./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d 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_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983481f5e23e9dbaf95892c19981dd4a39c2fab33de5cb70c70e0ce781cf6fc6 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:50:13,679 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:50:13,756 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:50:13,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:50:13,763 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:50:13,789 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:50:13,790 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:50:13,790 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:50:13,791 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:50:13,791 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:50:13,791 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:50:13,792 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:50:13,792 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:50:13,793 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:50:13,793 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:50:13,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:50:13,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:50:13,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:50:13,798 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:50:13,802 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:50:13,802 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:50:13,803 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:50:13,803 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:50:13,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:50:13,804 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:50:13,804 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:50:13,804 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:50:13,805 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:50:13,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:50:13,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:50:13,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:50:13,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:50:13,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:50:13,808 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:50:13,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:50:13,808 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:50:13,809 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:50:13,809 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:50:13,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:50:13,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983481f5e23e9dbaf95892c19981dd4a39c2fab33de5cb70c70e0ce781cf6fc6 [2024-11-16 19:50:14,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:50:14,083 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:50:14,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:50:14,089 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:50:14,089 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:50:14,090 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i [2024-11-16 19:50:15,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:50:16,105 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:50:16,106 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_write_harness_negated.i [2024-11-16 19:50:16,147 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3a14c8dc/d0a0b0e0377e43a8b649da3546dd8623/FLAGe6476fa6f [2024-11-16 19:50:16,180 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c3a14c8dc/d0a0b0e0377e43a8b649da3546dd8623 [2024-11-16 19:50:16,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:50:16,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:50:16,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:50:16,186 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:50:16,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:50:16,192 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:50:16" (1/1) ... [2024-11-16 19:50:16,193 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@414b2312 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:16, skipping insertion in model container [2024-11-16 19:50:16,193 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:50:16" (1/1) ... [2024-11-16 19:50:16,298 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:50:16,634 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_harness_negated.i[4492,4505] [2024-11-16 19:50:16,645 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_harness_negated.i[4552,4565] [2024-11-16 19:50:17,629 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:17,630 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:17,631 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:17,631 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:17,632 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:17,646 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:17,647 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:17,649 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:17,650 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,220 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,221 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:50:18,385 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:50:18,404 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_harness_negated.i[4492,4505] [2024-11-16 19:50:18,405 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_harness_negated.i[4552,4565] [2024-11-16 19:50:18,447 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,448 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,448 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,449 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,449 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,459 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,460 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,461 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,461 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,593 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8237] [2024-11-16 19:50:18,599 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,599 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:50:18,616 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8723-8734] [2024-11-16 19:50:18,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:50:19,054 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:50:19,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19 WrapperNode [2024-11-16 19:50:19,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:50:19,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:50:19,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:50:19,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:50:19,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,165 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,263 INFO L138 Inliner]: procedures = 679, calls = 2631, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 873 [2024-11-16 19:50:19,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:50:19,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:50:19,265 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:50:19,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:50:19,275 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,276 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,288 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,384 INFO L175 MemorySlicer]: Split 562 memory accesses to 6 slices as follows [2, 10, 257, 238, 6, 49]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 5, 0, 6, 0, 8]. The 495 writes are split as follows [0, 1, 257, 232, 2, 3]. [2024-11-16 19:50:19,388 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,391 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,429 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,443 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,473 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:50:19,477 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:50:19,477 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:50:19,477 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:50:19,478 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (1/1) ... [2024-11-16 19:50:19,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:50:19,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:50:19,519 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) [2024-11-16 19:50:19,526 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 [2024-11-16 19:50:19,567 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:50:19,568 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:50:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:50:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:50:19,569 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:50:19,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#0 [2024-11-16 19:50:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#1 [2024-11-16 19:50:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#2 [2024-11-16 19:50:19,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#3 [2024-11-16 19:50:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#4 [2024-11-16 19:50:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real#5 [2024-11-16 19:50:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#0 [2024-11-16 19:50:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#1 [2024-11-16 19:50:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#2 [2024-11-16 19:50:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#3 [2024-11-16 19:50:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#4 [2024-11-16 19:50:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int#5 [2024-11-16 19:50:19,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:50:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:50:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:50:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:50:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:50:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-16 19:50:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:50:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:50:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:50:19,572 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:50:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:50:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-16 19:50:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#0 [2024-11-16 19:50:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#1 [2024-11-16 19:50:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#2 [2024-11-16 19:50:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#3 [2024-11-16 19:50:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#4 [2024-11-16 19:50:19,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy#5 [2024-11-16 19:50:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#0 [2024-11-16 19:50:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#1 [2024-11-16 19:50:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#2 [2024-11-16 19:50:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#3 [2024-11-16 19:50:19,574 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#4 [2024-11-16 19:50:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy#5 [2024-11-16 19:50:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:50:19,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:50:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:50:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:50:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:50:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:50:19,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:50:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:50:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:50:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-16 19:50:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:50:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:50:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:50:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:50:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-16 19:50:19,576 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-16 19:50:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#0 [2024-11-16 19:50:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#1 [2024-11-16 19:50:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#2 [2024-11-16 19:50:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#3 [2024-11-16 19:50:19,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#4 [2024-11-16 19:50:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$#5 [2024-11-16 19:50:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:50:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:50:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:50:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:50:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:50:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-16 19:50:19,577 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:50:19,579 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:50:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:50:19,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:50:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:50:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:50:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:50:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:50:19,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-16 19:50:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_write [2024-11-16 19:50:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_write [2024-11-16 19:50:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:50:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:50:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:50:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:50:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:50:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-16 19:50:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:50:19,581 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:50:19,581 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:50:19,582 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#0 [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#1 [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#2 [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#3 [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#4 [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~real#5 [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:50:19,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:50:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:50:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:50:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:50:19,583 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-16 19:50:19,936 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:50:19,938 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:50:19,971 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:50:19,995 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:50:20,098 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7345: havoc #t~mem678;havoc #t~mem679;havoc #t~short680;havoc #t~mem681.base, #t~mem681.offset;havoc #t~short682;havoc #t~mem683;havoc #t~mem684;havoc #t~mem685;havoc #t~short686;havoc #t~mem687;havoc #t~mem688.base, #t~mem688.offset;havoc #t~short689;havoc #t~short690;havoc #t~short691;havoc #t~short692; [2024-11-16 19:50:20,116 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:50:28,288 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc nondet_size_t_#t~nondet6#1; [2024-11-16 19:50:28,384 INFO L? ?]: Removed 194 outVars from TransFormulas that were not future-live. [2024-11-16 19:50:28,385 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:50:28,404 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:50:28,404 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:50:28,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:50:28 BoogieIcfgContainer [2024-11-16 19:50:28,405 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:50:28,409 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:50:28,409 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:50:28,413 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:50:28,414 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:50:16" (1/3) ... [2024-11-16 19:50:28,417 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ccf4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:50:28, skipping insertion in model container [2024-11-16 19:50:28,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:50:19" (2/3) ... [2024-11-16 19:50:28,418 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34ccf4d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:50:28, skipping insertion in model container [2024-11-16 19:50:28,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:50:28" (3/3) ... [2024-11-16 19:50:28,421 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_write_harness_negated.i [2024-11-16 19:50:28,438 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:50:28,438 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:50:28,514 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:50:28,522 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;@58bff626, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:50:28,523 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:50:28,529 INFO L276 IsEmpty]: Start isEmpty. Operand has 131 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) [2024-11-16 19:50:28,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-16 19:50:28,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:50:28,542 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:50:28,543 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:50:28,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:50:28,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1777889353, now seen corresponding path program 1 times [2024-11-16 19:50:28,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:50:28,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727100745] [2024-11-16 19:50:28,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:50:28,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:51:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:42,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-16 19:51:42,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:42,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:51:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:42,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-11-16 19:51:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:42,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-11-16 19:51:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:42,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:51:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:42,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-16 19:51:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:42,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-16 19:51:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:42,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 19:51:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:42,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-11-16 19:51:42,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:42,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2024-11-16 19:51:42,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:42,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-16 19:51:42,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:51:42,953 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-16 19:51:42,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:51:42,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727100745] [2024-11-16 19:51:42,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727100745] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:51:42,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:51:42,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 19:51:42,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072869205] [2024-11-16 19:51:42,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:51:42,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 19:51:42,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:51:42,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 19:51:42,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:51:42,985 INFO L87 Difference]: Start difference. First operand has 131 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (32), 32 states have call predecessors, (32), 32 states have call successors, (32) Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-16 19:51:47,163 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:51:49,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:51:49,263 INFO L93 Difference]: Finished difference Result 258 states and 366 transitions. [2024-11-16 19:51:49,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 19:51:49,267 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) Word has length 77 [2024-11-16 19:51:49,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:51:49,277 INFO L225 Difference]: With dead ends: 258 [2024-11-16 19:51:49,277 INFO L226 Difference]: Without dead ends: 125 [2024-11-16 19:51:49,284 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:51:49,288 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 70 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 22 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2024-11-16 19:51:49,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 134 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 104 Invalid, 1 Unknown, 0 Unchecked, 6.2s Time] [2024-11-16 19:51:49,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-16 19:51:49,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-16 19:51:49,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 82 states have (on average 1.2560975609756098) internal successors, (103), 83 states have internal predecessors, (103), 32 states have call successors, (32), 10 states have call predecessors, (32), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-16 19:51:49,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 166 transitions. [2024-11-16 19:51:49,353 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 166 transitions. Word has length 77 [2024-11-16 19:51:49,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:51:49,354 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 166 transitions. [2024-11-16 19:51:49,354 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 2 states have call successors, (12), 3 states have call predecessors, (12), 2 states have return successors, (10), 1 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-16 19:51:49,355 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 166 transitions. [2024-11-16 19:51:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2024-11-16 19:51:49,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:51:49,358 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-16 19:51:49,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:51:49,358 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:51:49,359 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:51:49,359 INFO L85 PathProgramCache]: Analyzing trace with hash 1555625652, now seen corresponding path program 1 times [2024-11-16 19:51:49,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:51:49,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109625536] [2024-11-16 19:51:49,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:51:49,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms