./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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_compare_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 14:24:48,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 14:24:48,880 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-22 14:24:48,886 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 14:24:48,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 14:24:48,916 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 14:24:48,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 14:24:48,917 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 14:24:48,918 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 14:24:48,919 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 14:24:48,920 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 14:24:48,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 14:24:48,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 14:24:48,922 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 14:24:48,923 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 14:24:48,923 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 14:24:48,925 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 14:24:48,926 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 14:24:48,926 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 14:24:48,926 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 14:24:48,926 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 14:24:48,927 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 14:24:48,927 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 14:24:48,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 14:24:48,928 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 14:24:48,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 14:24:48,929 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 14:24:48,929 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 14:24:48,929 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 14:24:48,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:24:48,930 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 14:24:48,931 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 14:24:48,931 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 14:24:48,932 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 14:24:48,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 14:24:48,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 14:24:48,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 14:24:48,934 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 14:24:48,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 14:24:48,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 66fb9bfec5c458b51d86deb6748dd65f162e7ac6a772af5f3fec59d101a18d8d [2024-11-22 14:24:49,194 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 14:24:49,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 14:24:49,218 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 14:24:49,219 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 14:24:49,220 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 14:24:49,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2024-11-22 14:24:50,664 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 14:24:51,140 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 14:24:51,141 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_string_compare_harness.i [2024-11-22 14:24:51,191 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5583dbd/99246f9a1b4b491f9cd76f5f25704033/FLAG2579baa88 [2024-11-22 14:24:51,214 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b5583dbd/99246f9a1b4b491f9cd76f5f25704033 [2024-11-22 14:24:51,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 14:24:51,219 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 14:24:51,223 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 14:24:51,223 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 14:24:51,228 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 14:24:51,229 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:24:51" (1/1) ... [2024-11-22 14:24:51,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@157a1c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:51, skipping insertion in model container [2024-11-22 14:24:51,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:24:51" (1/1) ... [2024-11-22 14:24:51,338 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 14:24:51,713 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_compare_harness.i[4492,4505] [2024-11-22 14:24:51,726 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_compare_harness.i[4552,4565] [2024-11-22 14:24:53,302 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:53,307 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:53,307 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:53,308 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:53,313 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:53,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:53,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:53,338 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:53,339 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,027 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,028 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,136 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:24:54,209 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 14:24:54,228 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_compare_harness.i[4492,4505] [2024-11-22 14:24:54,229 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_compare_harness.i[4552,4565] [2024-11-22 14:24:54,282 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,282 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,283 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,284 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,284 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,293 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-22 14:24:54,430 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,431 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-22 14:24:54,445 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-22 14:24:54,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 14:24:54,662 INFO L204 MainTranslator]: Completed translation [2024-11-22 14:24:54,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54 WrapperNode [2024-11-22 14:24:54,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 14:24:54,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 14:24:54,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 14:24:54,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 14:24:54,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54" (1/1) ... [2024-11-22 14:24:54,819 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54" (1/1) ... [2024-11-22 14:24:54,905 INFO L138 Inliner]: procedures = 682, calls = 2786, calls flagged for inlining = 57, calls inlined = 5, statements flattened = 823 [2024-11-22 14:24:54,905 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 14:24:54,909 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 14:24:54,909 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 14:24:54,909 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 14:24:54,920 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54" (1/1) ... [2024-11-22 14:24:54,921 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54" (1/1) ... [2024-11-22 14:24:54,929 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54" (1/1) ... [2024-11-22 14:24:54,993 INFO L175 MemorySlicer]: Split 529 memory accesses to 6 slices as follows [2, 11, 257, 238, 5, 16]. 49 percent of accesses are in the largest equivalence class. The 29 initializations are split as follows [2, 0, 0, 6, 5, 16]. The 492 writes are split as follows [0, 3, 257, 232, 0, 0]. [2024-11-22 14:24:54,997 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54" (1/1) ... [2024-11-22 14:24:54,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54" (1/1) ... [2024-11-22 14:24:55,037 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54" (1/1) ... [2024-11-22 14:24:55,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54" (1/1) ... [2024-11-22 14:24:55,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54" (1/1) ... [2024-11-22 14:24:55,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54" (1/1) ... [2024-11-22 14:24:55,084 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 14:24:55,088 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 14:24:55,088 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 14:24:55,088 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 14:24:55,089 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54" (1/1) ... [2024-11-22 14:24:55,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 14:24:55,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:24:55,124 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) [2024-11-22 14:24:55,130 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 [2024-11-22 14:24:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-22 14:24:55,178 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-22 14:24:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_compare [2024-11-22 14:24:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_compare [2024-11-22 14:24:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-22 14:24:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-22 14:24:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-22 14:24:55,179 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-22 14:24:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-22 14:24:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-22 14:24:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-22 14:24:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-22 14:24:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-22 14:24:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-22 14:24:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-22 14:24:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-22 14:24:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-22 14:24:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-22 14:24:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-22 14:24:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-22 14:24:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 14:24:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 14:24:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-22 14:24:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 14:24:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-22 14:24:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-22 14:24:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-22 14:24:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-22 14:24:55,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-22 14:24:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-22 14:24:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 14:24:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 14:24:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-22 14:24:55,183 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-22 14:24:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-22 14:24:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-22 14:24:55,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-22 14:24:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-22 14:24:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-22 14:24:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-22 14:24:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_bytes [2024-11-22 14:24:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_bytes [2024-11-22 14:24:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-22 14:24:55,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-22 14:24:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-22 14:24:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-22 14:24:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-22 14:24:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-22 14:24:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-22 14:24:55,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-22 14:24:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-22 14:24:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-22 14:24:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-22 14:24:55,185 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-22 14:24:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-22 14:24:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-22 14:24:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-22 14:24:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-22 14:24:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-22 14:24:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-22 14:24:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 14:24:55,185 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-22 14:24:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-22 14:24:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-22 14:24:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-22 14:24:55,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-22 14:24:55,507 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 14:24:55,509 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 14:25:03,294 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-11-22 14:25:03,294 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 14:25:03,310 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 14:25:03,312 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-22 14:25:03,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:25:03 BoogieIcfgContainer [2024-11-22 14:25:03,312 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 14:25:03,315 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 14:25:03,315 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 14:25:03,318 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 14:25:03,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 02:24:51" (1/3) ... [2024-11-22 14:25:03,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adb52b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:25:03, skipping insertion in model container [2024-11-22 14:25:03,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:24:54" (2/3) ... [2024-11-22 14:25:03,320 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3adb52b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 02:25:03, skipping insertion in model container [2024-11-22 14:25:03,320 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:25:03" (3/3) ... [2024-11-22 14:25:03,321 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_compare_harness.i [2024-11-22 14:25:03,339 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 14:25:03,340 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-22 14:25:03,422 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 14:25:03,430 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;@3c9c093f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 14:25:03,431 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-22 14:25:03,437 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 77 states have internal predecessors, (97), 33 states have call successors, (33), 10 states have call predecessors, (33), 10 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-11-22 14:25:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-22 14:25:03,449 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 14:25:03,450 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-11-22 14:25:03,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-22 14:25:03,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 14:25:03,457 INFO L85 PathProgramCache]: Analyzing trace with hash 127762490, now seen corresponding path program 1 times [2024-11-22 14:25:03,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 14:25:03,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611470119] [2024-11-22 14:25:03,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:25:03,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 14:26:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 14:26:14,650 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-22 14:26:14,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 14:26:14,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611470119] [2024-11-22 14:26:14,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611470119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 14:26:14,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [137343924] [2024-11-22 14:26:14,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 14:26:14,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 14:26:14,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 14:26:14,657 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-22 14:26:14,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process