/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_hash_callback_string_eq_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:41:10,609 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:41:10,673 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 20:41:10,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:41:10,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:41:10,706 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:41:10,707 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:41:10,708 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:41:10,708 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:41:10,708 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:41:10,709 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:41:10,710 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:41:10,710 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:41:10,711 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:41:10,712 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:41:10,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:41:10,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:41:10,712 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:41:10,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:41:10,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:41:10,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:41:10,717 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:41:10,717 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:41:10,717 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:41:10,717 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:41:10,718 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:41:10,718 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:41:10,718 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:41:10,718 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:41:10,718 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:41:10,719 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:41:10,719 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:41:10,719 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:41:10,719 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:41:10,719 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:41:10,720 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:41:10,720 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:41:10,721 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:41:10,721 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:41:10,721 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:41:10,722 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:41:10,722 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:41:10,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:41:10,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:41:10,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:41:10,991 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:41:10,991 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:41:10,993 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_hash_callback_string_eq_harness.i [2024-11-04 20:41:12,549 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:41:13,042 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:41:13,044 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_callback_string_eq_harness.i [2024-11-04 20:41:13,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/426c304ba/1d8e09233be540b59e3937404eb2badd/FLAGdf1c023d1 [2024-11-04 20:41:13,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/426c304ba/1d8e09233be540b59e3937404eb2badd [2024-11-04 20:41:13,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:41:13,116 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:41:13,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:41:13,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:41:13,123 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:41:13,124 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:41:13" (1/1) ... [2024-11-04 20:41:13,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7108c2b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:13, skipping insertion in model container [2024-11-04 20:41:13,125 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:41:13" (1/1) ... [2024-11-04 20:41:13,249 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:41:13,659 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_hash_callback_string_eq_harness.i[4501,4514] [2024-11-04 20:41:13,673 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_hash_callback_string_eq_harness.i[4561,4574] [2024-11-04 20:41:14,615 WARN 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 20:41:14,756 WARN 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 20:41:14,757 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 20:41:14,757 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 20:41:14,773 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 20:41:14,778 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:14,779 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:14,781 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:14,781 WARN 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 20:41:14,782 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:14,784 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:14,792 WARN 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 20:41:14,792 WARN 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 20:41:14,795 WARN 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 20:41:14,795 WARN 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 20:41:14,808 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:14,809 WARN 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 20:41:14,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:14,809 WARN 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 20:41:14,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:14,811 WARN 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 20:41:14,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:14,812 WARN 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 20:41:15,288 WARN 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 20:41:15,289 WARN 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 20:41:15,289 WARN 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 20:41:15,290 WARN 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 20:41:15,466 WARN 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 20:41:15,484 WARN 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 20:41:15,487 WARN 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 20:41:15,492 WARN 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 20:41:15,543 WARN 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 20:41:15,544 WARN 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 20:41:15,546 WARN 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 20:41:15,547 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,547 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,757 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 20:41:15,764 WARN 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 20:41:15,771 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 20:41:15,784 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 20:41:15,790 WARN 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 20:41:15,797 WARN 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 20:41:15,808 WARN 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 20:41:15,814 WARN 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 20:41:15,838 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,838 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,872 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,882 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,883 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,901 WARN 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 20:41:15,902 WARN 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 20:41:15,910 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,911 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,912 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,913 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,913 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,913 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:15,916 WARN 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 20:41:15,937 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 20:41:15,942 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:41:15,956 WARN 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 20:41:15,963 WARN 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 20:41:15,965 WARN 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 20:41:15,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:41:16,048 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:41:16,131 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:41:16,136 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_hash_callback_string_eq_harness.i[4501,4514] [2024-11-04 20:41:16,137 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_hash_callback_string_eq_harness.i[4561,4574] [2024-11-04 20:41:16,158 WARN 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 20:41:16,168 WARN 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 20:41:16,169 WARN 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 20:41:16,169 WARN 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 20:41:16,174 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:41:16,175 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,175 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,176 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,180 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:41:16,180 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,181 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,182 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:41:16,182 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:41:16,183 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:41:16,183 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:41:16,188 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,189 WARN 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 20:41:16,189 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,189 WARN 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 20:41:16,190 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,190 WARN 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 20:41:16,191 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,191 WARN 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 20:41:16,240 WARN 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 20:41:16,241 WARN 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 20:41:16,241 WARN 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 20:41:16,241 WARN 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 20:41:16,268 WARN 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 20:41:16,275 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:41:16,277 WARN 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 20:41:16,282 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:41:16,312 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 20:41:16,313 WARN 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 20:41:16,315 WARN 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 20:41:16,315 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,318 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,352 WARN 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 20:41:16,359 WARN 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 20:41:16,368 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 20:41:16,375 WARN 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 20:41:16,381 WARN 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 20:41:16,386 WARN 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 20:41:16,393 WARN 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 20:41:16,398 WARN 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 20:41:16,405 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,405 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,412 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,412 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,417 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,417 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,422 WARN 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 20:41:16,422 WARN 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 20:41:16,427 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,427 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,428 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,428 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,428 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,429 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,429 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,431 WARN 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 20:41:16,438 WARN 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 20:41:16,442 WARN 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 20:41:16,451 WARN 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 20:41:16,453 WARN 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 20:41:16,453 WARN 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 20:41:16,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:41:16,497 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:41:16,514 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_hash_callback_string_eq_harness.i[4501,4514] [2024-11-04 20:41:16,515 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_hash_callback_string_eq_harness.i[4561,4574] [2024-11-04 20:41:16,549 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,549 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,549 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,550 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,550 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,558 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,562 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,563 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,563 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,659 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : "+r"(index)); [8255] [2024-11-04 20:41:16,661 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,661 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,796 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,796 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,803 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,803 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,806 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,806 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,812 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:16,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:41:17,104 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:41:17,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17 WrapperNode [2024-11-04 20:41:17,104 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:41:17,105 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:41:17,106 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:41:17,106 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:41:17,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17" (1/1) ... [2024-11-04 20:41:17,250 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17" (1/1) ... [2024-11-04 20:41:17,318 INFO L138 Inliner]: procedures = 778, calls = 3256, calls flagged for inlining = 79, calls inlined = 7, statements flattened = 404 [2024-11-04 20:41:17,319 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:41:17,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:41:17,320 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:41:17,320 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:41:17,330 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17" (1/1) ... [2024-11-04 20:41:17,330 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17" (1/1) ... [2024-11-04 20:41:17,343 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17" (1/1) ... [2024-11-04 20:41:17,383 INFO L175 MemorySlicer]: Split 277 memory accesses to 4 slices as follows [2, 13, 257, 5]. 93 percent of accesses are in the largest equivalence class. The 7 initializations are split as follows [2, 0, 0, 5]. The 260 writes are split as follows [0, 3, 257, 0]. [2024-11-04 20:41:17,383 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17" (1/1) ... [2024-11-04 20:41:17,384 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17" (1/1) ... [2024-11-04 20:41:17,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17" (1/1) ... [2024-11-04 20:41:17,425 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17" (1/1) ... [2024-11-04 20:41:17,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17" (1/1) ... [2024-11-04 20:41:17,445 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17" (1/1) ... [2024-11-04 20:41:17,460 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:41:17,461 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:41:17,461 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:41:17,461 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:41:17,462 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17" (1/1) ... [2024-11-04 20:41:17,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:41:17,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:41:17,494 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 20:41:17,496 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 20:41:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure aws_string_is_valid [2024-11-04 20:41:17,522 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_string_is_valid [2024-11-04 20:41:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_string_is_allocated_bounded_length [2024-11-04 20:41:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_string_is_allocated_bounded_length [2024-11-04 20:41:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:41:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:41:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:41:17,523 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:41:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:41:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:41:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 20:41:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 20:41:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 20:41:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 20:41:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:41:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:41:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:41:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:41:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_eq [2024-11-04 20:41:17,525 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_eq [2024-11-04 20:41:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-04 20:41:17,526 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-04 20:41:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#0 [2024-11-04 20:41:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#1 [2024-11-04 20:41:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#2 [2024-11-04 20:41:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1#3 [2024-11-04 20:41:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:41:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:41:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:41:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:41:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 20:41:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 20:41:17,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 20:41:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 20:41:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 20:41:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 20:41:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 20:41:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 20:41:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:41:17,527 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:41:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 20:41:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 20:41:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 20:41:17,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 20:41:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 20:41:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 20:41:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 20:41:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 20:41:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:41:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:41:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:41:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:41:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 20:41:17,528 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 20:41:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure aws_c_string_is_valid [2024-11-04 20:41:17,529 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_c_string_is_valid [2024-11-04 20:41:17,862 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:41:17,864 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:41:26,720 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##21: assume !true; [2024-11-04 20:41:26,986 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-11-04 20:41:26,986 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:41:27,001 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:41:27,002 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-04 20:41:27,002 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:41:27 BoogieIcfgContainer [2024-11-04 20:41:27,002 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:41:27,007 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:41:27,007 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:41:27,010 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:41:27,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:41:13" (1/3) ... [2024-11-04 20:41:27,011 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b004ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:41:27, skipping insertion in model container [2024-11-04 20:41:27,011 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:17" (2/3) ... [2024-11-04 20:41:27,012 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b004ec7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:41:27, skipping insertion in model container [2024-11-04 20:41:27,012 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:41:27" (3/3) ... [2024-11-04 20:41:27,014 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_callback_string_eq_harness.i [2024-11-04 20:41:27,031 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:41:27,031 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:41:27,098 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:41:27,105 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;@41007386, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:41:27,105 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:41:27,112 INFO L276 IsEmpty]: Start isEmpty. Operand has 110 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2024-11-04 20:41:27,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-04 20:41:27,124 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:41:27,126 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:41:27,127 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:41:27,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:41:27,133 INFO L85 PathProgramCache]: Analyzing trace with hash 436511225, now seen corresponding path program 1 times [2024-11-04 20:41:27,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:41:27,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410505195] [2024-11-04 20:41:27,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:41:27,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:41:27,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:41:27,147 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 20:41:27,149 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 20:42:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:42:13,772 INFO L255 TraceCheckSpWp]: Trace formula consists of 2060 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:42:13,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:42:13,814 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-04 20:42:13,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:42:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-04 20:42:17,661 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:42:17,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410505195] [2024-11-04 20:42:17,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [410505195] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:42:17,662 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:42:17,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:42:17,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343633605] [2024-11-04 20:42:17,664 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:42:17,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:42:17,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:42:17,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:42:17,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:42:17,696 INFO L87 Difference]: Start difference. First operand has 110 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 71 states have internal predecessors, (87), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-04 20:42:17,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:42:17,735 INFO L93 Difference]: Finished difference Result 217 states and 299 transitions. [2024-11-04 20:42:17,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:42:17,737 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) Word has length 93 [2024-11-04 20:42:17,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:42:17,748 INFO L225 Difference]: With dead ends: 217 [2024-11-04 20:42:17,748 INFO L226 Difference]: Without dead ends: 104 [2024-11-04 20:42:17,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 184 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 20:42:17,756 INFO L432 NwaCegarLoop]: 140 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, 140 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 20:42:17,756 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:42:17,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-11-04 20:42:17,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-11-04 20:42:17,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 66 states have internal predecessors, (77), 28 states have call successors, (28), 10 states have call predecessors, (28), 10 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-04 20:42:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 132 transitions. [2024-11-04 20:42:17,795 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 132 transitions. Word has length 93 [2024-11-04 20:42:17,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:42:17,797 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 132 transitions. [2024-11-04 20:42:17,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (13), 1 states have call predecessors, (13), 1 states have call successors, (13) [2024-11-04 20:42:17,797 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 132 transitions. [2024-11-04 20:42:17,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-04 20:42:17,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:42:17,801 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 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, 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 20:42:17,814 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 20:42:18,002 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 20:42:18,003 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:42:18,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:42:18,003 INFO L85 PathProgramCache]: Analyzing trace with hash 1648273971, now seen corresponding path program 1 times [2024-11-04 20:42:18,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:42:18,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1715891420] [2024-11-04 20:42:18,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:42:18,004 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:42:18,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:42:18,007 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 20:42:18,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process