/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_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:30:54,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:30:54,432 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 20:30:54,436 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:30:54,436 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:30:54,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:30:54,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:30:54,467 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:30:54,468 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:30:54,468 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:30:54,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:30:54,469 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:30:54,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:30:54,474 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:30:54,475 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:30:54,475 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:30:54,475 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:30:54,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:30:54,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:30:54,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:30:54,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:30:54,479 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:30:54,479 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:30:54,479 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:30:54,479 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:30:54,480 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:30:54,480 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:30:54,480 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:30:54,480 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:30:54,481 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:30:54,481 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:30:54,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:30:54,481 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:30:54,481 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:30:54,482 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:30:54,482 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:30:54,483 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:30:54,483 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:30:54,484 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:30:54,484 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:30:54,484 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:30:54,484 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:30:54,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:30:54,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:30:54,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:30:54,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:30:54,737 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:30:54,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2024-11-04 20:30:56,080 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:30:56,524 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:30:56,524 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_buf_reserve_harness_negated.i [2024-11-04 20:30:56,558 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3dc847cc/e347f88692f24c90ba597f2995eb98be/FLAGeddb23e95 [2024-11-04 20:30:56,573 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3dc847cc/e347f88692f24c90ba597f2995eb98be [2024-11-04 20:30:56,576 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:30:56,577 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:30:56,580 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:30:56,580 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:30:56,585 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:30:56,585 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,586 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa75ff9 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 20:30:56,586 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:30:56" (1/1) ... [2024-11-04 20:30:56,700 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:30:56,998 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_harness_negated.i[4494,4507] [2024-11-04 20:30:57,008 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_harness_negated.i[4554,4567] [2024-11-04 20:30:57,637 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:57,734 WARN 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 20:30:57,735 WARN 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 20:30:57,736 WARN 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 20:30:57,742 WARN 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 20:30:57,745 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,745 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,745 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,746 WARN 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 20:30:57,748 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,750 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,753 WARN 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 20:30:57,753 WARN 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 20:30:57,757 WARN 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 20:30:57,757 WARN 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 20:30:57,770 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,770 WARN 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 20:30:57,771 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,771 WARN 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 20:30:57,773 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,773 WARN 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 20:30:57,774 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:57,774 WARN 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 20:30:58,098 WARN 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 20:30:58,099 WARN 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 20:30:58,100 WARN 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 20:30:58,100 WARN 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 20:30:58,214 WARN 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 20:30:58,226 WARN 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 20:30:58,227 WARN 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 20:30:58,227 WARN 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 20:30:58,227 WARN 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 20:30:58,228 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,230 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,242 WARN 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 20:30:58,246 WARN 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 20:30:58,252 WARN 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 20:30:58,308 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:30:58,310 WARN 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 20:30:58,312 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 20:30:58,313 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,313 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:30:58,473 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:30:58,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:30:58,554 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_harness_negated.i[4494,4507] [2024-11-04 20:30:58,555 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_harness_negated.i[4554,4567] [2024-11-04 20:30:58,586 WARN 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 20:30:58,601 WARN 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 20:30:58,604 WARN 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 20:30:58,608 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,609 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,609 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,610 WARN 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 20:30:58,610 WARN L1674 CHandler]: Possible shadowing of function index [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 20:30:58,616 WARN 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 20:30:58,617 WARN 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 20:30:58,618 WARN 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 20:30:58,624 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,624 WARN 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 20:30:58,625 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,625 WARN 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 20:30:58,626 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,630 WARN 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 20:30:58,631 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,631 WARN 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 20:30:58,686 WARN 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 20:30:58,686 WARN 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 20:30:58,687 WARN 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 20:30:58,687 WARN 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 20:30:58,722 WARN 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 20:30:58,728 WARN 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 20:30:58,728 WARN 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 20:30:58,729 WARN 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 20:30:58,729 WARN 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 20:30:58,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,730 WARN 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 20:30:58,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,736 WARN 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 20:30:58,739 WARN 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 20:30:58,744 WARN 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 20:30:58,784 WARN 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 20:30:58,785 WARN 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 20:30:58,786 WARN 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 20:30:58,787 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,787 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:30:58,852 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:30:58,869 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_harness_negated.i[4494,4507] [2024-11-04 20:30:58,869 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_harness_negated.i[4554,4567] [2024-11-04 20:30:58,904 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,904 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,904 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,907 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,907 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,911 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:58,969 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:59,010 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8283] [2024-11-04 20:30:59,012 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:59,013 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:30:59,026 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [8769-8780] [2024-11-04 20:30:59,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:30:59,243 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:30:59,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:30:59 WrapperNode [2024-11-04 20:30:59,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:30:59,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:30:59,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:30:59,244 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:30:59,250 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 20:30:59,374 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 20:30:59,461 INFO L138 Inliner]: procedures = 701, calls = 2620, calls flagged for inlining = 59, calls inlined = 10, statements flattened = 964 [2024-11-04 20:30:59,462 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:30:59,463 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:30:59,463 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:30:59,463 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:30:59,475 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 20:30:59,475 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 20:30:59,494 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 20:30:59,542 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2024-11-04 20:30:59,543 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 20:30:59,543 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 20:30:59,594 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 20:30:59,598 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 20:30:59,606 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 20:30:59,617 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 20:30:59,636 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:30:59,638 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:30:59,638 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:30:59,638 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:30:59,638 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 20:30:59,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:30:59,653 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:30:59,667 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 20:30:59,672 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 20:30:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_is_valid [2024-11-04 20:30:59,696 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_is_valid [2024-11-04 20:30:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:30:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:30:59,697 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:30:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-04 20:30:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-04 20:30:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8 [2024-11-04 20:30:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 20:30:59,698 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 20:30:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:30:59,698 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:30:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:30:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:30:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-04 20:30:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:30:59,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:30:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:30:59,698 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:30:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-04 20:30:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_realloc [2024-11-04 20:30:59,699 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_realloc [2024-11-04 20:30:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8 [2024-11-04 20:30:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-04 20:30:59,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-04 20:30:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2024-11-04 20:30:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure aws_byte_buf_reserve [2024-11-04 20:30:59,699 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_byte_buf_reserve [2024-11-04 20:30:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-04 20:30:59,699 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-04 20:30:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:30:59,699 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:30:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:30:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-04 20:30:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8 [2024-11-04 20:30:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-04 20:30:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 20:30:59,700 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 20:30:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-04 20:30:59,700 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-04 20:30:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-04 20:30:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2024-11-04 20:30:59,998 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:31:00,000 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:31:09,125 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-04 20:31:09,125 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:31:09,142 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:31:09,143 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-04 20:31:09,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:31:09 BoogieIcfgContainer [2024-11-04 20:31:09,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:31:09,146 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:31:09,146 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:31:09,149 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:31:09,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:30:56" (1/3) ... [2024-11-04 20:31:09,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f71fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:31:09, skipping insertion in model container [2024-11-04 20:31:09,150 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 20:31:09,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f71fc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:31:09, skipping insertion in model container [2024-11-04 20:31:09,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:31:09" (3/3) ... [2024-11-04 20:31:09,152 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_byte_buf_reserve_harness_negated.i [2024-11-04 20:31:09,166 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:31:09,166 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:31:09,226 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:31:09,232 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;@7a3dcba8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:31:09,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:31:09,241 INFO L276 IsEmpty]: Start isEmpty. Operand has 157 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 106 states have internal predecessors, (136), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-04 20:31:09,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-04 20:31:09,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:31:09,253 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:31:09,254 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:31:09,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:31:09,260 INFO L85 PathProgramCache]: Analyzing trace with hash -849716937, now seen corresponding path program 1 times [2024-11-04 20:31:09,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:31:09,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921949532] [2024-11-04 20:31:09,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:31:09,271 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:31:09,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:31:09,274 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 20:31:09,276 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 20:32:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:32:22,047 INFO L255 TraceCheckSpWp]: Trace formula consists of 4070 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:32:22,057 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:32:22,082 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-04 20:32:22,082 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:32:23,135 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-04 20:32:23,136 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:32:23,136 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921949532] [2024-11-04 20:32:23,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [921949532] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:32:23,137 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:32:23,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:32:23,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523650978] [2024-11-04 20:32:23,139 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:32:23,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:32:23,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:32:23,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:32:23,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:32:23,164 INFO L87 Difference]: Start difference. First operand has 157 states, 106 states have (on average 1.2830188679245282) internal successors, (136), 106 states have internal predecessors, (136), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 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 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-04 20:32:23,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:32:23,199 INFO L93 Difference]: Finished difference Result 304 states and 430 transitions. [2024-11-04 20:32:23,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:32:23,201 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 53 [2024-11-04 20:32:23,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:32:23,208 INFO L225 Difference]: With dead ends: 304 [2024-11-04 20:32:23,208 INFO L226 Difference]: Without dead ends: 150 [2024-11-04 20:32:23,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 104 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 20:32:23,215 INFO L432 NwaCegarLoop]: 206 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, 206 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 20:32:23,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:32:23,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2024-11-04 20:32:23,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2024-11-04 20:32:23,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 99 states have (on average 1.2323232323232323) internal successors, (122), 100 states have internal predecessors, (122), 38 states have call successors, (38), 12 states have call predecessors, (38), 12 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2024-11-04 20:32:23,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 197 transitions. [2024-11-04 20:32:23,263 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 197 transitions. Word has length 53 [2024-11-04 20:32:23,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:32:23,264 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 197 transitions. [2024-11-04 20:32:23,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-04 20:32:23,264 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 197 transitions. [2024-11-04 20:32:23,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-04 20:32:23,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:32:23,268 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, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:32:23,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-04 20:32:23,468 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 20:32:23,469 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:32:23,469 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:32:23,469 INFO L85 PathProgramCache]: Analyzing trace with hash 354063662, now seen corresponding path program 1 times [2024-11-04 20:32:23,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:32:23,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1435086783] [2024-11-04 20:32:23,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:32:23,470 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:32:23,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:32:23,473 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 20:32:23,474 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process