./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_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 782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 10:50:44,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 10:50:44,460 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 10:50:44,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 10:50:44,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 10:50:44,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 10:50:44,489 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 10:50:44,489 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 10:50:44,490 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 10:50:44,491 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 10:50:44,492 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 10:50:44,492 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 10:50:44,492 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 10:50:44,492 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 10:50:44,494 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 10:50:44,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 10:50:44,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 10:50:44,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 10:50:44,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 10:50:44,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 10:50:44,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 10:50:44,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 10:50:44,496 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 10:50:44,496 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 10:50:44,496 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 10:50:44,496 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 10:50:44,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 10:50:44,497 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 10:50:44,497 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 10:50:44,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:50:44,497 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 10:50:44,497 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 10:50:44,498 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 10:50:44,498 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 10:50:44,498 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 10:50:44,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 10:50:44,498 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 10:50:44,498 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 10:50:44,499 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 10:50:44,499 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74 [2024-11-10 10:50:44,740 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 10:50:44,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 10:50:44,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 10:50:44,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 10:50:44,766 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 10:50:44,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i [2024-11-10 10:50:45,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 10:50:46,323 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 10:50:46,323 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i [2024-11-10 10:50:46,360 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/446c0f467/a91d44120c314aadb6a139ce80104509/FLAGfaa42761c [2024-11-10 10:50:46,480 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/446c0f467/a91d44120c314aadb6a139ce80104509 [2024-11-10 10:50:46,482 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 10:50:46,483 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 10:50:46,483 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 10:50:46,484 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 10:50:46,487 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 10:50:46,488 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:50:46" (1/1) ... [2024-11-10 10:50:46,489 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36d83b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:46, skipping insertion in model container [2024-11-10 10:50:46,489 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:50:46" (1/1) ... [2024-11-10 10:50:46,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 10:50:46,810 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_secure_zero_harness.i[4498,4511] [2024-11-10 10:50:46,818 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_secure_zero_harness.i[4558,4571] [2024-11-10 10:50:47,428 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:47,432 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:47,432 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:47,433 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:47,433 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:47,450 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:47,452 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:47,454 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:47,455 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:47,965 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:47,969 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:48,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:50:48,088 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 10:50:48,099 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i[4498,4511] [2024-11-10 10:50:48,100 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_secure_zero_harness.i[4558,4571] [2024-11-10 10:50:48,129 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:48,130 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:48,130 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:48,130 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:48,131 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:48,136 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:48,136 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:48,137 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:48,137 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:48,340 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-10 10:50:48,349 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:48,349 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 10:50:48,358 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-10 10:50:48,368 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 10:50:48,543 INFO L204 MainTranslator]: Completed translation [2024-11-10 10:50:48,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48 WrapperNode [2024-11-10 10:50:48,544 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 10:50:48,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 10:50:48,545 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 10:50:48,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 10:50:48,551 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48" (1/1) ... [2024-11-10 10:50:48,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48" (1/1) ... [2024-11-10 10:50:48,693 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2024-11-10 10:50:48,696 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 10:50:48,697 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 10:50:48,697 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 10:50:48,697 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 10:50:48,705 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48" (1/1) ... [2024-11-10 10:50:48,705 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48" (1/1) ... [2024-11-10 10:50:48,712 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48" (1/1) ... [2024-11-10 10:50:48,771 INFO L175 MemorySlicer]: Split 527 memory accesses to 5 slices as follows [2, 257, 238, 7, 23]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 5, 4]. The 493 writes are split as follows [0, 257, 232, 1, 3]. [2024-11-10 10:50:48,771 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48" (1/1) ... [2024-11-10 10:50:48,771 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48" (1/1) ... [2024-11-10 10:50:48,791 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48" (1/1) ... [2024-11-10 10:50:48,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48" (1/1) ... [2024-11-10 10:50:48,796 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48" (1/1) ... [2024-11-10 10:50:48,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48" (1/1) ... [2024-11-10 10:50:48,810 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 10:50:48,811 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 10:50:48,811 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 10:50:48,811 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 10:50:48,812 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48" (1/1) ... [2024-11-10 10:50:48,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 10:50:48,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 10:50:48,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-10 10:50:48,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-10 10:50:48,880 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-10 10:50:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-10 10:50:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 10:50:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 10:50:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 10:50:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 10:50:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 10:50:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 10:50:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 10:50:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 10:50:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 10:50:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 10:50:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 10:50:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 10:50:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 10:50:48,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 10:50:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 10:50:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-10 10:50:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-10 10:50:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 10:50:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 10:50:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 10:50:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 10:50:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 10:50:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 10:50:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 10:50:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 10:50:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 10:50:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 10:50:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 10:50:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 10:50:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 10:50:48,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 10:50:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 10:50:48,883 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 10:50:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 10:50:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-10 10:50:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-10 10:50:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 10:50:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 10:50:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 10:50:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 10:50:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 10:50:48,884 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-10 10:50:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-10 10:50:48,885 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-10 10:50:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-10 10:50:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 10:50:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 10:50:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 10:50:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 10:50:48,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 10:50:49,133 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 10:50:49,135 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 10:50:49,166 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-10 10:50:49,168 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-10 10:50:49,175 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret656.base, #t~ret656.offset; [2024-11-10 10:50:49,222 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7399: havoc #t~mem681;havoc #t~mem682;havoc #t~short683;havoc #t~mem684.base, #t~mem684.offset;havoc #t~short685;havoc #t~mem686;havoc #t~mem687;havoc #t~mem688;havoc #t~short689;havoc #t~mem690;havoc #t~mem691.base, #t~mem691.offset;havoc #t~short692;havoc #t~short693;havoc #t~short694;havoc #t~short695; [2024-11-10 10:50:49,233 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 10:50:55,886 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-10 10:50:55,932 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-10 10:50:55,933 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 10:50:55,945 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 10:50:55,946 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 10:50:55,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:50:55 BoogieIcfgContainer [2024-11-10 10:50:55,946 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 10:50:55,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 10:50:55,948 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 10:50:55,951 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 10:50:55,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:50:46" (1/3) ... [2024-11-10 10:50:55,952 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c741e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:50:55, skipping insertion in model container [2024-11-10 10:50:55,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:50:48" (2/3) ... [2024-11-10 10:50:55,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48c741e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:50:55, skipping insertion in model container [2024-11-10 10:50:55,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 10:50:55" (3/3) ... [2024-11-10 10:50:55,954 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness.i [2024-11-10 10:50:55,967 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 10:50:55,967 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 10:50:56,030 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 10:50:56,037 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;@81749aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 10:50:56,037 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 10:50:56,042 INFO L276 IsEmpty]: Start isEmpty. Operand has 105 states, 72 states have (on average 1.2222222222222223) internal successors, (88), 73 states have internal predecessors, (88), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-11-10 10:50:56,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 10:50:56,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:50:56,053 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:50:56,054 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:50:56,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:50:56,058 INFO L85 PathProgramCache]: Analyzing trace with hash -1813845833, now seen corresponding path program 1 times [2024-11-10 10:50:56,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:50:56,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790144867] [2024-11-10 10:50:56,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:50:56,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 10:52:10,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:11,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 10:52:11,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:11,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 10:52:11,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:11,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-10 10:52:11,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:11,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 10:52:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:11,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 10:52:11,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:11,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-10 10:52:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:11,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-10 10:52:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:11,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-10 10:52:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:11,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-10 10:52:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 10:52:11,414 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-10 10:52:11,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 10:52:11,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790144867] [2024-11-10 10:52:11,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790144867] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 10:52:11,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 10:52:11,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 10:52:11,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695844297] [2024-11-10 10:52:11,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 10:52:11,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 10:52:11,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 10:52:11,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 10:52:11,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:52:11,446 INFO L87 Difference]: Start difference. First operand has 105 states, 72 states have (on average 1.2222222222222223) internal successors, (88), 73 states have internal predecessors, (88), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 10:52:15,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 10:52:17,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 10:52:17,304 INFO L93 Difference]: Finished difference Result 205 states and 268 transitions. [2024-11-10 10:52:17,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 10:52:17,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) Word has length 65 [2024-11-10 10:52:17,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 10:52:17,313 INFO L225 Difference]: With dead ends: 205 [2024-11-10 10:52:17,313 INFO L226 Difference]: Without dead ends: 99 [2024-11-10 10:52:17,315 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 10:52:17,320 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 66 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2024-11-10 10:52:17,321 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 74 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 89 Invalid, 1 Unknown, 0 Unchecked, 5.8s Time] [2024-11-10 10:52:17,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-10 10:52:17,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-10 10:52:17,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 67 states have (on average 1.1940298507462686) internal successors, (80), 68 states have internal predecessors, (80), 21 states have call successors, (21), 10 states have call predecessors, (21), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-10 10:52:17,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions. [2024-11-10 10:52:17,353 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 65 [2024-11-10 10:52:17,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 10:52:17,353 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions. [2024-11-10 10:52:17,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (9), 1 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-10 10:52:17,353 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2024-11-10 10:52:17,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-10 10:52:17,355 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 10:52:17,355 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 10:52:17,356 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 10:52:17,356 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 10:52:17,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 10:52:17,356 INFO L85 PathProgramCache]: Analyzing trace with hash 899468083, now seen corresponding path program 1 times [2024-11-10 10:52:17,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 10:52:17,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596269585] [2024-11-10 10:52:17,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 10:52:17,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms