./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_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_byte_buf_eq_c_str_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 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 03:01:23,029 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 03:01:23,101 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-09 03:01:23,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 03:01:23,108 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 03:01:23,143 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 03:01:23,144 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 03:01:23,144 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 03:01:23,145 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 03:01:23,146 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 03:01:23,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 03:01:23,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 03:01:23,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 03:01:23,149 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 03:01:23,149 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 03:01:23,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 03:01:23,153 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 03:01:23,153 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 03:01:23,153 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 03:01:23,154 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 03:01:23,154 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 03:01:23,155 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 03:01:23,155 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 03:01:23,155 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 03:01:23,156 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 03:01:23,156 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 03:01:23,156 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 03:01:23,157 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 03:01:23,157 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 03:01:23,157 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:01:23,158 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 03:01:23,159 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 03:01:23,159 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 03:01:23,159 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 03:01:23,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 03:01:23,160 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 03:01:23,160 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 03:01:23,160 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 03:01:23,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 03:01:23,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 885bac69872c2b34c2b244d1618f4ab60115ba2f5fec2456cdf32ad6a7277fb1 [2024-11-09 03:01:23,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 03:01:23,532 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 03:01:23,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 03:01:23,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 03:01:23,537 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 03:01:23,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i [2024-11-09 03:01:24,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 03:01:25,456 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 03:01:25,458 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_byte_buf_eq_c_str_harness_negated.i [2024-11-09 03:01:25,510 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfb22be23/8b89e66b572d4a339cf98377539f6acc/FLAG41e864581 [2024-11-09 03:01:26,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfb22be23/8b89e66b572d4a339cf98377539f6acc [2024-11-09 03:01:26,019 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 03:01:26,020 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 03:01:26,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 03:01:26,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 03:01:26,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 03:01:26,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:01:26" (1/1) ... [2024-11-09 03:01:26,030 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e85f7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:26, skipping insertion in model container [2024-11-09 03:01:26,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 03:01:26" (1/1) ... [2024-11-09 03:01:26,136 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 03:01:26,466 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_eq_c_str_harness_negated.i[4495,4508] [2024-11-09 03:01:26,477 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_eq_c_str_harness_negated.i[4555,4568] [2024-11-09 03:01:27,298 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:27,299 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:27,300 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:27,300 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:27,301 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:27,316 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:27,317 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:27,319 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:27,323 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:27,944 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:27,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:28,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:01:28,087 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 03:01:28,103 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_eq_c_str_harness_negated.i[4495,4508] [2024-11-09 03:01:28,107 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_eq_c_str_harness_negated.i[4555,4568] [2024-11-09 03:01:28,147 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:28,149 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:28,150 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:28,150 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:28,151 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:28,163 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:28,163 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:28,164 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:28,165 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:28,285 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8245] [2024-11-09 03:01:28,288 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:28,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-09 03:01:28,370 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8731-8742] [2024-11-09 03:01:28,389 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 03:01:28,619 INFO L204 MainTranslator]: Completed translation [2024-11-09 03:01:28,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28 WrapperNode [2024-11-09 03:01:28,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 03:01:28,621 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 03:01:28,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 03:01:28,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 03:01:28,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28" (1/1) ... [2024-11-09 03:01:28,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28" (1/1) ... [2024-11-09 03:01:28,827 INFO L138 Inliner]: procedures = 680, calls = 2633, calls flagged for inlining = 64, calls inlined = 10, statements flattened = 902 [2024-11-09 03:01:28,828 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 03:01:28,829 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 03:01:28,829 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 03:01:28,829 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 03:01:28,840 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28" (1/1) ... [2024-11-09 03:01:28,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28" (1/1) ... [2024-11-09 03:01:28,853 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28" (1/1) ... [2024-11-09 03:01:28,942 INFO L175 MemorySlicer]: Split 556 memory accesses to 6 slices as follows [257, 2, 238, 13, 6, 40]. 46 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [0, 2, 6, 5, 0, 8]. The 493 writes are split as follows [257, 0, 232, 0, 2, 2]. [2024-11-09 03:01:28,942 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28" (1/1) ... [2024-11-09 03:01:28,943 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28" (1/1) ... [2024-11-09 03:01:28,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28" (1/1) ... [2024-11-09 03:01:28,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28" (1/1) ... [2024-11-09 03:01:29,004 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28" (1/1) ... [2024-11-09 03:01:29,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28" (1/1) ... [2024-11-09 03:01:29,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 03:01:29,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 03:01:29,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 03:01:29,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 03:01:29,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28" (1/1) ... [2024-11-09 03:01:29,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 03:01:29,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 03:01:29,138 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 03:01:29,156 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 03:01:29,248 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq_c_str [2024-11-09 03:01:29,250 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq_c_str [2024-11-09 03:01:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-09 03:01:29,251 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-09 03:01:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 03:01:29,251 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-09 03:01:29,252 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-09 03:01:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-09 03:01:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-09 03:01:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-09 03:01:29,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-09 03:01:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-09 03:01:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-09 03:01:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 03:01:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-09 03:01:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-09 03:01:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-09 03:01:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-09 03:01:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-09 03:01:29,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 03:01:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 03:01:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 03:01:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 03:01:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-09 03:01:29,254 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-09 03:01:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-09 03:01:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-09 03:01:29,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-09 03:01:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-09 03:01:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-09 03:01:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-09 03:01:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 03:01:29,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 03:01:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-09 03:01:29,255 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-09 03:01:29,255 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-09 03:01:29,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-09 03:01:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-09 03:01:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-09 03:01:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-09 03:01:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-09 03:01:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-09 03:01:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-09 03:01:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 03:01:29,256 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 03:01:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 03:01:29,256 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-09 03:01:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-09 03:01:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-09 03:01:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-09 03:01:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-09 03:01:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-09 03:01:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-09 03:01:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-09 03:01:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-09 03:01:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-09 03:01:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-09 03:01:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-09 03:01:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-09 03:01:29,257 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-09 03:01:29,257 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-09 03:01:29,258 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-09 03:01:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 03:01:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-09 03:01:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-09 03:01:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-09 03:01:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-09 03:01:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-09 03:01:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 03:01:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-09 03:01:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-09 03:01:29,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-09 03:01:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-09 03:01:29,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-09 03:01:29,576 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 03:01:29,579 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 03:01:38,523 INFO L? ?]: Removed 120 outVars from TransFormulas that were not future-live. [2024-11-09 03:01:38,523 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 03:01:38,540 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 03:01:38,540 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 03:01:38,540 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:01:38 BoogieIcfgContainer [2024-11-09 03:01:38,541 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 03:01:38,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 03:01:38,547 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 03:01:38,550 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 03:01:38,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 03:01:26" (1/3) ... [2024-11-09 03:01:38,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c15bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:01:38, skipping insertion in model container [2024-11-09 03:01:38,551 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 03:01:28" (2/3) ... [2024-11-09 03:01:38,551 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54c15bd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 03:01:38, skipping insertion in model container [2024-11-09 03:01:38,553 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 03:01:38" (3/3) ... [2024-11-09 03:01:38,554 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_eq_c_str_harness_negated.i [2024-11-09 03:01:38,571 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 03:01:38,571 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 03:01:38,649 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 03:01:38,656 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;@56e6075, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 03:01:38,656 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 03:01:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 92 states have (on average 1.25) internal successors, (115), 94 states have internal predecessors, (115), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-09 03:01:38,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-09 03:01:38,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 03:01:38,677 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 03:01:38,678 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 03:01:38,684 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 03:01:38,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1835431672, now seen corresponding path program 1 times [2024-11-09 03:01:38,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 03:01:38,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451833583] [2024-11-09 03:01:38,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 03:01:38,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 03:02:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 03:02:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-09 03:02:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-09 03:02:58,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:02:58,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 03:02:58,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 03:02:58,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-09 03:02:58,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-09 03:02:58,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:02:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-11-09 03:02:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2024-11-09 03:02:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-09 03:02:58,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-09 03:02:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-11-09 03:02:58,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-09 03:02:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-11-09 03:02:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2024-11-09 03:02:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-09 03:02:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-09 03:02:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-09 03:02:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 03:02:58,589 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2024-11-09 03:02:58,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 03:02:58,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451833583] [2024-11-09 03:02:58,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451833583] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 03:02:58,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 03:02:58,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 03:02:58,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123184616] [2024-11-09 03:02:58,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 03:02:58,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 03:02:58,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 03:02:58,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 03:02:58,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 03:02:58,628 INFO L87 Difference]: Start difference. First operand has 140 states, 92 states have (on average 1.25) internal successors, (115), 94 states have internal predecessors, (115), 36 states have call successors, (36), 10 states have call predecessors, (36), 10 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (20), 4 states have call predecessors, (20), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-09 03:03:02,850 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers []