./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_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 c974750d72dbbdcad43b6c780cc7a00626a484b6d2da67e96b9032eaa6e0f23d --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:21:38,091 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:21:38,186 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:21:38,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:21:38,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:21:38,223 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:21:38,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:21:38,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:21:38,225 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:21:38,226 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:21:38,226 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:21:38,227 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:21:38,227 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:21:38,228 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:21:38,229 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:21:38,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:21:38,230 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:21:38,230 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:21:38,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:21:38,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:21:38,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:21:38,235 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:21:38,235 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:21:38,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:21:38,235 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:21:38,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:21:38,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:21:38,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:21:38,237 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:21:38,237 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:21:38,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:21:38,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:21:38,238 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:21:38,238 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:21:38,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:21:38,238 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:21:38,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:21:38,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:21:38,240 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:21:38,240 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c974750d72dbbdcad43b6c780cc7a00626a484b6d2da67e96b9032eaa6e0f23d [2024-11-09 03:21:38,512 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:21:38,539 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:21:38,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:21:38,544 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:21:38,545 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:21:38,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i [2024-11-09 03:21:40,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:21:40,565 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:21:40,566 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_eq_byte_buf_harness_negated.i [2024-11-09 03:21:40,618 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ecfe53b1/028ff939e39c42e29cbe435e96d9c84a/FLAGb443266bf [2024-11-09 03:21:40,635 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ecfe53b1/028ff939e39c42e29cbe435e96d9c84a [2024-11-09 03:21:40,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:21:40,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:21:40,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:21:40,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:21:40,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:21:40,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:21:40" (1/1) ... [2024-11-09 03:21:40,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1000a416 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:40, skipping insertion in model container [2024-11-09 03:21:40,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:21:40" (1/1) ... [2024-11-09 03:21:40,761 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:21:41,172 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_string_eq_byte_buf_harness_negated.i[4496,4509] [2024-11-09 03:21:41,185 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_string_eq_byte_buf_harness_negated.i[4556,4569] [2024-11-09 03:21:42,076 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,077 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,078 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,079 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,080 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,099 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,100 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,102 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,102 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,661 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,661 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,820 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:21:42,893 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:21:42,915 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_string_eq_byte_buf_harness_negated.i[4496,4509] [2024-11-09 03:21:42,915 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_string_eq_byte_buf_harness_negated.i[4556,4569] [2024-11-09 03:21:42,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,975 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,976 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,977 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:42,977 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:43,087 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8221] [2024-11-09 03:21:43,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:43,090 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:21:43,106 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8707-8718] [2024-11-09 03:21:43,158 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:21:43,513 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:21:43,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43 WrapperNode [2024-11-09 03:21:43,514 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:21:43,515 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:21:43,515 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:21:43,515 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:21:43,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43" (1/1) ... [2024-11-09 03:21:43,631 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43" (1/1) ... [2024-11-09 03:21:43,738 INFO L138 Inliner]: procedures = 682, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 891 [2024-11-09 03:21:43,738 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:21:43,739 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:21:43,739 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:21:43,739 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:21:43,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43" (1/1) ... [2024-11-09 03:21:43,757 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43" (1/1) ... [2024-11-09 03:21:43,772 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43" (1/1) ... [2024-11-09 03:21:43,844 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 257, 16, 238, 16, 20]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 0, 5, 6, 16, 4]. The 494 writes are split as follows [0, 257, 3, 232, 0, 2]. [2024-11-09 03:21:43,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43" (1/1) ... [2024-11-09 03:21:43,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43" (1/1) ... [2024-11-09 03:21:43,894 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43" (1/1) ... [2024-11-09 03:21:43,897 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43" (1/1) ... [2024-11-09 03:21:43,904 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43" (1/1) ... [2024-11-09 03:21:43,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43" (1/1) ... [2024-11-09 03:21:43,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:21:43,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:21:43,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:21:43,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:21:43,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43" (1/1) ... [2024-11-09 03:21:43,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:21:43,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:21:43,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 03:21:43,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 03:21:44,026 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-09 03:21:44,027 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-09 03:21:44,028 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:21:44,028 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:21:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:21:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-09 03:21:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:21:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:21:44,029 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:21:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:21:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:21:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:21:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:21:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:21:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:21:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:21:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:21:44,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:21:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:21:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:21:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:21:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:21:44,030 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:21:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:21:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:21:44,030 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:21:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:21:44,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:21:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:21:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:21:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:21:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:21:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:21:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:21:44,032 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:21:44,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:21:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:21:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:21:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:21:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:21:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:21:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:21:44,033 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:21:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:21:44,033 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:21:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:21:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:21:44,034 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:21:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:21:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:21:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-09 03:21:44,035 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-09 03:21:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:21:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:21:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:21:44,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:21:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:21:44,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:21:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:21:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:21:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:21:44,037 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:21:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:21:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:21:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:21:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:21:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:21:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:21:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:21:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:21:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:21:44,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:21:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:21:44,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:21:44,409 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:21:44,412 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:21:52,412 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-09 03:21:52,413 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:21:52,430 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:21:52,431 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 03:21:52,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:21:52 BoogieIcfgContainer [2024-11-09 03:21:52,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:21:52,435 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:21:52,435 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:21:52,438 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:21:52,438 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:21:40" (1/3) ... [2024-11-09 03:21:52,439 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699afb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:21:52, skipping insertion in model container [2024-11-09 03:21:52,439 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:21:43" (2/3) ... [2024-11-09 03:21:52,440 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699afb4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:21:52, skipping insertion in model container [2024-11-09 03:21:52,441 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:21:52" (3/3) ... [2024-11-09 03:21:52,442 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness_negated.i [2024-11-09 03:21:52,459 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:21:52,460 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:21:52,540 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:21:52,548 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;@13571bd1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:21:52,548 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:21:52,553 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-09 03:21:52,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 03:21:52,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:21:52,564 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:21:52,565 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:21:52,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:21:52,571 INFO L85 PathProgramCache]: Analyzing trace with hash -312571678, now seen corresponding path program 1 times [2024-11-09 03:21:52,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:21:52,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151084092] [2024-11-09 03:21:52,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:21:52,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:23:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:09,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:23:09,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:09,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 03:23:09,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:09,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-09 03:23:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:09,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-09 03:23:09,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:09,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:23:09,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:09,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 03:23:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:09,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 03:23:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:09,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-11-09 03:23:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:09,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 03:23:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:09,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 03:23:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:23:09,709 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 03:23:09,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:23:09,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151084092] [2024-11-09 03:23:09,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151084092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:23:09,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:23:09,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 03:23:09,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414114168] [2024-11-09 03:23:09,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:23:09,720 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 03:23:09,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:23:09,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 03:23:09,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:23:09,747 INFO L87 Difference]: Start difference. First operand has 130 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 03:23:13,940 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 [] [2024-11-09 03:23:15,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 03:23:15,768 INFO L93 Difference]: Finished difference Result 251 states and 348 transitions. [2024-11-09 03:23:15,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 03:23:15,772 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2024-11-09 03:23:15,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 03:23:15,780 INFO L225 Difference]: With dead ends: 251 [2024-11-09 03:23:15,780 INFO L226 Difference]: Without dead ends: 125 [2024-11-09 03:23:15,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 03:23:15,786 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 57 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2024-11-09 03:23:15,787 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 162 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 86 Invalid, 1 Unknown, 0 Unchecked, 5.9s Time] [2024-11-09 03:23:15,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-09 03:23:15,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-09 03:23:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 83 states have (on average 1.2530120481927711) internal successors, (104), 84 states have internal predecessors, (104), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-09 03:23:15,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 165 transitions. [2024-11-09 03:23:15,831 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 165 transitions. Word has length 71 [2024-11-09 03:23:15,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 03:23:15,833 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 165 transitions. [2024-11-09 03:23:15,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (11), 3 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-09 03:23:15,833 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 165 transitions. [2024-11-09 03:23:15,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 03:23:15,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:23:15,836 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:23:15,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 03:23:15,837 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:23:15,837 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:23:15,838 INFO L85 PathProgramCache]: Analyzing trace with hash 547077084, now seen corresponding path program 1 times [2024-11-09 03:23:15,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:23:15,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124346903] [2024-11-09 03:23:15,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:23:15,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms