./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_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 f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:58:14,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:58:14,637 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:58:14,644 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:58:14,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:58:14,677 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:58:14,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:58:14,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:58:14,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:58:14,681 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:58:14,682 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:58:14,682 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:58:14,683 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:58:14,683 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:58:14,685 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:58:14,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:58:14,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:58:14,686 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:58:14,687 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:58:14,687 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:58:14,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:58:14,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:58:14,692 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:58:14,692 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:58:14,692 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:58:14,692 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:58:14,692 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:58:14,693 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:58:14,693 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:58:14,693 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:58:14,693 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:58:14,694 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:58:14,694 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:58:14,694 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:58:14,694 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:58:14,695 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:58:14,695 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:58:14,696 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:58:14,697 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:58:14,697 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1ac591932d47e9b0b8902b9705db38e4b5e721c8f02110220ca6714b79582bb [2024-11-10 10:58:14,933 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:58:14,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:58:14,961 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:58:14,962 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:58:14,962 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:58:14,964 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2024-11-10 10:58:16,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:58:16,946 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:58:16,948 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_read_u8_harness.i [2024-11-10 10:58:16,999 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a43d2fa5/ea47f100aa5b4214b6a961b8caa29579/FLAGa2b374607 [2024-11-10 10:58:17,019 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a43d2fa5/ea47f100aa5b4214b6a961b8caa29579 [2024-11-10 10:58:17,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:58:17,024 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:58:17,027 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:58:17,028 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:58:17,033 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:58:17,034 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:58:17" (1/1) ... [2024-11-10 10:58:17,035 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e377282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:17, skipping insertion in model container [2024-11-10 10:58:17,035 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:58:17" (1/1) ... [2024-11-10 10:58:17,141 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:58:17,462 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_cursor_read_u8_harness.i[4497,4510] [2024-11-10 10:58:17,475 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_cursor_read_u8_harness.i[4557,4570] [2024-11-10 10:58:18,314 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:18,315 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:18,316 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:18,317 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:18,318 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:18,330 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:18,331 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:18,333 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:18,333 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:18,883 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:18,883 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:18,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:58:19,059 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:58:19,080 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_cursor_read_u8_harness.i[4497,4510] [2024-11-10 10:58:19,084 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_cursor_read_u8_harness.i[4557,4570] [2024-11-10 10:58:19,121 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:19,122 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:19,122 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:19,123 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:19,123 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:19,133 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:19,134 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:19,135 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:19,135 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:19,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-10 10:58:19,276 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:19,276 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:58:19,292 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-10 10:58:19,376 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:58:19,607 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:58:19,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19 WrapperNode [2024-11-10 10:58:19,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:58:19,610 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:58:19,610 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:58:19,610 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:58:19,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19" (1/1) ... [2024-11-10 10:58:19,739 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19" (1/1) ... [2024-11-10 10:58:19,828 INFO L138 Inliner]: procedures = 679, calls = 2625, calls flagged for inlining = 61, calls inlined = 10, statements flattened = 1000 [2024-11-10 10:58:19,829 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:58:19,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:58:19,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:58:19,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:58:19,851 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19" (1/1) ... [2024-11-10 10:58:19,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19" (1/1) ... [2024-11-10 10:58:19,870 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19" (1/1) ... [2024-11-10 10:58:19,960 INFO L175 MemorySlicer]: Split 555 memory accesses to 8 slices as follows [2, 242, 257, 4, 7, 4, 34, 5]. 46 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [2, 6, 0, 0, 2, 2, 2, 5]. The 501 writes are split as follows [0, 233, 257, 2, 0, 0, 9, 0]. [2024-11-10 10:58:19,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19" (1/1) ... [2024-11-10 10:58:19,961 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19" (1/1) ... [2024-11-10 10:58:20,025 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19" (1/1) ... [2024-11-10 10:58:20,033 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19" (1/1) ... [2024-11-10 10:58:20,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19" (1/1) ... [2024-11-10 10:58:20,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19" (1/1) ... [2024-11-10 10:58:20,081 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:58:20,083 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:58:20,083 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:58:20,083 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:58:20,085 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19" (1/1) ... [2024-11-10 10:58:20,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:58:20,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:58:20,124 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 10:58:20,127 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 10:58:20,171 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_read [2024-11-10 10:58:20,173 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_read [2024-11-10 10:58:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-10 10:58:20,174 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-10 10:58:20,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:58:20,175 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:58:20,175 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:58:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-10 10:58:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-10 10:58:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-10 10:58:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-10 10:58:20,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-10 10:58:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-10 10:58:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#6 [2024-11-10 10:58:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#7 [2024-11-10 10:58:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-10 10:58:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-10 10:58:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-10 10:58:20,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-10 10:58:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-10 10:58:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-10 10:58:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#6 [2024-11-10 10:58:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#7 [2024-11-10 10:58:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:58:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:58:20,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:58:20,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:58:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:58:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 10:58:20,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-10 10:58:20,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-10 10:58:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-10 10:58:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#6 [2024-11-10 10:58:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#7 [2024-11-10 10:58:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-10 10:58:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-10 10:58:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-10 10:58:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-10 10:58:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-10 10:58:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-10 10:58:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#6 [2024-11-10 10:58:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#7 [2024-11-10 10:58:20,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:58:20,245 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:58:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:58:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:58:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:58:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:58:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:58:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:58:20,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:58:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 10:58:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 10:58:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-10 10:58:20,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:58:20,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:58:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:58:20,252 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:58:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-10 10:58:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-10 10:58:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-10 10:58:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-10 10:58:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-10 10:58:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-10 10:58:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#6 [2024-11-10 10:58:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#7 [2024-11-10 10:58:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:58:20,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:58:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:58:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:58:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:58:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 10:58:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 10:58:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-10 10:58:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:58:20,253 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:58:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:58:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:58:20,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:58:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:58:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:58:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:58:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 10:58:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 10:58:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-10 10:58:20,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:58:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:58:20,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:58:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:58:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:58:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 10:58:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 10:58:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-10 10:58:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 10:58:20,256 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 10:58:20,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:58:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:58:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:58:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:58:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:58:20,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 10:58:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 10:58:20,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-10 10:58:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-10 10:58:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-10 10:58:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-10 10:58:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-10 10:58:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-10 10:58:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-10 10:58:20,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#6 [2024-11-10 10:58:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#7 [2024-11-10 10:58:20,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:58:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:58:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:58:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:58:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:58:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 10:58:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 10:58:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-10 10:58:20,670 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:58:20,673 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:58:20,721 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:58:20,967 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8360: call ULTIMATE.dealloc(~#slice~0#1.base, ~#slice~0#1.offset);havoc ~#slice~0#1.base, ~#slice~0#1.offset; [2024-11-10 10:58:20,967 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8353: havoc aws_byte_cursor_advance_nospec_#t~mem1112#1;havoc aws_byte_cursor_advance_nospec_#t~mem1113#1.base, aws_byte_cursor_advance_nospec_#t~mem1113#1.offset;call ULTIMATE.dealloc(aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset);havoc aws_byte_cursor_advance_nospec_~#rv~7#1.base, aws_byte_cursor_advance_nospec_~#rv~7#1.offset; [2024-11-10 10:58:20,969 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 10:58:21,003 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7387: havoc #t~mem693;havoc #t~mem694;havoc #t~mem695.base, #t~mem695.offset;havoc #t~short696;havoc #t~mem697;havoc #t~mem698.base, #t~mem698.offset;havoc #t~short699;havoc #t~short700;havoc #t~short701;havoc #t~short702; [2024-11-10 10:58:21,606 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:58:29,047 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-10 10:58:29,148 INFO L? ?]: Removed 230 outVars from TransFormulas that were not future-live. [2024-11-10 10:58:29,148 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:58:29,170 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:58:29,170 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:58:29,171 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:58:29 BoogieIcfgContainer [2024-11-10 10:58:29,171 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:58:29,173 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:58:29,173 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:58:29,176 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:58:29,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:58:17" (1/3) ... [2024-11-10 10:58:29,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c5881d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:58:29, skipping insertion in model container [2024-11-10 10:58:29,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:58:19" (2/3) ... [2024-11-10 10:58:29,178 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c5881d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:58:29, skipping insertion in model container [2024-11-10 10:58:29,178 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:58:29" (3/3) ... [2024-11-10 10:58:29,180 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_read_u8_harness.i [2024-11-10 10:58:29,195 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:58:29,196 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:58:29,265 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:58:29,274 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;@1157de0e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:58:29,274 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:58:29,280 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 106 states have internal predecessors, (136), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-10 10:58:29,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 10:58:29,296 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:58:29,297 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:58:29,298 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:58:29,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:58:29,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1481166585, now seen corresponding path program 1 times [2024-11-10 10:58:29,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:58:29,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737553666] [2024-11-10 10:58:29,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:58:29,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:59:44,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 10:59:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:59:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-10 10:59:45,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-11-10 10:59:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-10 10:59:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 10:59:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-10 10:59:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 10:59:45,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-10 10:59:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-10 10:59:45,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-10 10:59:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-10 10:59:45,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-11-10 10:59:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-11-10 10:59:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-11-10 10:59:45,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-10 10:59:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:59:45,993 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-10 10:59:45,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:59:45,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737553666] [2024-11-10 10:59:45,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737553666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:59:45,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:59:45,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 10:59:45,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47491517] [2024-11-10 10:59:45,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:59:46,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 10:59:46,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:59:46,030 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 10:59:46,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:59:46,033 INFO L87 Difference]: Start difference. First operand has 153 states, 105 states have (on average 1.2952380952380953) internal successors, (136), 106 states have internal predecessors, (136), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 10:59:50,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:59:52,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:59:52,206 INFO L93 Difference]: Finished difference Result 302 states and 444 transitions. [2024-11-10 10:59:52,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 10:59:52,211 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) Word has length 107 [2024-11-10 10:59:52,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:59:52,220 INFO L225 Difference]: With dead ends: 302 [2024-11-10 10:59:52,221 INFO L226 Difference]: Without dead ends: 146 [2024-11-10 10:59:52,226 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:59:52,229 INFO L432 NwaCegarLoop]: 161 mSDtfsCounter, 39 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 37 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-10 10:59:52,229 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 242 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 94 Invalid, 1 Unknown, 0 Unchecked, 6.1s Time] [2024-11-10 10:59:52,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-10 10:59:52,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-10 10:59:52,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 99 states have (on average 1.2828282828282829) internal successors, (127), 100 states have internal predecessors, (127), 38 states have call successors, (38), 8 states have call predecessors, (38), 8 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-10 10:59:52,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 202 transitions. [2024-11-10 10:59:52,288 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 202 transitions. Word has length 107 [2024-11-10 10:59:52,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:59:52,288 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 202 transitions. [2024-11-10 10:59:52,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (16), 1 states have call predecessors, (16), 2 states have call successors, (16) [2024-11-10 10:59:52,289 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 202 transitions. [2024-11-10 10:59:52,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-10 10:59:52,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:59:52,292 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:59:52,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:59:52,292 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:59:52,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:59:52,293 INFO L85 PathProgramCache]: Analyzing trace with hash -2008777626, now seen corresponding path program 1 times [2024-11-10 10:59:52,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:59:52,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889879224] [2024-11-10 10:59:52,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:59:52,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms