/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_init_copy_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 14:50:40,154 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 14:50:40,222 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 14:50:40,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 14:50:40,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 14:50:40,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 14:50:40,257 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 14:50:40,258 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 14:50:40,260 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 14:50:40,261 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 14:50:40,262 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 14:50:40,262 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 14:50:40,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 14:50:40,263 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 14:50:40,263 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 14:50:40,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 14:50:40,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 14:50:40,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 14:50:40,264 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 14:50:40,264 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 14:50:40,264 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 14:50:40,265 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 14:50:40,266 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 14:50:40,266 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 14:50:40,266 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 14:50:40,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 14:50:40,267 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 14:50:40,267 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 14:50:40,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 14:50:40,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 14:50:40,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 14:50:40,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:50:40,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 14:50:40,268 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 14:50:40,268 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 14:50:40,269 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 14:50:40,269 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 14:50:40,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 14:50:40,270 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 14:50:40,270 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 14:50:40,270 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 14:50:40,271 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:50:40,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 14:50:40,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 14:50:40,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 14:50:40,516 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 14:50:40,516 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 14:50:40,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2024-11-04 14:50:41,906 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 14:50:42,357 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 14:50:42,358 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_init_copy_harness_negated.i [2024-11-04 14:50:42,405 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d6c2b989/7d699b68ebd44398abe98670964fc3e6/FLAGb3f34fdc8 [2024-11-04 14:50:42,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9d6c2b989/7d699b68ebd44398abe98670964fc3e6 [2024-11-04 14:50:42,426 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 14:50:42,428 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 14:50:42,429 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 14:50:42,429 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 14:50:42,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 14:50:42,436 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:50:42" (1/1) ... [2024-11-04 14:50:42,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b806252 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:42, skipping insertion in model container [2024-11-04 14:50:42,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:50:42" (1/1) ... [2024-11-04 14:50:42,559 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:50:42,886 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4496,4509] [2024-11-04 14:50:42,899 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4556,4569] [2024-11-04 14:50:44,000 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,147 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,148 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,149 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,156 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,158 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:44,158 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:44,159 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:44,160 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,160 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:44,161 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:44,163 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,164 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,166 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,166 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,174 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:44,175 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,175 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:44,176 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,177 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:44,178 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,178 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:44,178 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,602 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,603 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,604 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,604 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,739 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,753 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,754 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,754 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,755 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,756 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,756 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,773 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,781 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,871 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,873 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,874 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:44,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:44,875 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:44,994 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:50:45,053 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 14:50:45,083 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:50:45,088 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4496,4509] [2024-11-04 14:50:45,088 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4556,4569] [2024-11-04 14:50:45,104 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,113 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,113 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,114 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,116 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,116 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,117 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,117 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,117 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,117 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,118 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,119 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,119 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,120 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,120 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,123 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,123 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,123 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,124 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,124 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,125 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,125 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,125 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,156 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,156 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,157 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,157 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,180 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,188 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,190 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,190 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,193 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,196 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,201 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,237 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,238 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,239 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:50:45,239 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,240 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,269 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:50:45,392 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 14:50:45,410 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4496,4509] [2024-11-04 14:50:45,410 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_init_copy_harness_negated.i[4556,4569] [2024-11-04 14:50:45,454 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,455 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,456 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,456 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,457 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,466 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,467 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,468 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,469 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,584 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8259] [2024-11-04 14:50:45,586 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,586 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:50:45,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8745-8756] [2024-11-04 14:50:45,614 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:50:45,851 INFO L204 MainTranslator]: Completed translation [2024-11-04 14:50:45,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45 WrapperNode [2024-11-04 14:50:45,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 14:50:45,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 14:50:45,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 14:50:45,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 14:50:45,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45" (1/1) ... [2024-11-04 14:50:45,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45" (1/1) ... [2024-11-04 14:50:45,990 INFO L138 Inliner]: procedures = 700, calls = 2622, calls flagged for inlining = 63, calls inlined = 11, statements flattened = 947 [2024-11-04 14:50:45,990 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 14:50:45,991 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 14:50:45,991 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 14:50:45,991 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 14:50:46,007 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45" (1/1) ... [2024-11-04 14:50:46,007 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45" (1/1) ... [2024-11-04 14:50:46,022 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45" (1/1) ... [2024-11-04 14:50:46,122 INFO L175 MemorySlicer]: Split 566 memory accesses to 5 slices as follows [2, 257, 238, 63, 6]. 45 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 9, 0]. The 503 writes are split as follows [0, 257, 232, 12, 2]. [2024-11-04 14:50:46,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45" (1/1) ... [2024-11-04 14:50:46,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45" (1/1) ... [2024-11-04 14:50:46,168 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45" (1/1) ... [2024-11-04 14:50:46,172 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45" (1/1) ... [2024-11-04 14:50:46,186 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45" (1/1) ... [2024-11-04 14:50:46,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45" (1/1) ... [2024-11-04 14:50:46,225 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 14:50:46,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 14:50:46,226 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 14:50:46,226 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 14:50:46,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45" (1/1) ... [2024-11-04 14:50:46,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:50:46,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:50:46,256 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) [2024-11-04 14:50:46,258 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 [2024-11-04 14:50:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-04 14:50:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-04 14:50:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 14:50:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 14:50:46,286 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 14:50:46,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 14:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 14:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 14:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 14:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 14:50:46,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 14:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 14:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 14:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 14:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 14:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 14:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 14:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 14:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 14:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 14:50:46,288 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-04 14:50:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-04 14:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 14:50:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 14:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 14:50:46,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 14:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 14:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 14:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 14:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 14:50:46,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 14:50:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 14:50:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 14:50:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-04 14:50:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-04 14:50:46,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 14:50:46,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 14:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 14:50:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 14:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 14:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 14:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 14:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 14:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 14:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-04 14:50:46,291 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-04 14:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 14:50:46,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 14:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 14:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 14:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 14:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 14:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 14:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 14:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 14:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 14:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-04 14:50:46,292 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-04 14:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-04 14:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-04 14:50:46,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-04 14:50:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-04 14:50:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-04 14:50:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-04 14:50:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-04 14:50:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-04 14:50:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-04 14:50:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-04 14:50:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 14:50:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 14:50:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-04 14:50:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-04 14:50:46,293 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-04 14:50:46,293 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-04 14:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 14:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 14:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 14:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 14:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 14:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 14:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 14:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 14:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 14:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 14:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 14:50:46,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 14:50:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 14:50:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 14:50:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 14:50:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 14:50:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 14:50:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 14:50:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 14:50:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 14:50:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 14:50:46,295 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 14:50:46,295 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 14:50:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-04 14:50:46,296 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-04 14:50:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 14:50:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 14:50:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 14:50:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 14:50:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 14:50:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 14:50:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 14:50:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 14:50:46,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 14:50:46,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-04 14:50:46,710 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 14:50:46,712 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 14:50:59,206 INFO L? ?]: Removed 156 outVars from TransFormulas that were not future-live. [2024-11-04 14:50:59,207 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 14:50:59,223 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 14:50:59,223 INFO L316 CfgBuilder]: Removed 7 assume(true) statements. [2024-11-04 14:50:59,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:50:59 BoogieIcfgContainer [2024-11-04 14:50:59,224 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 14:50:59,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 14:50:59,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 14:50:59,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 14:50:59,230 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 02:50:42" (1/3) ... [2024-11-04 14:50:59,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60555833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:50:59, skipping insertion in model container [2024-11-04 14:50:59,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:50:45" (2/3) ... [2024-11-04 14:50:59,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60555833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:50:59, skipping insertion in model container [2024-11-04 14:50:59,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:50:59" (3/3) ... [2024-11-04 14:50:59,233 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_copy_harness_negated.i [2024-11-04 14:50:59,248 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 14:50:59,248 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 14:50:59,325 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 14:50:59,334 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;@11d4bf0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 14:50:59,334 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 14:50:59,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 185 states, 122 states have (on average 1.221311475409836) internal successors, (149), 121 states have internal predecessors, (149), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-04 14:50:59,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-04 14:50:59,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:50:59,355 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 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] [2024-11-04 14:50:59,356 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:50:59,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:50:59,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1965116141, now seen corresponding path program 1 times [2024-11-04 14:50:59,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:50:59,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1722380197] [2024-11-04 14:50:59,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:50:59,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:50:59,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:50:59,376 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) [2024-11-04 14:50:59,383 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 14:52:10,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:52:10,844 INFO L255 TraceCheckSpWp]: Trace formula consists of 4135 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 14:52:10,855 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:52:10,871 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-04 14:52:10,871 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:52:12,355 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-11-04 14:52:12,356 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:52:12,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1722380197] [2024-11-04 14:52:12,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1722380197] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 14:52:12,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 14:52:12,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-04 14:52:12,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1505813390] [2024-11-04 14:52:12,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 14:52:12,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 14:52:12,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:52:12,383 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 14:52:12,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 14:52:12,391 INFO L87 Difference]: Start difference. First operand has 185 states, 122 states have (on average 1.221311475409836) internal successors, (149), 121 states have internal predecessors, (149), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-04 14:52:12,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:52:12,435 INFO L93 Difference]: Finished difference Result 366 states and 520 transitions. [2024-11-04 14:52:12,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 14:52:12,437 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 82 [2024-11-04 14:52:12,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:52:12,447 INFO L225 Difference]: With dead ends: 366 [2024-11-04 14:52:12,448 INFO L226 Difference]: Without dead ends: 179 [2024-11-04 14:52:12,452 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 14:52:12,454 INFO L432 NwaCegarLoop]: 238 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 238 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-04 14:52:12,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 238 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 14:52:12,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-04 14:52:12,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2024-11-04 14:52:12,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 114 states have (on average 1.1666666666666667) internal successors, (133), 115 states have internal predecessors, (133), 49 states have call successors, (49), 15 states have call predecessors, (49), 15 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-04 14:52:12,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 230 transitions. [2024-11-04 14:52:12,525 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 230 transitions. Word has length 82 [2024-11-04 14:52:12,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:52:12,525 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 230 transitions. [2024-11-04 14:52:12,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2024-11-04 14:52:12,525 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 230 transitions. [2024-11-04 14:52:12,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2024-11-04 14:52:12,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:52:12,530 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 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] [2024-11-04 14:52:12,589 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-04 14:52:12,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:52:12,731 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:52:12,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:52:12,731 INFO L85 PathProgramCache]: Analyzing trace with hash 1792620296, now seen corresponding path program 1 times [2024-11-04 14:52:12,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:52:12,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [723525700] [2024-11-04 14:52:12,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:52:12,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:52:12,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:52:12,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:52:12,734 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process