/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 'cvc4 --incremental --print-success --lang smt' -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-b75d321-m [2024-11-04 20:30:54,509 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:30:54,561 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 20:30:54,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:30:54,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:30:54,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:30:54,590 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:30:54,591 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:30:54,591 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:30:54,592 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:30:54,592 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:30:54,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:30:54,593 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:30:54,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:30:54,593 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:30:54,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:30:54,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:30:54,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:30:54,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:30:54,595 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:30:54,596 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:30:54,599 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:30:54,599 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:30:54,600 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:30:54,600 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:30:54,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:30:54,600 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:30:54,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:30:54,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:30:54,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:30:54,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:30:54,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:30:54,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:30:54,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:30:54,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:30:54,602 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:30:54,603 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:30:54,603 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:30:54,603 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:30:54,603 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:30:54,604 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:30:54,604 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:30:54,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:30:54,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:30:54,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:30:54,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:30:54,849 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:30:54,850 INFO L431 ainManager$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 [2024-11-04 20:30:56,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:30:56,773 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:30:56,774 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_relative_harness.i [2024-11-04 20:30:56,813 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f2f2a725/7545c74b86bf465bb1e7be057823d5fb/FLAGb38f30e0a [2024-11-04 20:30:56,828 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f2f2a725/7545c74b86bf465bb1e7be057823d5fb [2024-11-04 20:30:56,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:30:56,833 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:30:56,835 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:30:56,835 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:30:56,840 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:30:56,840 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aeaf976 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:56, skipping insertion in model container [2024-11-04 20:30:56,841 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:30:57,222 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] [2024-11-04 20:30:57,233 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] [2024-11-04 20:30:57,815 WARN 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 20:30:57,905 WARN 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 20:30:57,905 WARN 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 20:30:57,907 WARN 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 20:30:57,914 WARN 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 20:30:57,918 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,918 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,918 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,919 WARN 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 20:30:57,919 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,920 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,926 WARN 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 20:30:57,926 WARN 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 20:30:57,928 WARN 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 20:30:57,928 WARN 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 20:30:57,935 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,935 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:57,936 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,936 WARN 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 20:30:57,937 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,937 WARN 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 20:30:57,938 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,938 WARN 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 20:30:58,193 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,193 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,194 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,194 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,293 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,293 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,294 WARN 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 20:30:58,294 WARN 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 20:30:58,298 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,298 WARN 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 20:30:58,299 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,312 WARN 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 20:30:58,316 WARN 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 20:30:58,321 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,368 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,369 WARN 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 20:30:58,371 WARN 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 20:30:58,371 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:30:58,502 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:30:58,544 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:30:58,551 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] [2024-11-04 20:30:58,551 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] [2024-11-04 20:30:58,575 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,590 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,590 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,591 WARN 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 20:30:58,594 WARN 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 20:30:58,594 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,595 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,595 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,595 WARN 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 20:30:58,596 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,596 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,597 WARN 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 20:30:58,598 WARN 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 20:30:58,599 WARN 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 20:30:58,599 WARN 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 20:30:58,606 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,606 WARN 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 20:30:58,606 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,607 WARN 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 20:30:58,611 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,611 WARN 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 20:30:58,611 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,612 WARN 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 20:30:58,656 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,657 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,657 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,658 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,708 WARN 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 20:30:58,708 WARN 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 20:30:58,708 WARN 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 20:30:58,708 WARN 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 20:30:58,710 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,710 WARN 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 20:30:58,710 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,714 WARN 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 20:30:58,720 WARN 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 20:30:58,727 WARN 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 20:30:58,760 WARN 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 20:30:58,761 WARN 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 20:30:58,762 WARN 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 20:30:58,763 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,763 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:30:58,830 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:30:58,848 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] [2024-11-04 20:30:58,848 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] [2024-11-04 20:30:58,885 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,885 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,886 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,886 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,887 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,892 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,892 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,893 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,893 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,941 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,980 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8097] [2024-11-04 20:30:58,981 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,982 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,995 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8583-8594] [2024-11-04 20:30:59,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:30:59,223 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:30:59,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59 WrapperNode [2024-11-04 20:30:59,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:30:59,226 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:30:59,226 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:30:59,226 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:30:59,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59" (1/1) ... [2024-11-04 20:30:59,323 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59" (1/1) ... [2024-11-04 20:30:59,407 INFO L138 Inliner]: procedures = 701, calls = 2499, calls flagged for inlining = 58, calls inlined = 13, statements flattened = 1013 [2024-11-04 20:30:59,409 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:30:59,410 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:30:59,410 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:30:59,410 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:30:59,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59" (1/1) ... [2024-11-04 20:30:59,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59" (1/1) ... [2024-11-04 20:30:59,436 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59" (1/1) ... [2024-11-04 20:30:59,488 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-04 20:30:59,489 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59" (1/1) ... [2024-11-04 20:30:59,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59" (1/1) ... [2024-11-04 20:30:59,536 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59" (1/1) ... [2024-11-04 20:30:59,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59" (1/1) ... [2024-11-04 20:30:59,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59" (1/1) ... [2024-11-04 20:30:59,577 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59" (1/1) ... [2024-11-04 20:30:59,597 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:30:59,598 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:30:59,598 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:30:59,598 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:30:59,599 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59" (1/1) ... [2024-11-04 20:30:59,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:30:59,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:30:59,629 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 20:30:59,632 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 20:30:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-04 20:30:59,660 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-04 20:30:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:30:59,660 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:30:59,661 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:30:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-04 20:30:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-04 20:30:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-04 20:30:59,661 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 20:30:59,661 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 20:30:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:30:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:30:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:30:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:30:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-04 20:30:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:30:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:30:59,662 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:30:59,662 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:30:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-04 20:30:59,663 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-04 20:30:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-04 20:30:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-04 20:30:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-04 20:30:59,663 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-04 20:30:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:30:59,663 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:30:59,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:30:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-04 20:30:59,664 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-04 20:30:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-04 20:30:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-04 20:30:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-04 20:30:59,664 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 20:30:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 20:30:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-04 20:30:59,665 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-04 20:30:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-04 20:30:59,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-04 20:30:59,988 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:30:59,991 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:31:10,001 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-04 20:31:10,001 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:31:10,016 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:31:10,016 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-04 20:31:10,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:31:10 BoogieIcfgContainer [2024-11-04 20:31:10,017 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:31:10,019 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:31:10,019 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:31:10,023 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:31:10,023 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:30:56" (1/3) ... [2024-11-04 20:31:10,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d57be74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:31:10, skipping insertion in model container [2024-11-04 20:31:10,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59" (2/3) ... [2024-11-04 20:31:10,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d57be74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:31:10, skipping insertion in model container [2024-11-04 20:31:10,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:31:10" (3/3) ... [2024-11-04 20:31:10,028 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_relative_harness.i [2024-11-04 20:31:10,044 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:31:10,044 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:31:10,106 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:31:10,110 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;@74f9c511, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:31:10,111 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:31:10,116 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) [2024-11-04 20:31:10,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-04 20:31:10,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:31:10,127 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] [2024-11-04 20:31:10,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:31:10,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:31:10,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1362131233, now seen corresponding path program 1 times [2024-11-04 20:31:10,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:31:10,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1730976312] [2024-11-04 20:31:10,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:31:10,143 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:31:10,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:31:10,147 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:31:10,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 20:32:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:32:23,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 4056 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:32:23,416 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:32:23,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-04 20:32:23,442 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:32:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-04 20:32:24,225 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:32:24,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1730976312] [2024-11-04 20:32:24,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1730976312] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:32:24,226 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:32:24,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:32:24,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104215607] [2024-11-04 20:32:24,231 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:32:24,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:32:24,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:32:24,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:32:24,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:32:24,256 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 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-04 20:32:24,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:32:24,300 INFO L93 Difference]: Finished difference Result 310 states and 445 transitions. [2024-11-04 20:32:24,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:32:24,302 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47 [2024-11-04 20:32:24,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:32:24,312 INFO L225 Difference]: With dead ends: 310 [2024-11-04 20:32:24,312 INFO L226 Difference]: Without dead ends: 155 [2024-11-04 20:32:24,320 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:32:24,323 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 [2024-11-04 20:32:24,324 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] [2024-11-04 20:32:24,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-04 20:32:24,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-11-04 20:32:24,365 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) [2024-11-04 20:32:24,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 207 transitions. [2024-11-04 20:32:24,369 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 207 transitions. Word has length 47 [2024-11-04 20:32:24,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:32:24,372 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 207 transitions. [2024-11-04 20:32:24,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2024-11-04 20:32:24,372 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 207 transitions. [2024-11-04 20:32:24,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-04 20:32:24,374 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:32:24,375 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] [2024-11-04 20:32:24,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-04 20:32:24,575 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:32:24,576 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:32:24,576 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:32:24,577 INFO L85 PathProgramCache]: Analyzing trace with hash 399886819, now seen corresponding path program 1 times [2024-11-04 20:32:24,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:32:24,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [641953635] [2024-11-04 20:32:24,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:32:24,577 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:32:24,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:32:24,580 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:32:24,581 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process