/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_iter_begin_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:41:29,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:41:29,855 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 20:41:29,858 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:41:29,859 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:41:29,881 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:41:29,881 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:41:29,881 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:41:29,882 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:41:29,882 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:41:29,883 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:41:29,883 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:41:29,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:41:29,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:41:29,884 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:41:29,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:41:29,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:41:29,885 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:41:29,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:41:29,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:41:29,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:41:29,887 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:41:29,887 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:41:29,887 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:41:29,888 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:41:29,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:41:29,888 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:41:29,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:41:29,889 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:41:29,889 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:41:29,889 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:41:29,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:41:29,890 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:41:29,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:41:29,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:41:29,890 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:41:29,891 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:41:29,891 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:41:29,891 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:41:29,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:41:29,892 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:41:29,892 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:41:30,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:41:30,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:41:30,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:41:30,128 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:41:30,129 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:41:30,131 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_hash_iter_begin_harness_negated.i [2024-11-04 20:41:31,517 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:41:31,977 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:41:31,978 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_iter_begin_harness_negated.i [2024-11-04 20:41:32,020 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d35c8044/0ad66e55fc0647f7b450446666501487/FLAG97655bf43 [2024-11-04 20:41:32,036 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0d35c8044/0ad66e55fc0647f7b450446666501487 [2024-11-04 20:41:32,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:41:32,041 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:41:32,044 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:41:32,044 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:41:32,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:41:32,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:41:32" (1/1) ... [2024-11-04 20:41:32,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e11304c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:32, skipping insertion in model container [2024-11-04 20:41:32,051 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:41:32" (1/1) ... [2024-11-04 20:41:32,192 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:41:32,530 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_iter_begin_harness_negated.i[4493,4506] [2024-11-04 20:41:32,541 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_iter_begin_harness_negated.i[4553,4566] [2024-11-04 20:41:33,235 WARN 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 20:41:33,330 WARN 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 20:41:33,330 WARN 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 20:41:33,333 WARN 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 20:41:33,343 WARN 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 20:41:33,345 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:33,346 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:33,346 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:33,347 WARN 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 20:41:33,347 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:33,348 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:33,351 WARN 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 20:41:33,351 WARN 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 20:41:33,353 WARN 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 20:41:33,354 WARN 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 20:41:33,375 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:33,376 WARN 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 20:41:33,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:33,376 WARN 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 20:41:33,378 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:33,378 WARN 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 20:41:33,379 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:33,379 WARN 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 20:41:33,381 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:33,381 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 20:41:33,382 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:33,382 WARN 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 20:41:33,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:33,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:33,690 WARN 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 20:41:33,690 WARN 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 20:41:33,691 WARN 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 20:41:33,691 WARN 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 20:41:33,809 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 20:41:34,030 WARN 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 20:41:34,041 WARN 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 20:41:34,057 WARN 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 20:41:34,084 WARN 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 20:41:34,095 WARN 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 20:41:34,109 WARN 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 20:41:34,130 WARN 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 20:41:34,140 WARN 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 20:41:34,185 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,187 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,221 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,222 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,229 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,230 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,245 WARN 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 20:41:34,245 WARN 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 20:41:34,253 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,254 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,255 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,256 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,256 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,259 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:41:34,277 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 20:41:34,280 WARN 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 20:41:34,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:41:34,353 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:41:34,421 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:41:34,427 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_iter_begin_harness_negated.i[4493,4506] [2024-11-04 20:41:34,428 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_iter_begin_harness_negated.i[4553,4566] [2024-11-04 20:41:34,458 WARN 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 20:41:34,473 WARN 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 20:41:34,473 WARN 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 20:41:34,473 WARN 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 20:41:34,481 WARN 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 20:41:34,482 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,482 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,483 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,483 WARN 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 20:41:34,483 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,484 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,485 WARN 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 20:41:34,489 WARN 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 20:41:34,491 WARN 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 20:41:34,491 WARN 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 20:41:34,495 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,496 WARN 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 20:41:34,496 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,496 WARN 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 20:41:34,497 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,498 WARN 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 20:41:34,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,498 WARN 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 20:41:34,499 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,500 WARN 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 20:41:34,500 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,500 WARN 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 20:41:34,501 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,501 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,558 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:41:34,558 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:41:34,559 WARN 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 20:41:34,559 WARN 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 20:41:34,606 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:41:34,652 WARN 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 20:41:34,659 WARN 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 20:41:34,670 WARN 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 20:41:34,678 WARN 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 20:41:34,682 WARN 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 20:41:34,690 WARN 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 20:41:34,696 WARN 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 20:41:34,702 WARN 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 20:41:34,710 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,711 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,719 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,722 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,723 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,730 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 20:41:34,732 WARN 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 20:41:34,733 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,734 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,734 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,738 WARN 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 20:41:34,748 WARN 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 20:41:34,750 WARN 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 20:41:34,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:41:34,790 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:41:34,809 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_iter_begin_harness_negated.i[4493,4506] [2024-11-04 20:41:34,809 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_iter_begin_harness_negated.i[4553,4566] [2024-11-04 20:41:34,854 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,856 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,857 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,863 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,863 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,864 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,864 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,865 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,865 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,931 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7526-7537] [2024-11-04 20:41:34,989 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:34,990 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:35,001 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:35,001 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:35,006 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:35,007 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:35,014 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:35,014 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:35,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:35,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:35,015 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:35,016 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:35,016 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:41:35,038 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:41:35,391 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_array_list_ensure_capacity [2024-11-04 20:41:35,401 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:41:35,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35 WrapperNode [2024-11-04 20:41:35,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:41:35,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:41:35,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:41:35,403 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:41:35,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35" (1/1) ... [2024-11-04 20:41:35,559 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35" (1/1) ... [2024-11-04 20:41:35,651 INFO L138 Inliner]: procedures = 784, calls = 2441, calls flagged for inlining = 69, calls inlined = 11, statements flattened = 618 [2024-11-04 20:41:35,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:41:35,652 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:41:35,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:41:35,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:41:35,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35" (1/1) ... [2024-11-04 20:41:35,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35" (1/1) ... [2024-11-04 20:41:35,689 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35" (1/1) ... [2024-11-04 20:41:35,783 INFO L175 MemorySlicer]: Split 339 memory accesses to 8 slices as follows [2, 6, 247, 3, 51, 2, 23, 5]. 73 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 0, 6, 0, 9, 0, 0, 5]. The 249 writes are split as follows [0, 2, 233, 1, 11, 1, 1, 0]. [2024-11-04 20:41:35,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35" (1/1) ... [2024-11-04 20:41:35,785 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35" (1/1) ... [2024-11-04 20:41:35,843 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35" (1/1) ... [2024-11-04 20:41:35,851 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35" (1/1) ... [2024-11-04 20:41:35,873 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35" (1/1) ... [2024-11-04 20:41:35,886 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35" (1/1) ... [2024-11-04 20:41:35,910 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:41:35,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:41:35,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:41:35,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:41:35,913 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35" (1/1) ... [2024-11-04 20:41:35,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:41:35,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:41:35,944 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 20:41:35,952 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 20:41:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-04 20:41:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-04 20:41:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-04 20:41:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-04 20:41:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-04 20:41:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-04 20:41:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-04 20:41:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2024-11-04 20:41:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 20:41:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 20:41:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:41:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:41:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2024-11-04 20:41:35,980 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2024-11-04 20:41:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:41:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:41:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 20:41:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 20:41:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 20:41:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 20:41:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 20:41:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 20:41:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 20:41:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-04 20:41:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:41:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:41:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:41:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:41:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 20:41:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 20:41:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 20:41:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 20:41:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 20:41:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 20:41:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 20:41:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 20:41:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 20:41:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-04 20:41:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-04 20:41:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-04 20:41:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-04 20:41:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-04 20:41:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-04 20:41:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-04 20:41:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-04 20:41:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#7 [2024-11-04 20:41:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-04 20:41:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-04 20:41:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-04 20:41:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-04 20:41:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-04 20:41:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-04 20:41:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-04 20:41:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#7 [2024-11-04 20:41:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:41:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-04 20:41:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-04 20:41:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 20:41:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 20:41:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 20:41:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 20:41:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 20:41:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 20:41:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 20:41:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-04 20:41:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-04 20:41:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-04 20:41:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 20:41:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 20:41:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 20:41:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 20:41:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 20:41:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 20:41:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 20:41:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#7 [2024-11-04 20:41:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2024-11-04 20:41:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2024-11-04 20:41:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 20:41:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-04 20:41:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-04 20:41:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-04 20:41:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 20:41:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 20:41:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 20:41:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 20:41:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 20:41:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-04 20:41:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-04 20:41:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#7 [2024-11-04 20:41:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_begin [2024-11-04 20:41:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_begin [2024-11-04 20:41:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2024-11-04 20:41:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2024-11-04 20:41:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 20:41:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 20:41:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 20:41:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 20:41:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 20:41:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 20:41:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-04 20:41:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-04 20:41:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 20:41:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 20:41:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 20:41:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 20:41:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 20:41:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 20:41:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-04 20:41:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#7 [2024-11-04 20:41:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-04 20:41:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-04 20:41:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-04 20:41:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-04 20:41:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-04 20:41:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-04 20:41:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-04 20:41:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-04 20:41:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2024-11-04 20:41:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2024-11-04 20:41:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:41:35,992 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:41:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2024-11-04 20:41:35,992 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2024-11-04 20:41:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 20:41:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 20:41:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 20:41:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 20:41:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 20:41:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 20:41:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-04 20:41:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#7 [2024-11-04 20:41:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 20:41:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 20:41:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-04 20:41:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2024-11-04 20:41:35,994 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2024-11-04 20:41:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:41:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:41:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:41:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:41:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 20:41:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 20:41:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-04 20:41:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-04 20:41:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 20:41:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 20:41:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-04 20:41:35,997 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-04 20:41:36,497 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:41:36,500 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:41:37,731 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !true; [2024-11-04 20:41:45,415 INFO L? ?]: Removed 189 outVars from TransFormulas that were not future-live. [2024-11-04 20:41:45,416 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:41:45,437 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:41:45,437 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-04 20:41:45,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:41:45 BoogieIcfgContainer [2024-11-04 20:41:45,437 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:41:45,440 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:41:45,440 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:41:45,443 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:41:45,443 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:41:32" (1/3) ... [2024-11-04 20:41:45,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b40db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:41:45, skipping insertion in model container [2024-11-04 20:41:45,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:41:35" (2/3) ... [2024-11-04 20:41:45,444 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60b40db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:41:45, skipping insertion in model container [2024-11-04 20:41:45,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:41:45" (3/3) ... [2024-11-04 20:41:45,445 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_iter_begin_harness_negated.i [2024-11-04 20:41:45,461 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:41:45,462 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:41:45,528 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:41:45,535 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;@75d556bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:41:45,535 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:41:45,539 INFO L276 IsEmpty]: Start isEmpty. Operand has 167 states, 110 states have (on average 1.2545454545454546) internal successors, (138), 109 states have internal predecessors, (138), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-04 20:41:45,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-04 20:41:45,556 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:41:45,558 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:41:45,558 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:41:45,564 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:41:45,564 INFO L85 PathProgramCache]: Analyzing trace with hash 98188042, now seen corresponding path program 1 times [2024-11-04 20:41:45,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:41:45,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [859792917] [2024-11-04 20:41:45,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:41:45,575 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:41:45,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:41:45,580 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 20:41:45,583 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 20:41:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:41:53,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 2717 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:41:53,234 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:41:53,264 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-11-04 20:41:53,264 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:41:58,268 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-11-04 20:41:58,270 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:41:58,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [859792917] [2024-11-04 20:41:58,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [859792917] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:41:58,270 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:41:58,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:41:58,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385846859] [2024-11-04 20:41:58,274 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:41:58,279 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:41:58,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:41:58,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:41:58,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:41:58,308 INFO L87 Difference]: Start difference. First operand has 167 states, 110 states have (on average 1.2545454545454546) internal successors, (138), 109 states have internal predecessors, (138), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-04 20:41:58,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:41:58,374 INFO L93 Difference]: Finished difference Result 325 states and 445 transitions. [2024-11-04 20:41:58,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:41:58,380 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 144 [2024-11-04 20:41:58,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:41:58,392 INFO L225 Difference]: With dead ends: 325 [2024-11-04 20:41:58,392 INFO L226 Difference]: Without dead ends: 160 [2024-11-04 20:41:58,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 286 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 20:41:58,405 INFO L432 NwaCegarLoop]: 211 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, 211 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 20:41:58,406 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 211 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:41:58,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2024-11-04 20:41:58,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2024-11-04 20:41:58,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 102 states have (on average 1.2352941176470589) internal successors, (126), 103 states have internal predecessors, (126), 40 states have call successors, (40), 17 states have call predecessors, (40), 17 states have return successors, (39), 39 states have call predecessors, (39), 39 states have call successors, (39) [2024-11-04 20:41:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 205 transitions. [2024-11-04 20:41:58,477 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 205 transitions. Word has length 144 [2024-11-04 20:41:58,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:41:58,478 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 205 transitions. [2024-11-04 20:41:58,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-04 20:41:58,479 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 205 transitions. [2024-11-04 20:41:58,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-04 20:41:58,484 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:41:58,484 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:41:58,499 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 20:41:58,685 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 20:41:58,685 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:41:58,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:41:58,686 INFO L85 PathProgramCache]: Analyzing trace with hash 220694979, now seen corresponding path program 1 times [2024-11-04 20:41:58,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:41:58,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146705855] [2024-11-04 20:41:58,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:41:58,687 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:41:58,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:41:58,690 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 20:41:58,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-04 20:42:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:42:05,295 INFO L255 TraceCheckSpWp]: Trace formula consists of 2733 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 20:42:05,310 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:42:06,435 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-11-04 20:42:06,435 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:42:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2024-11-04 20:42:12,210 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:42:12,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1146705855] [2024-11-04 20:42:12,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1146705855] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 20:42:12,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 20:42:12,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 5 [2024-11-04 20:42:12,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47594368] [2024-11-04 20:42:12,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 20:42:12,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-04 20:42:12,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:42:12,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-04 20:42:12,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-04 20:42:12,214 INFO L87 Difference]: Start difference. First operand 160 states and 205 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-04 20:42:12,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:42:12,719 INFO L93 Difference]: Finished difference Result 312 states and 401 transitions. [2024-11-04 20:42:12,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 20:42:12,721 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 150 [2024-11-04 20:42:12,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:42:12,724 INFO L225 Difference]: With dead ends: 312 [2024-11-04 20:42:12,724 INFO L226 Difference]: Without dead ends: 164 [2024-11-04 20:42:12,725 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-04 20:42:12,726 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 0 mSDsluCounter, 605 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 808 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-04 20:42:12,726 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 808 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-04 20:42:12,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-04 20:42:12,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2024-11-04 20:42:12,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 105 states have (on average 1.2285714285714286) internal successors, (129), 106 states have internal predecessors, (129), 40 states have call successors, (40), 17 states have call predecessors, (40), 18 states have return successors, (40), 40 states have call predecessors, (40), 39 states have call successors, (40) [2024-11-04 20:42:12,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 209 transitions. [2024-11-04 20:42:12,749 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 209 transitions. Word has length 150 [2024-11-04 20:42:12,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:42:12,750 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 209 transitions. [2024-11-04 20:42:12,750 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 4 states have internal predecessors, (67), 2 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-04 20:42:12,751 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 209 transitions. [2024-11-04 20:42:12,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2024-11-04 20:42:12,753 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:42:12,753 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:42:12,775 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-04 20:42:12,954 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:42:12,954 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:42:12,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:42:12,955 INFO L85 PathProgramCache]: Analyzing trace with hash 805829123, now seen corresponding path program 1 times [2024-11-04 20:42:12,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:42:12,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2051931191] [2024-11-04 20:42:12,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:42:12,956 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:42:12,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:42:12,958 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:42:12,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-04 20:42:18,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:42:19,040 INFO L255 TraceCheckSpWp]: Trace formula consists of 2693 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 20:42:19,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:42:22,100 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-04 20:42:22,100 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:42:30,824 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-04 20:42:30,824 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:42:30,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2051931191] [2024-11-04 20:42:30,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2051931191] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:42:30,825 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:42:30,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2024-11-04 20:42:30,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789938310] [2024-11-04 20:42:30,825 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:42:30,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-04 20:42:30,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:42:30,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-04 20:42:30,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-04 20:42:30,827 INFO L87 Difference]: Start difference. First operand 164 states and 209 transitions. Second operand has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 4 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-04 20:42:33,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 20:42:35,870 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 20:42:41,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:42:41,250 INFO L93 Difference]: Finished difference Result 236 states and 306 transitions. [2024-11-04 20:42:41,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-04 20:42:41,251 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 4 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) Word has length 162 [2024-11-04 20:42:41,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:42:41,255 INFO L225 Difference]: With dead ends: 236 [2024-11-04 20:42:41,255 INFO L226 Difference]: Without dead ends: 172 [2024-11-04 20:42:41,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 316 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-04 20:42:41,257 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 58 mSDsluCounter, 706 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 891 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2024-11-04 20:42:41,257 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 891 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2024-11-04 20:42:41,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-04 20:42:41,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 166. [2024-11-04 20:42:41,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 106 states have (on average 1.2264150943396226) internal successors, (130), 108 states have internal predecessors, (130), 40 states have call successors, (40), 17 states have call predecessors, (40), 19 states have return successors, (41), 40 states have call predecessors, (41), 39 states have call successors, (41) [2024-11-04 20:42:41,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 211 transitions. [2024-11-04 20:42:41,276 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 211 transitions. Word has length 162 [2024-11-04 20:42:41,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:42:41,277 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 211 transitions. [2024-11-04 20:42:41,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.75) internal successors, (62), 7 states have internal predecessors, (62), 4 states have call successors, (25), 3 states have call predecessors, (25), 2 states have return successors, (22), 4 states have call predecessors, (22), 3 states have call successors, (22) [2024-11-04 20:42:41,277 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 211 transitions. [2024-11-04 20:42:41,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-04 20:42:41,279 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:42:41,280 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:42:41,298 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-04 20:42:41,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:42:41,481 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:42:41,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:42:41,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1854724741, now seen corresponding path program 1 times [2024-11-04 20:42:41,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:42:41,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2122571287] [2024-11-04 20:42:41,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:42:41,482 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:42:41,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:42:41,483 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:42:41,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-04 20:42:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:42:47,821 INFO L255 TraceCheckSpWp]: Trace formula consists of 2696 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-04 20:42:47,827 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:42:48,512 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-11-04 20:42:48,512 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:42:55,852 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-04 20:42:55,853 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:42:55,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2122571287] [2024-11-04 20:42:55,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2122571287] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:42:55,853 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:42:55,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 20:42:55,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793396247] [2024-11-04 20:42:55,854 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:42:55,854 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 20:42:55,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:42:55,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 20:42:55,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:42:55,856 INFO L87 Difference]: Start difference. First operand 166 states and 211 transitions. Second operand has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-04 20:42:56,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:42:56,466 INFO L93 Difference]: Finished difference Result 257 states and 330 transitions. [2024-11-04 20:42:56,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 20:42:56,468 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 163 [2024-11-04 20:42:56,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:42:56,471 INFO L225 Difference]: With dead ends: 257 [2024-11-04 20:42:56,472 INFO L226 Difference]: Without dead ends: 168 [2024-11-04 20:42:56,472 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:42:56,473 INFO L432 NwaCegarLoop]: 203 mSDtfsCounter, 0 mSDsluCounter, 807 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1010 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-04 20:42:56,473 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1010 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-04 20:42:56,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-04 20:42:56,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2024-11-04 20:42:56,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 108 states have (on average 1.2222222222222223) internal successors, (132), 110 states have internal predecessors, (132), 40 states have call successors, (40), 17 states have call predecessors, (40), 19 states have return successors, (41), 40 states have call predecessors, (41), 39 states have call successors, (41) [2024-11-04 20:42:56,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 213 transitions. [2024-11-04 20:42:56,497 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 213 transitions. Word has length 163 [2024-11-04 20:42:56,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:42:56,498 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 213 transitions. [2024-11-04 20:42:56,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 2 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-04 20:42:56,498 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 213 transitions. [2024-11-04 20:42:56,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-04 20:42:56,500 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:42:56,500 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:42:56,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-04 20:42:56,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:42:56,701 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:42:56,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:42:56,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1521232123, now seen corresponding path program 1 times [2024-11-04 20:42:56,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:42:56,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1055961098] [2024-11-04 20:42:56,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:42:56,702 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:42:56,702 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:42:56,703 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:42:56,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-04 20:43:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:43:05,526 INFO L255 TraceCheckSpWp]: Trace formula consists of 2718 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-04 20:43:05,532 INFO L278 TraceCheckSpWp]: Computing forward predicates...