/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 --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.trace.refinement.strategy WOLF -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_init_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 05:06:17,859 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 05:06:17,917 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-06 05:06:17,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 05:06:17,922 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 05:06:17,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 05:06:17,945 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 05:06:17,945 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 05:06:17,945 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 05:06:17,946 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 05:06:17,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 05:06:17,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 05:06:17,947 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 05:06:17,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 05:06:17,947 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 05:06:17,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 05:06:17,947 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 05:06:17,948 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 05:06:17,948 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 05:06:17,949 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 05:06:17,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 05:06:17,950 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 05:06:17,950 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 05:06:17,950 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 05:06:17,951 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 05:06:17,951 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 05:06:17,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 05:06:17,951 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 05:06:17,951 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 05:06:17,952 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 05:06:17,952 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 05:06:17,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 05:06:17,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 05:06:17,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 05:06:17,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 05:06:17,952 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 05:06:17,953 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 05:06:17,953 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 05:06:17,953 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 05:06:17,953 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 05:06:17,953 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 05:06:17,954 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> WOLF [2024-11-06 05:06:18,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 05:06:18,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 05:06:18,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 05:06:18,145 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 05:06:18,145 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 05:06:18,146 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_init_harness.i [2024-11-06 05:06:19,379 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 05:06:19,711 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 05:06:19,711 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_init_harness.i [2024-11-06 05:06:19,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3c1ca069/d44752eff14c4a35908535903d11427a/FLAGacc7f5fc0 [2024-11-06 05:06:19,944 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d3c1ca069/d44752eff14c4a35908535903d11427a [2024-11-06 05:06:19,946 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 05:06:19,947 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 05:06:19,948 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 05:06:19,948 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 05:06:19,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 05:06:19,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:06:19" (1/1) ... [2024-11-06 05:06:19,954 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65be7c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:19, skipping insertion in model container [2024-11-06 05:06:19,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 05:06:19" (1/1) ... [2024-11-06 05:06:20,039 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 05:06:20,271 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_harness.i[4491,4504] [2024-11-06 05:06:20,281 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_harness.i[4551,4564] [2024-11-06 05:06:20,763 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:20,849 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:20,850 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:20,851 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:20,859 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:20,860 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:20,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:20,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:20,861 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:20,861 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:20,864 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:20,867 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:20,868 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:20,869 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:20,872 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:20,880 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:20,882 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:20,882 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:20,884 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:20,885 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:20,885 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:20,886 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:20,886 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,179 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,179 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,180 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,180 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,275 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,278 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,282 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,321 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,322 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,324 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,324 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,324 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 05:06:21,448 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 05:06:21,476 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 05:06:21,481 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_harness.i[4491,4504] [2024-11-06 05:06:21,481 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_harness.i[4551,4564] [2024-11-06 05:06:21,501 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,514 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,514 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,515 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,517 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,518 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,519 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,519 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,521 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,522 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,522 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,523 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,523 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,526 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,527 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,529 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,529 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,530 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,530 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,575 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,576 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,576 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,576 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,603 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,605 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,608 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,634 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,637 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,639 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 05:06:21,640 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,640 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 05:06:21,688 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 05:06:21,704 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_harness.i[4491,4504] [2024-11-06 05:06:21,704 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_harness.i[4551,4564] [2024-11-06 05:06:21,738 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,738 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,738 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,739 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,739 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,743 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,743 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,744 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,744 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,834 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8051] [2024-11-06 05:06:21,836 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,836 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 05:06:21,845 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8537-8548] [2024-11-06 05:06:21,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 05:06:22,031 INFO L204 MainTranslator]: Completed translation [2024-11-06 05:06:22,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22 WrapperNode [2024-11-06 05:06:22,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 05:06:22,033 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 05:06:22,033 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 05:06:22,033 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 05:06:22,038 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22" (1/1) ... [2024-11-06 05:06:22,136 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22" (1/1) ... [2024-11-06 05:06:22,206 INFO L138 Inliner]: procedures = 699, calls = 2495, calls flagged for inlining = 55, calls inlined = 6, statements flattened = 790 [2024-11-06 05:06:22,207 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 05:06:22,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 05:06:22,207 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 05:06:22,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 05:06:22,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22" (1/1) ... [2024-11-06 05:06:22,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22" (1/1) ... [2024-11-06 05:06:22,226 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22" (1/1) ... [2024-11-06 05:06:22,285 INFO L175 MemorySlicer]: Split 522 memory accesses to 5 slices as follows [2, 257, 238, 20, 5]. 49 percent of accesses are in the largest equivalence class. The 17 initializations are split as follows [2, 0, 6, 4, 5]. The 493 writes are split as follows [0, 257, 232, 4, 0]. [2024-11-06 05:06:22,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22" (1/1) ... [2024-11-06 05:06:22,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22" (1/1) ... [2024-11-06 05:06:22,311 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22" (1/1) ... [2024-11-06 05:06:22,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22" (1/1) ... [2024-11-06 05:06:22,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22" (1/1) ... [2024-11-06 05:06:22,339 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22" (1/1) ... [2024-11-06 05:06:22,352 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 05:06:22,353 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 05:06:22,353 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 05:06:22,353 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 05:06:22,353 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22" (1/1) ... [2024-11-06 05:06:22,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 05:06:22,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 05:06:22,380 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) [2024-11-06 05:06:22,382 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 [2024-11-06 05:06:22,400 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-06 05:06:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-06 05:06:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 05:06:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 05:06:22,401 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 05:06:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-06 05:06:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-06 05:06:22,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-06 05:06:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-06 05:06:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-06 05:06:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-06 05:06:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-06 05:06:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-06 05:06:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-06 05:06:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-06 05:06:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-06 05:06:22,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-06 05:06:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-06 05:06:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-06 05:06:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-06 05:06:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-06 05:06:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-06 05:06:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-06 05:06:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-06 05:06:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 05:06:22,403 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 05:06:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 05:06:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 05:06:22,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 05:06:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 05:06:22,404 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-06 05:06:22,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-06 05:06:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-06 05:06:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-06 05:06:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 05:06:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 05:06:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-06 05:06:22,405 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-06 05:06:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 05:06:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-06 05:06:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-06 05:06:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-06 05:06:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-06 05:06:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-06 05:06:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-06 05:06:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-06 05:06:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-06 05:06:22,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-06 05:06:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-06 05:06:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-06 05:06:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-06 05:06:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-06 05:06:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-06 05:06:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-06 05:06:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-06 05:06:22,406 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-06 05:06:22,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-06 05:06:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-06 05:06:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-06 05:06:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-06 05:06:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-06 05:06:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-06 05:06:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-06 05:06:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-06 05:06:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-06 05:06:22,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-06 05:06:22,665 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 05:06:22,667 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 05:06:31,146 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-06 05:06:31,146 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 05:06:31,155 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 05:06:31,155 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-06 05:06:31,156 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:06:31 BoogieIcfgContainer [2024-11-06 05:06:31,156 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 05:06:31,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 05:06:31,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 05:06:31,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 05:06:31,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 05:06:19" (1/3) ... [2024-11-06 05:06:31,160 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b46f185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:06:31, skipping insertion in model container [2024-11-06 05:06:31,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 05:06:22" (2/3) ... [2024-11-06 05:06:31,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b46f185 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 05:06:31, skipping insertion in model container [2024-11-06 05:06:31,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 05:06:31" (3/3) ... [2024-11-06 05:06:31,162 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_init_harness.i [2024-11-06 05:06:31,174 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 05:06:31,174 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 05:06:31,228 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 05:06:31,233 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;@3b539cf8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 05:06:31,235 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 05:06:31,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-06 05:06:31,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-06 05:06:31,246 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 05:06:31,247 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 05:06:31,247 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 05:06:31,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 05:06:31,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1960111620, now seen corresponding path program 1 times [2024-11-06 05:06:31,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 05:06:31,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401652731] [2024-11-06 05:06:31,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 05:06:31,268 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 [2024-11-06 05:06:31,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 05:06:31,272 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) [2024-11-06 05:06:31,275 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 [2024-11-06 05:07:50,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 05:07:50,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 4056 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 05:07:50,287 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 05:07:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-06 05:07:50,297 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 05:07:50,298 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-06 05:07:50,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401652731] [2024-11-06 05:07:50,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401652731] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 05:07:50,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 05:07:50,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 05:07:50,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440604562] [2024-11-06 05:07:50,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 05:07:50,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 05:07:50,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-06 05:07:50,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 05:07:50,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 05:07:50,327 INFO L87 Difference]: Start difference. First operand has 100 states, 68 states have (on average 1.2352941176470589) internal successors, (84), 69 states have internal predecessors, (84), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-06 05:07:50,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 05:07:50,351 INFO L93 Difference]: Finished difference Result 194 states and 253 transitions. [2024-11-06 05:07:50,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 05:07:50,353 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2024-11-06 05:07:50,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 05:07:50,358 INFO L225 Difference]: With dead ends: 194 [2024-11-06 05:07:50,358 INFO L226 Difference]: Without dead ends: 94 [2024-11-06 05:07:50,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 05:07:50,363 INFO L432 NwaCegarLoop]: 122 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, 122 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 [2024-11-06 05:07:50,363 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 05:07:50,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-06 05:07:50,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-06 05:07:50,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 63 states have (on average 1.2063492063492063) internal successors, (76), 64 states have internal predecessors, (76), 20 states have call successors, (20), 10 states have call predecessors, (20), 10 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-06 05:07:50,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 115 transitions. [2024-11-06 05:07:50,394 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 115 transitions. Word has length 32 [2024-11-06 05:07:50,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 05:07:50,395 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 115 transitions. [2024-11-06 05:07:50,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-06 05:07:50,397 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 115 transitions. [2024-11-06 05:07:50,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-06 05:07:50,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 05:07:50,398 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-06 05:07:50,493 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 [2024-11-06 05:07:50,599 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 [2024-11-06 05:07:50,599 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 05:07:50,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 05:07:50,600 INFO L85 PathProgramCache]: Analyzing trace with hash 965362492, now seen corresponding path program 1 times [2024-11-06 05:07:50,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-06 05:07:50,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1595512599] [2024-11-06 05:07:50,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 05:07:50,604 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 [2024-11-06 05:07:50,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-06 05:07:50,606 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) [2024-11-06 05:07:50,607 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