/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 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_string_eq_byte_buf_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 08:26:06,992 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 08:26:07,073 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 08:26:07,080 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 08:26:07,080 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 08:26:07,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 08:26:07,104 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 08:26:07,104 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 08:26:07,105 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 08:26:07,106 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 08:26:07,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 08:26:07,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 08:26:07,108 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 08:26:07,109 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 08:26:07,109 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 08:26:07,109 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 08:26:07,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 08:26:07,110 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 08:26:07,110 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 08:26:07,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 08:26:07,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 08:26:07,115 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 08:26:07,116 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 08:26:07,116 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 08:26:07,116 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 08:26:07,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 08:26:07,117 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 08:26:07,117 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 08:26:07,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 08:26:07,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 08:26:07,118 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 08:26:07,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 08:26:07,118 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 08:26:07,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 08:26:07,119 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 08:26:07,119 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 08:26:07,121 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 08:26:07,121 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 08:26:07,122 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 08:26:07,122 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 08:26:07,122 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 08:26:07,123 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 08:26:07,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 08:26:07,372 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 08:26:07,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 08:26:07,378 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 08:26:07,378 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 08:26:07,379 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_string_eq_byte_buf_harness.i [2024-11-05 08:26:08,825 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 08:26:09,224 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 08:26:09,225 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_string_eq_byte_buf_harness.i [2024-11-05 08:26:09,266 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e72b5818a/dd3300ec685942f3b6ec6f5c0b1b1100/FLAGecdc2a7b7 [2024-11-05 08:26:09,283 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e72b5818a/dd3300ec685942f3b6ec6f5c0b1b1100 [2024-11-05 08:26:09,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 08:26:09,289 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 08:26:09,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 08:26:09,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 08:26:09,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 08:26:09,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:26:09" (1/1) ... [2024-11-05 08:26:09,296 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@533fa545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:09, skipping insertion in model container [2024-11-05 08:26:09,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:26:09" (1/1) ... [2024-11-05 08:26:09,429 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 08:26:09,715 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_string_eq_byte_buf_harness.i[4496,4509] [2024-11-05 08:26:09,725 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_string_eq_byte_buf_harness.i[4556,4569] [2024-11-05 08:26:10,263 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,357 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,358 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,358 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,368 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:10,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:10,374 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:10,377 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:10,378 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:10,381 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,381 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,383 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,384 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,391 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:10,392 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,392 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:10,393 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,394 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:10,395 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,395 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:10,395 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,656 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,657 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,657 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,658 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,808 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,828 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,835 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,841 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,932 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,933 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,935 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:10,936 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:10,936 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:10,998 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,000 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,002 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,003 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,019 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 08:26:11,100 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 08:26:11,143 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 08:26:11,150 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_string_eq_byte_buf_harness.i[4496,4509] [2024-11-05 08:26:11,151 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_string_eq_byte_buf_harness.i[4556,4569] [2024-11-05 08:26:11,174 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,190 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,190 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,190 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,194 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,194 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,196 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,196 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,196 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,198 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,198 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,199 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,200 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,206 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,206 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,207 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,207 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,207 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,208 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,257 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,257 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,258 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,258 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,308 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,319 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,322 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,325 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,355 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,355 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,357 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,361 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,404 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,408 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,410 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,410 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:26:11,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 08:26:11,454 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 08:26:11,468 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_string_eq_byte_buf_harness.i[4496,4509] [2024-11-05 08:26:11,468 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_string_eq_byte_buf_harness.i[4556,4569] [2024-11-05 08:26:11,500 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,500 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,501 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,501 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,501 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,506 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,598 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8253] [2024-11-05 08:26:11,601 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,602 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:26:11,618 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8739-8750] [2024-11-05 08:26:11,643 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 08:26:11,927 INFO L204 MainTranslator]: Completed translation [2024-11-05 08:26:11,927 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11 WrapperNode [2024-11-05 08:26:11,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 08:26:11,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 08:26:11,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 08:26:11,929 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 08:26:11,937 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11" (1/1) ... [2024-11-05 08:26:12,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11" (1/1) ... [2024-11-05 08:26:12,154 INFO L138 Inliner]: procedures = 702, calls = 2798, calls flagged for inlining = 61, calls inlined = 8, statements flattened = 892 [2024-11-05 08:26:12,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 08:26:12,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 08:26:12,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 08:26:12,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 08:26:12,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11" (1/1) ... [2024-11-05 08:26:12,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11" (1/1) ... [2024-11-05 08:26:12,191 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11" (1/1) ... [2024-11-05 08:26:12,279 INFO L175 MemorySlicer]: Split 549 memory accesses to 6 slices as follows [2, 16, 257, 238, 20, 16]. 47 percent of accesses are in the largest equivalence class. The 33 initializations are split as follows [2, 5, 0, 6, 4, 16]. The 494 writes are split as follows [0, 3, 257, 232, 2, 0]. [2024-11-05 08:26:12,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11" (1/1) ... [2024-11-05 08:26:12,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11" (1/1) ... [2024-11-05 08:26:12,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11" (1/1) ... [2024-11-05 08:26:12,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11" (1/1) ... [2024-11-05 08:26:12,364 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11" (1/1) ... [2024-11-05 08:26:12,377 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11" (1/1) ... [2024-11-05 08:26:12,397 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 08:26:12,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 08:26:12,399 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 08:26:12,399 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 08:26:12,400 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11" (1/1) ... [2024-11-05 08:26:12,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 08:26:12,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 08:26:12,429 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) [2024-11-05 08:26:12,432 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 [2024-11-05 08:26:12,460 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-05 08:26:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-05 08:26:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-05 08:26:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-05 08:26:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-05 08:26:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-05 08:26:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 08:26:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 08:26:12,461 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 08:26:12,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 08:26:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 08:26:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 08:26:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 08:26:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 08:26:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 08:26:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 08:26:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 08:26:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 08:26:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 08:26:12,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 08:26:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 08:26:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 08:26:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 08:26:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 08:26:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 08:26:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 08:26:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 08:26:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 08:26:12,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 08:26:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 08:26:12,463 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 08:26:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 08:26:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 08:26:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 08:26:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 08:26:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 08:26:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 08:26:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 08:26:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 08:26:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 08:26:12,464 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 08:26:12,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 08:26:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 08:26:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 08:26:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 08:26:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 08:26:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 08:26:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 08:26:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 08:26:12,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 08:26:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 08:26:12,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 08:26:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 08:26:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 08:26:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 08:26:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 08:26:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 08:26:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 08:26:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 08:26:12,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 08:26:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 08:26:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 08:26:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 08:26:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 08:26:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 08:26:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 08:26:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 08:26:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 08:26:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-05 08:26:12,468 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-05 08:26:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 08:26:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 08:26:12,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 08:26:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 08:26:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 08:26:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 08:26:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 08:26:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 08:26:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 08:26:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 08:26:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 08:26:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 08:26:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 08:26:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 08:26:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 08:26:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 08:26:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 08:26:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 08:26:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 08:26:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 08:26:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-05 08:26:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-05 08:26:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 08:26:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 08:26:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 08:26:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 08:26:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 08:26:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 08:26:12,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-05 08:26:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-05 08:26:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-05 08:26:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-05 08:26:12,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-05 08:26:12,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-05 08:26:12,876 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 08:26:12,878 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 08:26:20,819 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-11-05 08:26:20,820 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 08:26:20,836 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 08:26:20,836 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 08:26:20,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:26:20 BoogieIcfgContainer [2024-11-05 08:26:20,836 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 08:26:20,840 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 08:26:20,840 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 08:26:20,843 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 08:26:20,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:26:09" (1/3) ... [2024-11-05 08:26:20,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609b9beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:26:20, skipping insertion in model container [2024-11-05 08:26:20,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:26:11" (2/3) ... [2024-11-05 08:26:20,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@609b9beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:26:20, skipping insertion in model container [2024-11-05 08:26:20,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:26:20" (3/3) ... [2024-11-05 08:26:20,845 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_string_eq_byte_buf_harness.i [2024-11-05 08:26:20,859 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 08:26:20,860 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 08:26:20,922 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 08:26:20,930 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;@9677de5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 08:26:20,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 08:26:20,938 INFO L276 IsEmpty]: Start isEmpty. Operand has 130 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-05 08:26:20,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-05 08:26:20,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 08:26:20,951 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 08:26:20,952 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 08:26:20,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 08:26:20,957 INFO L85 PathProgramCache]: Analyzing trace with hash -312571678, now seen corresponding path program 1 times [2024-11-05 08:26:20,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 08:26:20,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1678690746] [2024-11-05 08:26:20,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 08:26:20,968 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 08:26:20,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 08:26:20,972 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 08:26:20,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 08:27:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 08:27:36,596 INFO L255 TraceCheckSpWp]: Trace formula consists of 4129 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 08:27:36,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 08:27:36,641 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-05 08:27:36,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 08:27:38,284 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-05 08:27:38,286 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 08:27:38,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1678690746] [2024-11-05 08:27:38,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1678690746] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 08:27:38,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 08:27:38,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-05 08:27:38,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383170192] [2024-11-05 08:27:38,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 08:27:38,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 08:27:38,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 08:27:38,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 08:27:38,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 08:27:38,317 INFO L87 Difference]: Start difference. First operand has 130 states, 87 states have (on average 1.264367816091954) internal successors, (110), 88 states have internal predecessors, (110), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-05 08:27:38,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 08:27:38,353 INFO L93 Difference]: Finished difference Result 251 states and 348 transitions. [2024-11-05 08:27:38,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 08:27:38,360 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 71 [2024-11-05 08:27:38,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 08:27:38,371 INFO L225 Difference]: With dead ends: 251 [2024-11-05 08:27:38,371 INFO L226 Difference]: Without dead ends: 125 [2024-11-05 08:27:38,377 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 08:27:38,384 INFO L432 NwaCegarLoop]: 170 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, 170 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 [2024-11-05 08:27:38,385 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 08:27:38,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-05 08:27:38,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-11-05 08:27:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 83 states have (on average 1.2530120481927711) internal successors, (104), 84 states have internal predecessors, (104), 31 states have call successors, (31), 10 states have call predecessors, (31), 10 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-11-05 08:27:38,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 165 transitions. [2024-11-05 08:27:38,450 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 165 transitions. Word has length 71 [2024-11-05 08:27:38,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 08:27:38,451 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 165 transitions. [2024-11-05 08:27:38,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2024-11-05 08:27:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 165 transitions. [2024-11-05 08:27:38,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-05 08:27:38,455 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 08:27:38,456 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 08:27:38,567 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 08:27:38,656 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 08:27:38,657 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 08:27:38,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 08:27:38,658 INFO L85 PathProgramCache]: Analyzing trace with hash 547077084, now seen corresponding path program 1 times [2024-11-05 08:27:38,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 08:27:38,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [443335248] [2024-11-05 08:27:38,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 08:27:38,658 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 08:27:38,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 08:27:38,661 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 08:27:38,662 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process