/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 FOX -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-17387ad-m [2024-11-06 14:04:50,641 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-06 14:04:50,690 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 14:04:50,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-06 14:04:50,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-06 14:04:50,715 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-06 14:04:50,716 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-06 14:04:50,717 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-06 14:04:50,717 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-06 14:04:50,717 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-06 14:04:50,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-06 14:04:50,718 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-06 14:04:50,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-06 14:04:50,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-06 14:04:50,718 INFO L153 SettingsManager]: * Use SBE=true [2024-11-06 14:04:50,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-06 14:04:50,719 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-06 14:04:50,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-06 14:04:50,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-06 14:04:50,720 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-06 14:04:50,720 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-06 14:04:50,722 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-06 14:04:50,723 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-06 14:04:50,723 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-06 14:04:50,723 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-06 14:04:50,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-06 14:04:50,723 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-06 14:04:50,723 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-06 14:04:50,724 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-06 14:04:50,724 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-06 14:04:50,724 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-06 14:04:50,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:04:50,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-06 14:04:50,725 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-06 14:04:50,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-06 14:04:50,725 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-06 14:04:50,725 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-06 14:04:50,725 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-06 14:04:50,726 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-06 14:04:50,726 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-06 14:04:50,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-06 14:04:50,729 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FOX [2024-11-06 14:04:50,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-06 14:04:50,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-06 14:04:50,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-06 14:04:50,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-06 14:04:50,922 INFO L274 PluginConnector]: CDTParser initialized [2024-11-06 14:04:50,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2024-11-06 14:04:52,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-06 14:04:52,446 INFO L384 CDTParser]: Found 1 translation units. [2024-11-06 14:04:52,446 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2024-11-06 14:04:52,474 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e341751f/662ff9c406f3491b802612368975de04/FLAGd49f0b135 [2024-11-06 14:04:52,678 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e341751f/662ff9c406f3491b802612368975de04 [2024-11-06 14:04:52,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-06 14:04:52,681 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-06 14:04:52,681 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-06 14:04:52,681 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-06 14:04:52,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-06 14:04:52,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:04:52" (1/1) ... [2024-11-06 14:04:52,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63e336e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:52, skipping insertion in model container [2024-11-06 14:04:52,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 02:04:52" (1/1) ... [2024-11-06 14:04:52,762 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:04:52,959 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_reserve_relative_harness.i[4503,4516] [2024-11-06 14:04:52,967 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_reserve_relative_harness.i[4563,4576] [2024-11-06 14:04:53,476 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 14:04:53,557 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 14:04:53,557 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 14:04:53,558 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 14:04:53,566 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 14:04:53,570 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:53,570 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:53,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:53,571 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 14:04:53,571 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:53,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:53,576 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 14:04:53,577 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 14:04:53,579 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 14:04:53,579 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 14:04:53,587 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:53,588 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 14:04:53,588 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:53,588 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 14:04:53,589 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:53,589 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 14:04:53,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:53,590 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 14:04:53,882 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 14:04:53,883 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 14:04:53,883 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 14:04:53,884 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 14:04:53,971 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 14:04:53,972 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 14:04:53,972 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 14:04:53,972 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 14:04:53,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:53,973 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 14:04:53,973 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:53,980 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 14:04:53,983 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 14:04:53,987 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:54,032 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 14:04:54,033 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 14:04:54,034 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 14:04:54,035 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,035 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,090 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:04:54,150 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-06 14:04:54,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-06 14:04:54,179 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_reserve_relative_harness.i[4503,4516] [2024-11-06 14:04:54,179 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_reserve_relative_harness.i[4563,4576] [2024-11-06 14:04:54,195 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 14:04:54,203 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 14:04:54,203 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 14:04:54,204 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:54,206 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:54,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,206 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,207 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:54,207 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,207 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,208 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:54,208 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-06 14:04:54,209 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 14:04:54,209 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 14:04:54,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,212 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 14:04:54,212 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,212 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 14:04:54,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,213 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 14:04:54,213 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,213 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 14:04:54,266 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 14:04:54,267 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 14:04:54,267 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 14:04:54,267 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 14:04:54,291 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 14:04:54,292 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 14:04:54,292 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 14:04:54,292 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 14:04:54,293 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,293 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 14:04:54,293 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,295 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 14:04:54,297 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 14:04:54,305 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 14:04:54,335 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 14:04:54,337 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 14:04:54,339 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 14:04:54,339 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,339 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:04:54,399 INFO L200 MainTranslator]: Completed pre-run [2024-11-06 14:04:54,410 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness.i[4503,4516] [2024-11-06 14:04:54,411 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_reserve_relative_harness.i[4563,4576] [2024-11-06 14:04:54,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,476 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,476 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,476 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,476 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,515 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,546 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2024-11-06 14:04:54,547 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,547 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-06 14:04:54,555 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2024-11-06 14:04:54,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-06 14:04:54,712 INFO L204 MainTranslator]: Completed translation [2024-11-06 14:04:54,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54 WrapperNode [2024-11-06 14:04:54,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-06 14:04:54,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-06 14:04:54,713 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-06 14:04:54,713 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-06 14:04:54,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,831 INFO L138 Inliner]: procedures = 701, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1013 [2024-11-06 14:04:54,831 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-06 14:04:54,832 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-06 14:04:54,832 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-06 14:04:54,832 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-06 14:04:54,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,853 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,893 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-06 14:04:54,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,919 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,930 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,933 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-06 14:04:54,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-06 14:04:54,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-06 14:04:54,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-06 14:04:54,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54" (1/1) ... [2024-11-06 14:04:54,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-06 14:04:54,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:04:54,971 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 14:04:54,973 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 14:04:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-06 14:04:54,993 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-06 14:04:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-06 14:04:54,993 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-06 14:04:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-06 14:04:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-06 14:04:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-06 14:04:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-06 14:04:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-06 14:04:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-06 14:04:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-06 14:04:54,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-06 14:04:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-06 14:04:54,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-06 14:04:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-06 14:04:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-06 14:04:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-06 14:04:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-06 14:04:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-06 14:04:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-06 14:04:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-06 14:04:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-06 14:04:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-06 14:04:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-06 14:04:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-06 14:04:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-06 14:04:54,995 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-06 14:04:54,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-06 14:04:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-06 14:04:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-06 14:04:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-06 14:04:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-06 14:04:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-06 14:04:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-06 14:04:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-06 14:04:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-06 14:04:54,996 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-06 14:04:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-06 14:04:54,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-06 14:04:55,237 INFO L238 CfgBuilder]: Building ICFG [2024-11-06 14:04:55,239 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-06 14:05:04,170 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-06 14:05:04,171 INFO L287 CfgBuilder]: Performing block encoding [2024-11-06 14:05:04,182 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-06 14:05:04,182 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-06 14:05:04,182 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:05:04 BoogieIcfgContainer [2024-11-06 14:05:04,183 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-06 14:05:04,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-06 14:05:04,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-06 14:05:04,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-06 14:05:04,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 02:04:52" (1/3) ... [2024-11-06 14:05:04,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b682f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:05:04, skipping insertion in model container [2024-11-06 14:05:04,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 02:04:54" (2/3) ... [2024-11-06 14:05:04,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b682f7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 02:05:04, skipping insertion in model container [2024-11-06 14:05:04,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 02:05:04" (3/3) ... [2024-11-06 14:05:04,189 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness.i [2024-11-06 14:05:04,200 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-06 14:05:04,200 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-06 14:05:04,247 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-06 14:05:04,251 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;@76faa59a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-06 14:05:04,251 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-06 14:05:04,255 INFO L276 IsEmpty]: Start isEmpty. Operand has 160 states, 111 states have (on average 1.3153153153153154) internal successors, (146), 110 states have internal predecessors, (146), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-06 14:05:04,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-06 14:05:04,261 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:05:04,262 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 14:05:04,262 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:05:04,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:05:04,265 INFO L85 PathProgramCache]: Analyzing trace with hash -1362131233, now seen corresponding path program 1 times [2024-11-06 14:05:04,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:05:04,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1506126537] [2024-11-06 14:05:04,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:05:04,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:05:04,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:05:04,286 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) [2024-11-06 14:05:04,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-06 14:06:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-06 14:06:19,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 4056 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-06 14:06:19,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-06 14:06:19,515 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 14:06:19,516 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-06 14:06:19,516 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-06 14:06:19,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1506126537] [2024-11-06 14:06:19,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1506126537] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-06 14:06:19,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-06 14:06:19,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-06 14:06:19,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636263758] [2024-11-06 14:06:19,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-06 14:06:19,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-06 14:06:19,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-06 14:06:19,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-06 14:06:19,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-06 14:06:19,548 INFO L87 Difference]: Start difference. First operand has 160 states, 111 states have (on average 1.3153153153153154) internal successors, (146), 110 states have internal predecessors, (146), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-06 14:06:19,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-06 14:06:19,586 INFO L93 Difference]: Finished difference Result 310 states and 445 transitions. [2024-11-06 14:06:19,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-06 14:06:19,588 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 47 [2024-11-06 14:06:19,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-06 14:06:19,597 INFO L225 Difference]: With dead ends: 310 [2024-11-06 14:06:19,597 INFO L226 Difference]: Without dead ends: 155 [2024-11-06 14:06:19,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 46 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 14:06:19,605 INFO L432 NwaCegarLoop]: 212 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, 212 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 14:06:19,605 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 212 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-06 14:06:19,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-06 14:06:19,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-06 14:06:19,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 105 states have (on average 1.2571428571428571) internal successors, (132), 106 states have internal predecessors, (132), 38 states have call successors, (38), 11 states have call predecessors, (38), 11 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-06 14:06:19,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 207 transitions. [2024-11-06 14:06:19,642 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 207 transitions. Word has length 47 [2024-11-06 14:06:19,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-06 14:06:19,642 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 207 transitions. [2024-11-06 14:06:19,643 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-06 14:06:19,643 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 207 transitions. [2024-11-06 14:06:19,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-06 14:06:19,644 INFO L207 NwaCegarLoop]: Found error trace [2024-11-06 14:06:19,644 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-06 14:06:19,704 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-06 14:06:19,845 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 [2024-11-06 14:06:19,845 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-06 14:06:19,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-06 14:06:19,845 INFO L85 PathProgramCache]: Analyzing trace with hash 399886819, now seen corresponding path program 1 times [2024-11-06 14:06:19,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-06 14:06:19,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1472725375] [2024-11-06 14:06:19,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-06 14:06:19,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-06 14:06:19,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-06 14:06:19,851 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) [2024-11-06 14:06:19,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process