./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f4ea1bf819896c6e25ef3f7fb1779a7e8667d9fd31f879e3224eef1df9a587fe --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-16 19:48:14,812 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 19:48:14,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-16 19:48:14,896 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 19:48:14,897 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 19:48:14,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 19:48:14,960 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 19:48:14,960 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 19:48:14,961 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-16 19:48:14,962 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-16 19:48:14,963 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 19:48:14,963 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 19:48:14,964 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 19:48:14,966 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 19:48:14,966 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 19:48:14,966 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 19:48:14,967 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 19:48:14,967 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 19:48:14,967 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 19:48:14,967 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 19:48:14,968 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 19:48:14,970 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 19:48:14,971 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-16 19:48:14,971 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 19:48:14,971 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 19:48:14,971 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-16 19:48:14,972 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 19:48:14,972 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-16 19:48:14,972 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 19:48:14,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:48:14,973 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 19:48:14,973 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 19:48:14,973 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 19:48:14,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 19:48:14,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 19:48:14,974 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 19:48:14,974 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-16 19:48:14,974 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-16 19:48:14,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-16 19:48:14,975 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4ea1bf819896c6e25ef3f7fb1779a7e8667d9fd31f879e3224eef1df9a587fe [2024-11-16 19:48:15,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 19:48:15,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 19:48:15,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 19:48:15,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 19:48:15,242 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 19:48:15,243 INFO L431 ainManager$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_negated.i [2024-11-16 19:48:16,626 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 19:48:17,071 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 19:48:17,072 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_secure_zero_harness_negated.i [2024-11-16 19:48:17,112 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/037efd2dd/3a85c47f25784651aae1fb9d05792078/FLAG43d068819 [2024-11-16 19:48:17,129 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/037efd2dd/3a85c47f25784651aae1fb9d05792078 [2024-11-16 19:48:17,132 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 19:48:17,134 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-16 19:48:17,136 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 19:48:17,136 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 19:48:17,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 19:48:17,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:48:17" (1/1) ... [2024-11-16 19:48:17,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1de441e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:17, skipping insertion in model container [2024-11-16 19:48:17,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:48:17" (1/1) ... [2024-11-16 19:48:17,241 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 19:48:17,531 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_negated.i[4498,4511] [2024-11-16 19:48:17,539 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_negated.i[4558,4571] [2024-11-16 19:48:18,175 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:18,176 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:18,177 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:18,177 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:18,178 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:18,191 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:18,192 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:18,194 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:18,195 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:18,831 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:18,832 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:18,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:48:18,997 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 19:48:19,014 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_negated.i[4498,4511] [2024-11-16 19:48:19,017 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_negated.i[4558,4571] [2024-11-16 19:48:19,065 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:19,066 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:19,068 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:19,068 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:19,069 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:19,076 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:19,079 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:19,080 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:19,081 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:19,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-16 19:48:19,215 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:19,216 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-16 19:48:19,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-16 19:48:19,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 19:48:19,483 INFO L204 MainTranslator]: Completed translation [2024-11-16 19:48:19,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19 WrapperNode [2024-11-16 19:48:19,483 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 19:48:19,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 19:48:19,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 19:48:19,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 19:48:19,492 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19" (1/1) ... [2024-11-16 19:48:19,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19" (1/1) ... [2024-11-16 19:48:19,674 INFO L138 Inliner]: procedures = 680, calls = 2612, calls flagged for inlining = 60, calls inlined = 8, statements flattened = 803 [2024-11-16 19:48:19,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 19:48:19,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 19:48:19,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 19:48:19,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 19:48:19,691 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19" (1/1) ... [2024-11-16 19:48:19,691 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19" (1/1) ... [2024-11-16 19:48:19,702 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19" (1/1) ... [2024-11-16 19:48:19,786 INFO L175 MemorySlicer]: Split 527 memory accesses to 5 slices as follows [2, 257, 238, 23, 7]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 3, 1]. [2024-11-16 19:48:19,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19" (1/1) ... [2024-11-16 19:48:19,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19" (1/1) ... [2024-11-16 19:48:19,828 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19" (1/1) ... [2024-11-16 19:48:19,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19" (1/1) ... [2024-11-16 19:48:19,840 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19" (1/1) ... [2024-11-16 19:48:19,849 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19" (1/1) ... [2024-11-16 19:48:19,861 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 19:48:19,865 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-16 19:48:19,865 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-16 19:48:19,865 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-16 19:48:19,866 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19" (1/1) ... [2024-11-16 19:48:19,872 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-16 19:48:19,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-16 19:48:19,901 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 19:48:19,904 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 19:48:19,948 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-16 19:48:19,950 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-16 19:48:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-16 19:48:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-16 19:48:19,951 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-16 19:48:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-16 19:48:19,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-16 19:48:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-16 19:48:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-16 19:48:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-16 19:48:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-16 19:48:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-16 19:48:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-16 19:48:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-16 19:48:19,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-16 19:48:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-16 19:48:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-16 19:48:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_secure_zero [2024-11-16 19:48:19,953 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_secure_zero [2024-11-16 19:48:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 19:48:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 19:48:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-16 19:48:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-16 19:48:19,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-16 19:48:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-16 19:48:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-16 19:48:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 19:48:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 19:48:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-16 19:48:19,954 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-16 19:48:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-16 19:48:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-16 19:48:19,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-16 19:48:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-16 19:48:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-16 19:48:19,955 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-16 19:48:19,955 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-16 19:48:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-16 19:48:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-16 19:48:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-16 19:48:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-16 19:48:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-16 19:48:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-16 19:48:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-16 19:48:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-16 19:48:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-16 19:48:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-16 19:48:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-16 19:48:19,956 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-16 19:48:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-16 19:48:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-16 19:48:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-16 19:48:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-16 19:48:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-16 19:48:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-16 19:48:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-16 19:48:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-16 19:48:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-16 19:48:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-16 19:48:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-16 19:48:19,957 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-16 19:48:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-16 19:48:19,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-16 19:48:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-16 19:48:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-16 19:48:19,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-16 19:48:20,278 INFO L256 CfgBuilder]: Building ICFG [2024-11-16 19:48:20,280 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 19:48:20,326 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6874: havoc #t~malloc557.base, #t~malloc557.offset; [2024-11-16 19:48:20,329 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L266: havoc #t~nondet9; [2024-11-16 19:48:20,338 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7310: havoc #t~ret656.base, #t~ret656.offset; [2024-11-16 19:48:20,390 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L7367: 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 19:48:20,416 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-16 19:48:28,014 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L6588: havoc aws_byte_buf_is_bounded_#t~mem477#1; [2024-11-16 19:48:28,070 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2024-11-16 19:48:28,071 INFO L307 CfgBuilder]: Performing block encoding [2024-11-16 19:48:28,085 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 19:48:28,085 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-16 19:48:28,086 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:48:28 BoogieIcfgContainer [2024-11-16 19:48:28,086 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-16 19:48:28,088 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 19:48:28,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 19:48:28,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 19:48:28,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:48:17" (1/3) ... [2024-11-16 19:48:28,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:48:28, skipping insertion in model container [2024-11-16 19:48:28,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:48:19" (2/3) ... [2024-11-16 19:48:28,094 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da354 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:48:28, skipping insertion in model container [2024-11-16 19:48:28,094 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 16.11 07:48:28" (3/3) ... [2024-11-16 19:48:28,095 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_secure_zero_harness_negated.i [2024-11-16 19:48:28,111 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 19:48:28,111 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-16 19:48:28,170 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-16 19:48:28,176 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;@1f9158bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 19:48:28,178 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-16 19:48:28,182 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 19:48:28,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 19:48:28,191 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:48:28,191 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 19:48:28,192 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:48:28,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:48:28,197 INFO L85 PathProgramCache]: Analyzing trace with hash -1813845833, now seen corresponding path program 1 times [2024-11-16 19:48:28,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:48:28,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651553559] [2024-11-16 19:48:28,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:48:28,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 19:49:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:47,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-16 19:49:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:47,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-16 19:49:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:47,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-16 19:49:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:47,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-16 19:49:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:47,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-16 19:49:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:47,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-16 19:49:47,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:47,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-16 19:49:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:47,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-16 19:49:47,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:47,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-16 19:49:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 19:49:47,634 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 19:49:47,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 19:49:47,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651553559] [2024-11-16 19:49:47,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651553559] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 19:49:47,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 19:49:47,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-16 19:49:47,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403245372] [2024-11-16 19:49:47,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 19:49:47,646 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-16 19:49:47,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 19:49:47,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-16 19:49:47,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-16 19:49:47,672 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 19:49:51,864 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-16 19:49:53,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-16 19:49:53,637 INFO L93 Difference]: Finished difference Result 205 states and 268 transitions. [2024-11-16 19:49:53,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-16 19:49:53,641 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 19:49:53,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-16 19:49:53,649 INFO L225 Difference]: With dead ends: 205 [2024-11-16 19:49:53,649 INFO L226 Difference]: Without dead ends: 99 [2024-11-16 19:49:53,653 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 19:49:53,656 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 19:49:53,657 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 19:49:53,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-16 19:49:53,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-16 19:49:53,697 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 19:49:53,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 121 transitions. [2024-11-16 19:49:53,701 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 121 transitions. Word has length 65 [2024-11-16 19:49:53,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-16 19:49:53,702 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 121 transitions. [2024-11-16 19:49:53,702 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 19:49:53,702 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 121 transitions. [2024-11-16 19:49:53,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-16 19:49:53,705 INFO L207 NwaCegarLoop]: Found error trace [2024-11-16 19:49:53,705 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 19:49:53,706 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 19:49:53,706 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-16 19:49:53,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 19:49:53,706 INFO L85 PathProgramCache]: Analyzing trace with hash 899468083, now seen corresponding path program 1 times [2024-11-16 19:49:53,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 19:49:53,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818048600] [2024-11-16 19:49:53,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 19:49:53,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms