/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_byte_cursor_from_buf_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 14:56:59,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 14:56:59,577 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 14:56:59,580 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 14:56:59,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 14:56:59,599 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 14:56:59,599 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 14:56:59,600 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 14:56:59,600 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 14:56:59,603 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 14:56:59,603 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 14:56:59,603 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 14:56:59,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 14:56:59,604 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 14:56:59,604 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 14:56:59,604 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 14:56:59,605 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 14:56:59,605 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 14:56:59,605 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 14:56:59,605 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 14:56:59,605 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 14:56:59,607 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 14:56:59,607 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 14:56:59,607 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 14:56:59,607 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 14:56:59,608 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 14:56:59,608 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 14:56:59,608 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 14:56:59,608 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 14:56:59,608 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 14:56:59,608 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 14:56:59,608 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:56:59,609 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 14:56:59,609 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 14:56:59,609 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 14:56:59,609 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 14:56:59,609 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 14:56:59,609 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 14:56:59,610 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 14:56:59,610 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 14:56:59,610 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 14:56:59,611 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:56:59,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 14:56:59,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 14:56:59,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 14:56:59,806 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 14:56:59,806 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 14:56:59,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_cursor_from_buf_harness.i [2024-11-04 14:57:01,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 14:57:01,419 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 14:57:01,419 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_from_buf_harness.i [2024-11-04 14:57:01,453 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a6bd477/75ee2d9e02cd4d5a82714bd338a89d1d/FLAGb0c49eedf [2024-11-04 14:57:01,622 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a6bd477/75ee2d9e02cd4d5a82714bd338a89d1d [2024-11-04 14:57:01,624 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 14:57:01,625 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 14:57:01,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 14:57:01,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 14:57:01,632 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 14:57:01,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:57:01" (1/1) ... [2024-11-04 14:57:01,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7cd0301d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:01, skipping insertion in model container [2024-11-04 14:57:01,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 02:57:01" (1/1) ... [2024-11-04 14:57:01,729 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:57:01,937 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_cursor_from_buf_harness.i[4498,4511] [2024-11-04 14:57:01,945 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_cursor_from_buf_harness.i[4558,4571] [2024-11-04 14:57:02,444 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,518 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,519 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,519 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,523 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:02,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:02,525 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:02,526 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:02,527 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:02,529 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,531 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,533 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,533 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:02,538 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:02,539 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:02,540 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:02,541 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,803 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,804 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,804 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,805 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,923 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,942 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,949 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,955 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,987 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,988 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,989 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:02,990 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:02,990 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:57:03,099 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 14:57:03,144 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 14:57:03,148 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_cursor_from_buf_harness.i[4498,4511] [2024-11-04 14:57:03,149 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_cursor_from_buf_harness.i[4558,4571] [2024-11-04 14:57:03,167 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,174 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,174 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,175 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,176 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,177 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,177 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,177 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,177 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,178 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,178 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,179 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,179 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,180 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,180 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,182 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,182 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,182 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,182 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,183 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,183 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,183 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,183 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,204 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,205 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,205 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,205 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,220 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,224 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,228 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,230 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,257 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,258 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,259 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 14:57:03,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:57:03,311 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 14:57:03,324 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_cursor_from_buf_harness.i[4498,4511] [2024-11-04 14:57:03,325 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_cursor_from_buf_harness.i[4558,4571] [2024-11-04 14:57:03,351 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,352 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,352 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,352 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,353 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,428 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8269] [2024-11-04 14:57:03,430 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,431 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 14:57:03,441 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8755-8766] [2024-11-04 14:57:03,450 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 14:57:03,635 INFO L204 MainTranslator]: Completed translation [2024-11-04 14:57:03,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03 WrapperNode [2024-11-04 14:57:03,636 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 14:57:03,637 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 14:57:03,637 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 14:57:03,637 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 14:57:03,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03" (1/1) ... [2024-11-04 14:57:03,730 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03" (1/1) ... [2024-11-04 14:57:03,845 INFO L138 Inliner]: procedures = 699, calls = 2633, calls flagged for inlining = 61, calls inlined = 9, statements flattened = 871 [2024-11-04 14:57:03,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 14:57:03,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 14:57:03,847 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 14:57:03,847 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 14:57:03,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03" (1/1) ... [2024-11-04 14:57:03,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03" (1/1) ... [2024-11-04 14:57:03,866 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03" (1/1) ... [2024-11-04 14:57:03,934 INFO L175 MemorySlicer]: Split 565 memory accesses to 6 slices as follows [2, 257, 247, 6, 39, 14]. 45 percent of accesses are in the largest equivalence class. The 23 initializations are split as follows [2, 0, 11, 0, 8, 2]. The 495 writes are split as follows [0, 257, 232, 2, 2, 2]. [2024-11-04 14:57:03,934 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03" (1/1) ... [2024-11-04 14:57:03,934 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03" (1/1) ... [2024-11-04 14:57:03,977 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03" (1/1) ... [2024-11-04 14:57:03,983 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03" (1/1) ... [2024-11-04 14:57:03,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03" (1/1) ... [2024-11-04 14:57:04,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03" (1/1) ... [2024-11-04 14:57:04,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 14:57:04,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 14:57:04,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 14:57:04,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 14:57:04,021 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03" (1/1) ... [2024-11-04 14:57:04,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 14:57:04,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:57:04,049 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-04 14:57:04,050 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-04 14:57:04,069 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-04 14:57:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-04 14:57:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_is_valid [2024-11-04 14:57:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_is_valid [2024-11-04 14:57:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 14:57:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 14:57:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 14:57:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 14:57:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_cursor_from_buf [2024-11-04 14:57:04,072 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_cursor_from_buf [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 14:57:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 14:57:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 14:57:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-04 14:57:04,073 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 14:57:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 14:57:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 14:57:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 14:57:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 14:57:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 14:57:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 14:57:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 14:57:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 14:57:04,074 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 14:57:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 14:57:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 14:57:04,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 14:57:04,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 14:57:04,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 14:57:04,079 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-04 14:57:04,079 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 14:57:04,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 14:57:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 14:57:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#4 [2024-11-04 14:57:04,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#5 [2024-11-04 14:57:04,347 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 14:57:04,349 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 14:57:13,477 INFO L? ?]: Removed 125 outVars from TransFormulas that were not future-live. [2024-11-04 14:57:13,477 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 14:57:13,486 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 14:57:13,486 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-04 14:57:13,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:57:13 BoogieIcfgContainer [2024-11-04 14:57:13,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 14:57:13,488 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 14:57:13,488 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 14:57:13,490 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 14:57:13,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 02:57:01" (1/3) ... [2024-11-04 14:57:13,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8c41c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:57:13, skipping insertion in model container [2024-11-04 14:57:13,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 02:57:03" (2/3) ... [2024-11-04 14:57:13,491 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d8c41c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 02:57:13, skipping insertion in model container [2024-11-04 14:57:13,491 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 02:57:13" (3/3) ... [2024-11-04 14:57:13,491 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_from_buf_harness.i [2024-11-04 14:57:13,502 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 14:57:13,502 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 14:57:13,546 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 14:57:13,552 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;@71eaba7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 14:57:13,553 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 14:57:13,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 128 states, 88 states have (on average 1.25) internal successors, (110), 89 states have internal predecessors, (110), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-04 14:57:13,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-04 14:57:13,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:57:13,563 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 14:57:13,564 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:57:13,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:57:13,567 INFO L85 PathProgramCache]: Analyzing trace with hash -1503850868, now seen corresponding path program 1 times [2024-11-04 14:57:13,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:57:13,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1168177290] [2024-11-04 14:57:13,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:57:13,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:57:13,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:57:13,576 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:57:13,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 14:58:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 14:58:24,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 4160 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-04 14:58:24,295 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 14:58:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-04 14:58:26,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 14:58:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-04 14:58:29,764 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 14:58:29,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1168177290] [2024-11-04 14:58:29,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1168177290] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 14:58:29,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 14:58:29,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2024-11-04 14:58:29,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253643017] [2024-11-04 14:58:29,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 14:58:29,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-04 14:58:29,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 14:58:29,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-04 14:58:29,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-04 14:58:29,787 INFO L87 Difference]: Start difference. First operand has 128 states, 88 states have (on average 1.25) internal successors, (110), 89 states have internal predecessors, (110), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-04 14:58:31,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 14:58:31,279 INFO L93 Difference]: Finished difference Result 255 states and 352 transitions. [2024-11-04 14:58:31,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 14:58:31,282 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 65 [2024-11-04 14:58:31,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 14:58:31,287 INFO L225 Difference]: With dead ends: 255 [2024-11-04 14:58:31,287 INFO L226 Difference]: Without dead ends: 124 [2024-11-04 14:58:31,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-04 14:58:31,292 INFO L432 NwaCegarLoop]: 155 mSDtfsCounter, 30 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 555 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-04 14:58:31,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 555 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-04 14:58:31,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-04 14:58:31,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2024-11-04 14:58:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 84 states have (on average 1.2142857142857142) internal successors, (102), 86 states have internal predecessors, (102), 28 states have call successors, (28), 10 states have call predecessors, (28), 11 states have return successors, (28), 27 states have call predecessors, (28), 27 states have call successors, (28) [2024-11-04 14:58:31,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 158 transitions. [2024-11-04 14:58:31,322 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 158 transitions. Word has length 65 [2024-11-04 14:58:31,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 14:58:31,322 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 158 transitions. [2024-11-04 14:58:31,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 3 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2024-11-04 14:58:31,323 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 158 transitions. [2024-11-04 14:58:31,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-04 14:58:31,324 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 14:58:31,324 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 14:58:31,387 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-04 14:58:31,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:58:31,525 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 14:58:31,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 14:58:31,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1928733015, now seen corresponding path program 1 times [2024-11-04 14:58:31,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 14:58:31,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256769139] [2024-11-04 14:58:31,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 14:58:31,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 14:58:31,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 14:58:31,528 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 14:58:31,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process