./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_c_str_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_c_str_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 2db61bc8caac695a597c69165a9f1c31e5d6287353b2f48b5d9e2ea54ecf275c --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:08:45,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:08:45,840 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:08:45,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:08:45,848 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:08:45,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:08:45,880 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:08:45,880 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:08:45,881 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:08:45,882 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:08:45,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:08:45,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:08:45,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:08:45,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:08:45,885 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:08:45,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:08:45,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:08:45,890 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:08:45,890 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:08:45,890 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:08:45,890 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:08:45,891 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:08:45,891 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:08:45,891 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:08:45,892 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:08:45,892 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:08:45,892 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:08:45,892 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:08:45,893 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:08:45,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:08:45,893 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:08:45,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:08:45,894 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:08:45,894 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:08:45,894 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:08:45,896 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:08:45,896 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:08:45,896 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:08:45,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:08:45,897 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2db61bc8caac695a597c69165a9f1c31e5d6287353b2f48b5d9e2ea54ecf275c [2024-11-09 03:08:46,201 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:08:46,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:08:46,227 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:08:46,228 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:08:46,229 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:08:46,230 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_c_str_harness.i [2024-11-09 03:08:47,686 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:08:48,185 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:08:48,186 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_cursor_eq_c_str_harness.i [2024-11-09 03:08:48,240 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a176e10d1/c26d8fa759a445f09708acaff193a0c7/FLAGf2aba5bb2 [2024-11-09 03:08:48,260 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a176e10d1/c26d8fa759a445f09708acaff193a0c7 [2024-11-09 03:08:48,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:08:48,265 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:08:48,267 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:08:48,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:08:48,273 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:08:48,274 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:08:48" (1/1) ... [2024-11-09 03:08:48,275 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b717408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:48, skipping insertion in model container [2024-11-09 03:08:48,275 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:08:48" (1/1) ... [2024-11-09 03:08:48,382 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:08:48,703 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_eq_c_str_harness.i[4498,4511] [2024-11-09 03:08:48,715 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_eq_c_str_harness.i[4558,4571] [2024-11-09 03:08:49,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:49,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:49,534 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:49,535 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:49,536 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:49,561 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:49,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:49,564 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:49,565 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:08:50,592 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:08:50,606 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_eq_c_str_harness.i[4498,4511] [2024-11-09 03:08:50,607 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_eq_c_str_harness.i[4558,4571] [2024-11-09 03:08:50,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,656 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,657 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,664 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,665 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,665 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,776 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8277] [2024-11-09 03:08:50,780 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,781 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:08:50,794 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8763-8774] [2024-11-09 03:08:50,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:08:51,078 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:08:51,079 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51 WrapperNode [2024-11-09 03:08:51,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:08:51,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:08:51,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:08:51,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:08:51,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51" (1/1) ... [2024-11-09 03:08:51,239 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51" (1/1) ... [2024-11-09 03:08:51,329 INFO L138 Inliner]: procedures = 680, calls = 2625, calls flagged for inlining = 63, calls inlined = 9, statements flattened = 863 [2024-11-09 03:08:51,330 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:08:51,330 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:08:51,331 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:08:51,331 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:08:51,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51" (1/1) ... [2024-11-09 03:08:51,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51" (1/1) ... [2024-11-09 03:08:51,361 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51" (1/1) ... [2024-11-09 03:08:51,454 INFO L175 MemorySlicer]: Split 538 memory accesses to 7 slices as follows [2, 257, 8, 22, 238, 6, 5]. 48 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 0, 0, 2, 6, 0, 5]. The 492 writes are split as follows [0, 257, 0, 1, 232, 2, 0]. [2024-11-09 03:08:51,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51" (1/1) ... [2024-11-09 03:08:51,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51" (1/1) ... [2024-11-09 03:08:51,508 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51" (1/1) ... [2024-11-09 03:08:51,516 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51" (1/1) ... [2024-11-09 03:08:51,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51" (1/1) ... [2024-11-09 03:08:51,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51" (1/1) ... [2024-11-09 03:08:51,548 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:08:51,549 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:08:51,549 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:08:51,549 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:08:51,550 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51" (1/1) ... [2024-11-09 03:08:51,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:08:51,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:08:51,592 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:08:51,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:08:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2024-11-09 03:08:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2024-11-09 03:08:51,646 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-09 03:08:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-09 03:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:08:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:08:51,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-09 03:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:08:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-09 03:08:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:08:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:08:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:08:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:08:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 03:08:51,649 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 03:08:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:08:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:08:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:08:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:08:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:08:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:08:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-09 03:08:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:08:51,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:08:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:08:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:08:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:08:51,654 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:08:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:08:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:08:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:08:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:08:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:08:51,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:08:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-09 03:08:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:08:51,656 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:08:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:08:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:08:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:08:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:08:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:08:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:08:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:08:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-09 03:08:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:08:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:08:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:08:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:08:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:08:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:08:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-09 03:08:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:08:51,659 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:08:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:08:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:08:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:08:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:08:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:08:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:08:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-09 03:08:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:08:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:08:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:08:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:08:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:08:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:08:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-09 03:08:52,027 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:08:52,029 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:09:00,111 INFO L? ?]: Removed 102 outVars from TransFormulas that were not future-live. [2024-11-09 03:09:00,112 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:09:00,128 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:09:00,128 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:09:00,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:09:00 BoogieIcfgContainer [2024-11-09 03:09:00,129 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:09:00,131 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:09:00,131 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:09:00,135 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:09:00,135 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:08:48" (1/3) ... [2024-11-09 03:09:00,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5952fe54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:09:00, skipping insertion in model container [2024-11-09 03:09:00,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:08:51" (2/3) ... [2024-11-09 03:09:00,136 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5952fe54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:09:00, skipping insertion in model container [2024-11-09 03:09:00,136 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:09:00" (3/3) ... [2024-11-09 03:09:00,138 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_eq_c_str_harness.i [2024-11-09 03:09:00,155 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:09:00,156 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:09:00,232 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:09:00,239 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;@91fdfa8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:09:00,239 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:09:00,244 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 79 states have (on average 1.2531645569620253) internal successors, (99), 81 states have internal predecessors, (99), 31 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 03:09:00,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 03:09:00,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:09:00,259 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:09:00,260 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:09:00,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:09:00,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1360230449, now seen corresponding path program 1 times [2024-11-09 03:09:00,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:09:00,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548415877] [2024-11-09 03:09:00,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:09:00,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:10:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:16,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:10:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:16,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:10:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:16,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:10:16,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:16,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:10:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 03:10:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 03:10:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:10:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-09 03:10:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2024-11-09 03:10:17,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-11-09 03:10:17,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-09 03:10:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-09 03:10:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-09 03:10:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-09 03:10:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2024-11-09 03:10:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:10:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:10:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-09 03:10:17,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:10:17,375 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-09 03:10:17,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:10:17,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548415877] [2024-11-09 03:10:17,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548415877] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:10:17,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:10:17,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:10:17,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537715253] [2024-11-09 03:10:17,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:10:17,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:10:17,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:10:17,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:10:17,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:10:17,417 INFO L87 Difference]: Start difference. First operand has 121 states, 79 states have (on average 1.2531645569620253) internal successors, (99), 81 states have internal predecessors, (99), 31 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 03:10:21,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 03:10:24,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:10:24,219 INFO L93 Difference]: Finished difference Result 239 states and 342 transitions. [2024-11-09 03:10:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 03:10:24,222 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 114 [2024-11-09 03:10:24,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:10:24,231 INFO L225 Difference]: With dead ends: 239 [2024-11-09 03:10:24,231 INFO L226 Difference]: Without dead ends: 118 [2024-11-09 03:10:24,234 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 03:10:24,237 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 106 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 69 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2024-11-09 03:10:24,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 174 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 128 Invalid, 1 Unknown, 0 Unchecked, 6.5s Time] [2024-11-09 03:10:24,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-11-09 03:10:24,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 116. [2024-11-09 03:10:24,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 75 states have (on average 1.2133333333333334) internal successors, (91), 76 states have internal predecessors, (91), 31 states have call successors, (31), 9 states have call predecessors, (31), 9 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-09 03:10:24,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 152 transitions. [2024-11-09 03:10:24,287 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 152 transitions. Word has length 114 [2024-11-09 03:10:24,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:10:24,288 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 152 transitions. [2024-11-09 03:10:24,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (19), 4 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-09 03:10:24,289 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 152 transitions. [2024-11-09 03:10:24,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-09 03:10:24,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:10:24,292 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:10:24,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:10:24,292 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:10:24,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:10:24,293 INFO L85 PathProgramCache]: Analyzing trace with hash 509490785, now seen corresponding path program 1 times [2024-11-09 03:10:24,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:10:24,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320847242] [2024-11-09 03:10:24,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:10:24,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms