./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 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_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-3289d67-m [2024-11-16 19:47:53,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:47:53,491 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:47:53,496 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:47:53,497 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:47:53,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:47:53,518 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:47:53,519 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:47:53,519 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:47:53,519 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:47:53,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:47:53,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:47:53,520 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:47:53,521 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:47:53,521 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:47:53,521 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:47:53,521 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:47:53,522 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:47:53,522 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:47:53,522 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:47:53,522 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:47:53,523 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:47:53,523 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:47:53,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:47:53,523 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:47:53,524 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:47:53,524 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:47:53,524 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:47:53,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:47:53,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:47:53,525 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:47:53,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:47:53,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:47:53,525 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:47:53,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:47:53,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:47:53,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:47:53,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:47:53,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:47:53,526 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 782fd2cac949c854414786123523f29c509be80549f991a33d6f4fb3fd496f74 [2024-11-16 19:47:53,708 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:47:53,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:47:53,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:47:53,734 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:47:53,734 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:47:53,735 INFO L431 ainManager$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 [2024-11-16 19:47:55,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:47:55,400 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:47:55,402 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness.i [2024-11-16 19:47:55,436 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d40ba2830/993cf122a33a41dc9f01d70fa90f202a/FLAGb2a2e70c8 [2024-11-16 19:47:55,449 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d40ba2830/993cf122a33a41dc9f01d70fa90f202a [2024-11-16 19:47:55,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:47:55,455 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:47:55,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:47:55,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:47:55,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:47:55,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:47:55" (1/1) ... [2024-11-16 19:47:55,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@296820bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:55, skipping insertion in model container [2024-11-16 19:47:55,463 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:47:55" (1/1) ... [2024-11-16 19:47:55,582 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:47:55,761 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] [2024-11-16 19:47:55,769 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] [2024-11-16 19:47:56,250 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,251 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,251 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,252 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,252 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,265 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,266 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,267 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,267 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,686 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,689 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:47:56,787 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:47:56,799 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] [2024-11-16 19:47:56,803 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] [2024-11-16 19:47:56,834 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,835 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,835 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,836 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,836 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,842 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,843 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,846 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,846 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,987 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8291] [2024-11-16 19:47:56,989 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:56,990 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:47:57,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8777-8788] [2024-11-16 19:47:57,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:47:57,226 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:47:57,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57 WrapperNode [2024-11-16 19:47:57,226 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:47:57,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:47:57,228 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:47:57,228 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:47:57,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57" (1/1) ... [2024-11-16 19:47:57,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57" (1/1) ... [2024-11-16 19:47:57,402 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2024-11-16 19:47:57,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:47:57,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:47:57,404 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:47:57,404 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:47:57,412 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57" (1/1) ... [2024-11-16 19:47:57,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57" (1/1) ... [2024-11-16 19:47:57,423 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57" (1/1) ... [2024-11-16 19:47:57,482 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]. [2024-11-16 19:47:57,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57" (1/1) ... [2024-11-16 19:47:57,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57" (1/1) ... [2024-11-16 19:47:57,508 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57" (1/1) ... [2024-11-16 19:47:57,510 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57" (1/1) ... [2024-11-16 19:47:57,516 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57" (1/1) ... [2024-11-16 19:47:57,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57" (1/1) ... [2024-11-16 19:47:57,533 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:47:57,534 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:47:57,534 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:47:57,534 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:47:57,535 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57" (1/1) ... [2024-11-16 19:47:57,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:47:57,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:47:57,566 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 19:47:57,570 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 19:47:57,606 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:47:57,608 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:47:57,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:47:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:47:57,609 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:47:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:47:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:47:57,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:47:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:47:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:47:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:47:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:47:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:47:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:47:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:47:57,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:47:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:47:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-16 19:47:57,611 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-16 19:47:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:47:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:47:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:47:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:47:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:47:57,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:47:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:47:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:47:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:47:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:47:57,612 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:47:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:47:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:47:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:47:57,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:47:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:47:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:47:57,613 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:47:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:47:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:47:57,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:47:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:47:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:47:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:47:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:47:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:47:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:47:57,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:47:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:47:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:47:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:47:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:47:57,615 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:47:57,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:47:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:47:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:47:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:47:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:47:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-16 19:47:57,616 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-16 19:47:57,616 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-16 19:47:57,617 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-16 19:47:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:47:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:47:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:47:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:47:57,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:47:57,875 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:47:57,876 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:47:57,906 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6886: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:47:57,909 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:47:57,916 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7342: havoc #t~ret656.base, #t~ret656.offset; [2024-11-16 19:47:57,964 INFO L1250 $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; [2024-11-16 19:47:57,973 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:48:04,748 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6600: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-16 19:48:04,784 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-16 19:48:04,784 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:48:04,793 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:48:04,793 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:48:04,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:48:04 BoogieIcfgContainer [2024-11-16 19:48:04,794 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:48:04,795 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:48:04,795 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:48:04,797 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:48:04,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:47:55" (1/3) ... [2024-11-16 19:48:04,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1844165f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:48:04, skipping insertion in model container [2024-11-16 19:48:04,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:47:57" (2/3) ... [2024-11-16 19:48:04,798 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1844165f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:48:04, skipping insertion in model container [2024-11-16 19:48:04,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:48:04" (3/3) ... [2024-11-16 19:48:04,799 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness.i [2024-11-16 19:48:04,810 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:48:04,810 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:48:04,856 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:48:04,861 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;@26afb4c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:48:04,861 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:48:04,864 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) [2024-11-16 19:48:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 19:48:04,871 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:48:04,872 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] [2024-11-16 19:48:04,872 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:48:04,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:48:04,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1813845833, now seen corresponding path program 1 times [2024-11-16 19:48:04,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:48:04,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990617697] [2024-11-16 19:48:04,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:48:04,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:49:25,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:25,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:49:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:25,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:49:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:26,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-16 19:49:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:26,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:49:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:26,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 19:49:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:26,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 19:49:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:26,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 19:49:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:26,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 19:49:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:26,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 19:49:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:26,111 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-16 19:49:26,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:49:26,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990617697] [2024-11-16 19:49:26,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990617697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:49:26,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:49:26,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 19:49:26,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783715383] [2024-11-16 19:49:26,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:49:26,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 19:49:26,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:49:26,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 19:49:26,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:49:26,138 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) [2024-11-16 19:49:30,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:49:32,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:49:32,150 INFO L93 Difference]: Finished difference Result 205 states and 268 transitions. [2024-11-16 19:49:32,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 19:49:32,152 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 [2024-11-16 19:49:32,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:49:32,158 INFO L225 Difference]: With dead ends: 205 [2024-11-16 19:49:32,158 INFO L226 Difference]: Without dead ends: 99 [2024-11-16 19:49:32,161 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 [2024-11-16 19:49:32,163 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 66 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 14 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s 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, 5.9s IncrementalHoareTripleChecker+Time [2024-11-16 19:49:32,163 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 74 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 89 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-16 19:49:32,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-16 19:49:32,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-16 19:49:32,191 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) [2024-11-16 19:49:32,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions. [2024-11-16 19:49:32,194 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 65 [2024-11-16 19:49:32,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:49:32,194 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions. [2024-11-16 19:49:32,194 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) [2024-11-16 19:49:32,195 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2024-11-16 19:49:32,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 19:49:32,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:49:32,197 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] [2024-11-16 19:49:32,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:49:32,197 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:49:32,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:49:32,198 INFO L85 PathProgramCache]: Analyzing trace with hash 899468083, now seen corresponding path program 1 times [2024-11-16 19:49:32,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:49:32,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279804406] [2024-11-16 19:49:32,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:49:32,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms