./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 023d838f 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_nospec_mask_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 6f493f36268ddddf1b95c73a1ef895545bd56827101b5cfb094b1b471fbade36 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 11:02:44,779 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:02:44,839 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:02:44,843 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:02:44,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:02:44,868 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:02:44,868 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:02:44,869 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:02:44,869 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:02:44,870 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:02:44,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:02:44,870 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:02:44,871 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:02:44,871 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:02:44,872 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:02:44,872 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:02:44,874 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:02:44,875 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:02:44,878 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:02:44,878 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:02:44,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:02:44,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:02:44,879 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:02:44,879 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:02:44,879 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:02:44,880 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:02:44,880 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:02:44,880 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:02:44,880 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:02:44,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:02:44,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:02:44,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:02:44,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:02:44,882 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:02:44,884 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:02:44,884 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:02:44,884 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:02:44,885 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:02:44,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:02:44,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f493f36268ddddf1b95c73a1ef895545bd56827101b5cfb094b1b471fbade36 [2024-11-10 11:02:45,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:02:45,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:02:45,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:02:45,156 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:02:45,156 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:02:45,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i [2024-11-10 11:02:46,637 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:02:47,155 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:02:47,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_nospec_mask_harness.i [2024-11-10 11:02:47,202 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e3bfc03/b341ea8503584188b7e0f0bcfe97f0be/FLAG2a5369bfc [2024-11-10 11:02:47,223 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e3bfc03/b341ea8503584188b7e0f0bcfe97f0be [2024-11-10 11:02:47,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:02:47,229 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:02:47,231 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:02:47,232 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:02:47,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:02:47,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:02:47" (1/1) ... [2024-11-10 11:02:47,239 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ea3eda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:47, skipping insertion in model container [2024-11-10 11:02:47,239 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:02:47" (1/1) ... [2024-11-10 11:02:47,374 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:02:47,652 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_nospec_mask_harness.i[4489,4502] [2024-11-10 11:02:47,660 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_nospec_mask_harness.i[4549,4562] [2024-11-10 11:02:48,221 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,222 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,222 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,223 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,224 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,245 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,246 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,251 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,253 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,855 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,856 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,939 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,940 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,940 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,941 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,941 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:48,944 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:02:49,016 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:02:49,031 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_nospec_mask_harness.i[4489,4502] [2024-11-10 11:02:49,032 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_nospec_mask_harness.i[4549,4562] [2024-11-10 11:02:49,066 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,067 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,067 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,068 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,068 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,073 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,074 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,074 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,075 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,289 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8051] [2024-11-10 11:02:49,291 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,291 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,303 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8537-8548] [2024-11-10 11:02:49,312 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,313 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,313 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,313 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,314 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:02:49,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:02:49,488 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:02:49,489 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49 WrapperNode [2024-11-10 11:02:49,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:02:49,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:02:49,490 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:02:49,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:02:49,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49" (1/1) ... [2024-11-10 11:02:49,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49" (1/1) ... [2024-11-10 11:02:49,677 INFO L138 Inliner]: procedures = 679, calls = 2482, calls flagged for inlining = 52, calls inlined = 3, statements flattened = 727 [2024-11-10 11:02:49,680 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:02:49,681 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:02:49,681 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:02:49,681 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:02:49,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49" (1/1) ... [2024-11-10 11:02:49,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49" (1/1) ... [2024-11-10 11:02:49,710 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49" (1/1) ... [2024-11-10 11:02:49,775 INFO L175 MemorySlicer]: Split 502 memory accesses to 4 slices as follows [2, 257, 238, 5]. 51 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 0, 6, 5]. The 489 writes are split as follows [0, 257, 232, 0]. [2024-11-10 11:02:49,775 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49" (1/1) ... [2024-11-10 11:02:49,775 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49" (1/1) ... [2024-11-10 11:02:49,813 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49" (1/1) ... [2024-11-10 11:02:49,818 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49" (1/1) ... [2024-11-10 11:02:49,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49" (1/1) ... [2024-11-10 11:02:49,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49" (1/1) ... [2024-11-10 11:02:49,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:02:49,849 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:02:49,849 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:02:49,849 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:02:49,850 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49" (1/1) ... [2024-11-10 11:02:49,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:02:49,865 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:02:49,886 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) [2024-11-10 11:02:49,891 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 [2024-11-10 11:02:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure aws_nospec_mask [2024-11-10 11:02:49,936 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_nospec_mask [2024-11-10 11:02:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:02:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:02:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:02:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:02:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:02:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:02:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:02:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:02:49,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:02:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 11:02:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 11:02:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 11:02:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 11:02:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:02:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:02:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:02:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:02:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:02:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:02:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:02:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:02:50,188 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:02:50,189 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:02:58,065 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-10 11:02:58,066 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:02:58,089 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:02:58,090 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:02:58,090 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:02:58 BoogieIcfgContainer [2024-11-10 11:02:58,091 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:02:58,093 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:02:58,093 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:02:58,096 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:02:58,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:02:47" (1/3) ... [2024-11-10 11:02:58,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4cad13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:02:58, skipping insertion in model container [2024-11-10 11:02:58,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:02:49" (2/3) ... [2024-11-10 11:02:58,098 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a4cad13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:02:58, skipping insertion in model container [2024-11-10 11:02:58,098 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:02:58" (3/3) ... [2024-11-10 11:02:58,100 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_nospec_mask_harness.i [2024-11-10 11:02:58,117 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:02:58,117 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 11:02:58,183 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:02:58,189 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;@7a97424c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:02:58,189 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 11:02:58,192 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 24 states have internal predecessors, (29), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-10 11:02:58,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 11:02:58,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:02:58,199 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 11:02:58,199 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:02:58,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:02:58,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1139619943, now seen corresponding path program 1 times [2024-11-10 11:02:58,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:02:58,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766592985] [2024-11-10 11:02:58,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:02:58,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:04:19,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat