2024-11-09 03:05:59,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:05:59,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:05:59,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:05:59,989 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:05:59,989 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:05:59,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2024-11-09 03:06:01,201 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:06:01,609 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:06:01,610 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_from_whole_buffer_harness.i [2024-11-09 03:06:01,647 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc95f403e/bb2385f98d8d4580936542edcf330a82/FLAG9cb0182da [2024-11-09 03:06:01,748 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cc95f403e/bb2385f98d8d4580936542edcf330a82 [2024-11-09 03:06:01,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:06:01,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:06:01,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:06:01,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:06:01,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:06:01,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:06:01" (1/1) ... [2024-11-09 03:06:01,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b9f75b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:01, skipping insertion in model container [2024-11-09 03:06:01,769 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:06:01" (1/1) ... [2024-11-09 03:06:01,860 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:06:02,099 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_write_from_whole_buffer_harness.i[4510,4523] [2024-11-09 03:06:02,107 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_write_from_whole_buffer_harness.i[4570,4583] [2024-11-09 03:06:02,792 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:02,794 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:02,795 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:02,795 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:02,796 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:02,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:02,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:02,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:02,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,248 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,248 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:06:03,352 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:06:03,367 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_write_from_whole_buffer_harness.i[4510,4523] [2024-11-09 03:06:03,367 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_write_from_whole_buffer_harness.i[4570,4583] [2024-11-09 03:06:03,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,402 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,403 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,406 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,407 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,407 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,408 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,571 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-09 03:06:03,573 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,573 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:06:03,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-09 03:06:03,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:06:03,789 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:06:03,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03 WrapperNode [2024-11-09 03:06:03,789 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:06:03,790 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:06:03,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:06:03,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:06:03,795 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03" (1/1) ... [2024-11-09 03:06:03,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03" (1/1) ... [2024-11-09 03:06:03,947 INFO L138 Inliner]: procedures = 680, calls = 2658, calls flagged for inlining = 59, calls inlined = 6, statements flattened = 920 [2024-11-09 03:06:03,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:06:03,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:06:03,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:06:03,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:06:03,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03" (1/1) ... [2024-11-09 03:06:03,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03" (1/1) ... [2024-11-09 03:06:03,967 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03" (1/1) ... [2024-11-09 03:06:04,026 INFO L175 MemorySlicer]: Split 592 memory accesses to 5 slices as follows [2, 257, 6, 78, 249]. 43 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 0, 16, 11]. The 499 writes are split as follows [0, 257, 2, 7, 233]. [2024-11-09 03:06:04,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03" (1/1) ... [2024-11-09 03:06:04,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03" (1/1) ... [2024-11-09 03:06:04,051 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03" (1/1) ... [2024-11-09 03:06:04,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03" (1/1) ... [2024-11-09 03:06:04,069 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03" (1/1) ... [2024-11-09 03:06:04,075 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03" (1/1) ... [2024-11-09 03:06:04,082 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:06:04,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:06:04,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:06:04,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:06:04,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03" (1/1) ... [2024-11-09 03:06:04,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:06:04,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:06:04,111 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 03:06:04,113 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 03:06:04,152 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:06:04,153 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:06:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:06:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:06:04,154 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:06:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:06:04,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:06:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:06:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:06:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:06:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:06:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:06:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:06:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:06:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:06:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:06:04,155 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:06:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:06:04,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:06:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 03:06:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 03:06:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:06:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:06:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:06:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:06:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:06:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-09 03:06:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-09 03:06:04,156 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-09 03:06:04,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_byte_buf_has_allocated_buffer_member [2024-11-09 03:06:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:06:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:06:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:06:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:06:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:06:04,157 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:06:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:06:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:06:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:06:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:06:04,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:06:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:06:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:06:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-09 03:06:04,158 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-09 03:06:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:06:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:06:04,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:06:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:06:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:06:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:06:04,159 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-09 03:06:04,159 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-09 03:06:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:06:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:06:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:06:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:06:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:06:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:06:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:06:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:06:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:06:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_bounded [2024-11-09 03:06:04,160 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_bounded [2024-11-09 03:06:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:06:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:06:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:06:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:06:04,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:06:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_buf_equivalence [2024-11-09 03:06:04,161 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_buf_equivalence [2024-11-09 03:06:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:06:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:06:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:06:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:06:04,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:06:04,403 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:06:04,405 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:06:11,855 INFO L? ?]: Removed 114 outVars from TransFormulas that were not future-live. [2024-11-09 03:06:11,855 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:06:11,871 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:06:11,871 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:06:11,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:06:11 BoogieIcfgContainer [2024-11-09 03:06:11,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:06:11,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:06:11,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:06:11,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:06:11,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:06:01" (1/3) ... [2024-11-09 03:06:11,876 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3687e319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:06:11, skipping insertion in model container [2024-11-09 03:06:11,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:06:03" (2/3) ... [2024-11-09 03:06:11,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3687e319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:06:11, skipping insertion in model container [2024-11-09 03:06:11,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:06:11" (3/3) ... [2024-11-09 03:06:11,878 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_from_whole_buffer_harness.i [2024-11-09 03:06:11,890 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:06:11,891 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:06:11,954 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:06:11,960 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;@6a23457c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:06:11,960 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:06:11,964 INFO L276 IsEmpty]: Start isEmpty. Operand has 175 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 107 states have internal predecessors, (128), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2024-11-09 03:06:11,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 03:06:11,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:06:11,978 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:06:11,978 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:06:11,982 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:06:11,982 INFO L85 PathProgramCache]: Analyzing trace with hash -710663743, now seen corresponding path program 1 times [2024-11-09 03:06:11,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:06:11,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982121882] [2024-11-09 03:06:11,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:06:11,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:07:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:26,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:07:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:26,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:07:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:07:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:07:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:07:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:07:27,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 03:07:27,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 03:07:27,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 03:07:27,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-09 03:07:27,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 03:07:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:07:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:07:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:07:27,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-09 03:07:27,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-09 03:07:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-11-09 03:07:27,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2024-11-09 03:07:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-09 03:07:27,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-09 03:07:27,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-09 03:07:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,530 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-09 03:07:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-09 03:07:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-11-09 03:07:27,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-09 03:07:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-09 03:07:27,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:07:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-09 03:07:27,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:07:27,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [982121882] [2024-11-09 03:07:27,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [982121882] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:07:27,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:07:27,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 03:07:27,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303383608] [2024-11-09 03:07:27,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:07:27,589 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 03:07:27,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:07:27,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 03:07:27,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:07:27,613 INFO L87 Difference]: Start difference. First operand has 175 states, 105 states have (on average 1.2190476190476192) internal successors, (128), 107 states have internal predecessors, (128), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 03:07:31,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:07:36,296 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:07:41,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:07:41,143 INFO L93 Difference]: Finished difference Result 358 states and 516 transitions. [2024-11-09 03:07:41,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 03:07:41,145 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 156 [2024-11-09 03:07:41,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:07:41,152 INFO L225 Difference]: With dead ends: 358 [2024-11-09 03:07:41,152 INFO L226 Difference]: Without dead ends: 182 [2024-11-09 03:07:41,155 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-09 03:07:41,157 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 196 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 152 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 152 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2024-11-09 03:07:41,158 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 171 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [152 Valid, 280 Invalid, 2 Unknown, 0 Unchecked, 12.8s Time] [2024-11-09 03:07:41,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-11-09 03:07:41,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 170. [2024-11-09 03:07:41,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 170 states, 101 states have (on average 1.198019801980198) internal successors, (121), 103 states have internal predecessors, (121), 53 states have call successors, (53), 15 states have call predecessors, (53), 15 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2024-11-09 03:07:41,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 226 transitions. [2024-11-09 03:07:41,218 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 226 transitions. Word has length 156 [2024-11-09 03:07:41,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:07:41,219 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 226 transitions. [2024-11-09 03:07:41,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-09 03:07:41,220 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 226 transitions. [2024-11-09 03:07:41,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-09 03:07:41,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:07:41,225 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:07:41,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:07:41,226 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:07:41,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:07:41,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1409630713, now seen corresponding path program 1 times [2024-11-09 03:07:41,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:07:41,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268091526] [2024-11-09 03:07:41,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:07:41,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms