/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_table_foreach_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:43:57,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:43:57,341 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 20:43:57,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:43:57,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:43:57,371 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:43:57,371 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:43:57,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:43:57,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:43:57,372 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:43:57,372 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:43:57,372 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:43:57,373 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:43:57,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:43:57,374 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:43:57,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:43:57,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:43:57,375 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:43:57,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:43:57,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:43:57,375 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:43:57,378 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:43:57,379 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:43:57,379 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:43:57,379 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:43:57,379 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:43:57,379 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:43:57,379 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:43:57,380 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:43:57,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:43:57,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:43:57,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:43:57,380 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:43:57,380 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:43:57,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:43:57,381 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:43:57,381 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:43:57,381 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:43:57,381 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:43:57,381 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:43:57,381 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:43:57,382 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:43:57,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:43:57,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:43:57,579 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:43:57,580 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:43:57,580 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:43:57,581 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_hash_table_foreach_harness.i [2024-11-04 20:43:59,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:43:59,511 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:43:59,511 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_hash_table_foreach_harness.i [2024-11-04 20:43:59,559 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/052f7f980/1f97dd16a1a047cf98511a9e5e83520c/FLAGe69d561ac [2024-11-04 20:43:59,625 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/052f7f980/1f97dd16a1a047cf98511a9e5e83520c [2024-11-04 20:43:59,627 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:43:59,628 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:43:59,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:43:59,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:43:59,635 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:43:59,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:43:59" (1/1) ... [2024-11-04 20:43:59,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1df783a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:43:59, skipping insertion in model container [2024-11-04 20:43:59,636 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:43:59" (1/1) ... [2024-11-04 20:43:59,748 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:44:00,032 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_table_foreach_harness.i[4496,4509] [2024-11-04 20:44:00,049 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_table_foreach_harness.i[4556,4569] [2024-11-04 20:44:00,709 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,800 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,801 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,802 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,808 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:00,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:00,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:00,810 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:00,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:00,813 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,814 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,816 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,816 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,822 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:00,822 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,822 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:00,823 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:00,824 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,824 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:00,824 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,826 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:00,826 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,826 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:00,827 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:00,827 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:00,827 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,137 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,137 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,384 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,536 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,544 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,557 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,578 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,587 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,600 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,614 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,618 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,695 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,698 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,706 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,710 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,726 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,727 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,734 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,734 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,735 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,736 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,738 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 20:44:01,753 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,755 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,791 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:44:01,834 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:44:01,907 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:44:01,912 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_table_foreach_harness.i[4496,4509] [2024-11-04 20:44:01,912 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_table_foreach_harness.i[4556,4569] [2024-11-04 20:44:01,931 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,944 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,945 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,945 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,952 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,953 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,959 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,959 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,960 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,961 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,961 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,962 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,962 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,964 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,965 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,965 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,965 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,966 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,966 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,966 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,967 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,967 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,968 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:01,968 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:01,970 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,011 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,011 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,012 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,012 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,041 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 20:44:02,088 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,096 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,102 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,116 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,122 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,127 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,141 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,150 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,150 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,158 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,159 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,161 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,162 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,169 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,170 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,175 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,176 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,177 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,177 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,177 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,177 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,178 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,180 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,189 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,191 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:44:02,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:44:02,274 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:44:02,297 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_table_foreach_harness.i[4496,4509] [2024-11-04 20:44:02,298 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_table_foreach_harness.i[4556,4569] [2024-11-04 20:44:02,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,358 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,358 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,358 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,358 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,364 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,365 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,366 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,366 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,367 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,367 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,367 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,368 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,437 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7558-7569] [2024-11-04 20:44:02,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,514 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,523 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,524 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,526 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,541 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,541 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,541 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:44:02,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:44:02,853 WARN L710 CHandler]: The following functions are not defined or handled internally: aws_array_list_ensure_capacity [2024-11-04 20:44:02,862 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:44:02,863 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02 WrapperNode [2024-11-04 20:44:02,863 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:44:02,864 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:44:02,864 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:44:02,864 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:44:02,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02" (1/1) ... [2024-11-04 20:44:02,958 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02" (1/1) ... [2024-11-04 20:44:03,101 INFO L138 Inliner]: procedures = 785, calls = 2430, calls flagged for inlining = 71, calls inlined = 17, statements flattened = 910 [2024-11-04 20:44:03,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:44:03,107 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:44:03,107 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:44:03,107 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:44:03,123 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02" (1/1) ... [2024-11-04 20:44:03,123 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02" (1/1) ... [2024-11-04 20:44:03,147 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02" (1/1) ... [2024-11-04 20:44:03,249 INFO L175 MemorySlicer]: Split 377 memory accesses to 7 slices as follows [2, 249, 44, 2, 2, 73, 5]. 66 percent of accesses are in the largest equivalence class. The 22 initializations are split as follows [2, 6, 0, 0, 0, 9, 5]. The 257 writes are split as follows [0, 233, 8, 1, 1, 14, 0]. [2024-11-04 20:44:03,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02" (1/1) ... [2024-11-04 20:44:03,251 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02" (1/1) ... [2024-11-04 20:44:03,315 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02" (1/1) ... [2024-11-04 20:44:03,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02" (1/1) ... [2024-11-04 20:44:03,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02" (1/1) ... [2024-11-04 20:44:03,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02" (1/1) ... [2024-11-04 20:44:03,378 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:44:03,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:44:03,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:44:03,379 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:44:03,380 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02" (1/1) ... [2024-11-04 20:44:03,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:44:03,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:44:03,409 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 20:44:03,415 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 20:44:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-11-04 20:44:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-11-04 20:44:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-11-04 20:44:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-11-04 20:44:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-11-04 20:44:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2024-11-04 20:44:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2024-11-04 20:44:03,456 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 20:44:03,456 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 20:44:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:44:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:44:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_is_valid [2024-11-04 20:44:03,457 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_is_valid [2024-11-04 20:44:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:44:03,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:44:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 20:44:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 20:44:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 20:44:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 20:44:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 20:44:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 20:44:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-04 20:44:03,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:44:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:44:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:44:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:44:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 20:44:03,459 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 20:44:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 20:44:03,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 20:44:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 20:44:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 20:44:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 20:44:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 20:44:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-04 20:44:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-04 20:44:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-04 20:44:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-04 20:44:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-04 20:44:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-04 20:44:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-04 20:44:03,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#6 [2024-11-04 20:44:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-04 20:44:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-04 20:44:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-04 20:44:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-04 20:44:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-04 20:44:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-04 20:44:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#6 [2024-11-04 20:44:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:44:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-04 20:44:03,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-04 20:44:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 20:44:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 20:44:03,461 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 20:44:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 20:44:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 20:44:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 20:44:03,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-04 20:44:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-04 20:44:03,463 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-04 20:44:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 20:44:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 20:44:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 20:44:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 20:44:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 20:44:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 20:44:03,463 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-04 20:44:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_power_of_two [2024-11-04 20:44:03,464 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_power_of_two [2024-11-04 20:44:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:44:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:44:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:44:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:44:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:44:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 20:44:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 20:44:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-04 20:44:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 20:44:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 20:44:03,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 20:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 20:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 20:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-04 20:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-04 20:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 20:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 20:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 20:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 20:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 20:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-04 20:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-04 20:44:03,465 INFO L130 BoogieDeclarations]: Found specification of procedure hash_table_state_required_bytes [2024-11-04 20:44:03,465 INFO L138 BoogieDeclarations]: Found implementation of procedure hash_table_state_required_bytes [2024-11-04 20:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2024-11-04 20:44:03,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2024-11-04 20:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 20:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 20:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 20:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 20:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 20:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 20:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-04 20:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-04 20:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-04 20:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-04 20:44:03,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-04 20:44:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-04 20:44:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-04 20:44:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-04 20:44:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure s_get_next_element [2024-11-04 20:44:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure s_get_next_element [2024-11-04 20:44:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:44:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:44:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_int [2024-11-04 20:44:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_int [2024-11-04 20:44:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_iter_is_valid [2024-11-04 20:44:03,467 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_iter_is_valid [2024-11-04 20:44:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 20:44:03,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 20:44:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 20:44:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 20:44:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 20:44:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 20:44:03,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-04 20:44:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-04 20:44:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-04 20:44:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-04 20:44:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-04 20:44:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-04 20:44:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-04 20:44:03,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-04 20:44:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure aws_hash_table_is_valid [2024-11-04 20:44:03,472 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_hash_table_is_valid [2024-11-04 20:44:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:44:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:44:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:44:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:44:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 20:44:03,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 20:44:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-04 20:44:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 20:44:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 20:44:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-04 20:44:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-04 20:44:03,473 INFO L130 BoogieDeclarations]: Found specification of procedure s_remove_entry [2024-11-04 20:44:03,473 INFO L138 BoogieDeclarations]: Found implementation of procedure s_remove_entry [2024-11-04 20:44:03,913 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:44:03,916 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:44:06,842 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##35: assume !true; [2024-11-04 20:44:06,842 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !true; [2024-11-04 20:44:18,388 INFO L735 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##17: assume !true; [2024-11-04 20:44:18,516 INFO L? ?]: Removed 257 outVars from TransFormulas that were not future-live. [2024-11-04 20:44:18,517 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:44:18,547 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:44:18,547 INFO L316 CfgBuilder]: Removed 13 assume(true) statements. [2024-11-04 20:44:18,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:44:18 BoogieIcfgContainer [2024-11-04 20:44:18,548 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:44:18,552 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:44:18,552 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:44:18,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:44:18,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:43:59" (1/3) ... [2024-11-04 20:44:18,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196c93e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:44:18, skipping insertion in model container [2024-11-04 20:44:18,556 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:44:02" (2/3) ... [2024-11-04 20:44:18,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@196c93e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:44:18, skipping insertion in model container [2024-11-04 20:44:18,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:44:18" (3/3) ... [2024-11-04 20:44:18,558 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_hash_table_foreach_harness.i [2024-11-04 20:44:18,574 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:44:18,575 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:44:18,648 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:44:18,655 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;@335d7393, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:44:18,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:44:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand has 261 states, 172 states have (on average 1.2848837209302326) internal successors, (221), 169 states have internal predecessors, (221), 71 states have call successors, (71), 20 states have call predecessors, (71), 20 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-04 20:44:18,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-04 20:44:18,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:44:18,679 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:44:18,680 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:44:18,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:44:18,685 INFO L85 PathProgramCache]: Analyzing trace with hash 1453380158, now seen corresponding path program 1 times [2024-11-04 20:44:18,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:44:18,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [995816120] [2024-11-04 20:44:18,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:44:18,711 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:44:18,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:44:18,715 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 20:44:18,717 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 20:44:25,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:44:25,939 INFO L255 TraceCheckSpWp]: Trace formula consists of 2580 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:44:25,948 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:44:25,969 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-04 20:44:25,969 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:44:30,207 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-04 20:44:30,208 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:44:30,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [995816120] [2024-11-04 20:44:30,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [995816120] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:44:30,208 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:44:30,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:44:30,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114776413] [2024-11-04 20:44:30,215 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:44:30,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:44:30,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:44:30,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:44:30,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:44:30,262 INFO L87 Difference]: Start difference. First operand has 261 states, 172 states have (on average 1.2848837209302326) internal successors, (221), 169 states have internal predecessors, (221), 71 states have call successors, (71), 20 states have call predecessors, (71), 20 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-04 20:44:30,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:44:30,341 INFO L93 Difference]: Finished difference Result 513 states and 753 transitions. [2024-11-04 20:44:30,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:44:30,345 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 118 [2024-11-04 20:44:30,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:44:30,353 INFO L225 Difference]: With dead ends: 513 [2024-11-04 20:44:30,353 INFO L226 Difference]: Without dead ends: 255 [2024-11-04 20:44:30,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 234 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 20:44:30,360 INFO L432 NwaCegarLoop]: 349 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, 349 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 20:44:30,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:44:30,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-04 20:44:30,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2024-11-04 20:44:30,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 163 states have (on average 1.2453987730061349) internal successors, (203), 164 states have internal predecessors, (203), 71 states have call successors, (71), 20 states have call predecessors, (71), 20 states have return successors, (70), 70 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-04 20:44:30,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 344 transitions. [2024-11-04 20:44:30,509 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 344 transitions. Word has length 118 [2024-11-04 20:44:30,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:44:30,513 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 344 transitions. [2024-11-04 20:44:30,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2024-11-04 20:44:30,515 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 344 transitions. [2024-11-04 20:44:30,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-04 20:44:30,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:44:30,521 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:44:30,536 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 20:44:30,721 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 20:44:30,722 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:44:30,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:44:30,723 INFO L85 PathProgramCache]: Analyzing trace with hash -78468390, now seen corresponding path program 1 times [2024-11-04 20:44:30,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:44:30,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [416886253] [2024-11-04 20:44:30,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:44:30,724 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:44:30,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:44:30,727 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 20:44:30,728 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 20:44:37,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:44:37,206 INFO L255 TraceCheckSpWp]: Trace formula consists of 2596 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 20:44:37,221 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:44:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-11-04 20:44:38,256 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:44:42,540 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-04 20:44:42,541 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:44:42,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [416886253] [2024-11-04 20:44:42,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [416886253] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:44:42,541 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:44:42,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-04 20:44:42,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414361343] [2024-11-04 20:44:42,542 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:44:42,544 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-04 20:44:42,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:44:42,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-04 20:44:42,545 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-04 20:44:42,545 INFO L87 Difference]: Start difference. First operand 255 states and 344 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-04 20:44:42,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:44:42,971 INFO L93 Difference]: Finished difference Result 471 states and 642 transitions. [2024-11-04 20:44:42,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 20:44:42,972 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) Word has length 124 [2024-11-04 20:44:42,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:44:42,975 INFO L225 Difference]: With dead ends: 471 [2024-11-04 20:44:42,975 INFO L226 Difference]: Without dead ends: 259 [2024-11-04 20:44:42,976 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-04 20:44:42,977 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 0 mSDsluCounter, 1022 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1364 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-04 20:44:42,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1364 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-04 20:44:42,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-04 20:44:43,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2024-11-04 20:44:43,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 166 states have (on average 1.2409638554216869) internal successors, (206), 167 states have internal predecessors, (206), 71 states have call successors, (71), 20 states have call predecessors, (71), 21 states have return successors, (71), 71 states have call predecessors, (71), 70 states have call successors, (71) [2024-11-04 20:44:43,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 348 transitions. [2024-11-04 20:44:43,005 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 348 transitions. Word has length 124 [2024-11-04 20:44:43,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:44:43,006 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 348 transitions. [2024-11-04 20:44:43,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 states have internal predecessors, (69), 2 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-04 20:44:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 348 transitions. [2024-11-04 20:44:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-04 20:44:43,009 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:44:43,009 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:44:43,039 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 20:44:43,209 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 20:44:43,210 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:44:43,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:44:43,210 INFO L85 PathProgramCache]: Analyzing trace with hash -2137818038, now seen corresponding path program 1 times [2024-11-04 20:44:43,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:44:43,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [242306009] [2024-11-04 20:44:43,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:44:43,211 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:44:43,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:44:43,213 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 20:44:43,214 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 20:44:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:44:49,585 INFO L255 TraceCheckSpWp]: Trace formula consists of 2576 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 20:44:49,591 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:44:52,238 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-04 20:44:52,238 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:44:57,937 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-04 20:44:57,937 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:44:57,942 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [242306009] [2024-11-04 20:44:57,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [242306009] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:44:57,942 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:44:57,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 8 [2024-11-04 20:44:57,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82845841] [2024-11-04 20:44:57,942 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:44:57,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-04 20:44:57,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:44:57,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-04 20:44:57,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-04 20:44:57,944 INFO L87 Difference]: Start difference. First operand 259 states and 348 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-04 20:45:01,848 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-04 20:45:04,675 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 20:45:14,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:45:14,183 INFO L93 Difference]: Finished difference Result 467 states and 652 transitions. [2024-11-04 20:45:14,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-04 20:45:14,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) Word has length 130 [2024-11-04 20:45:14,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:45:14,190 INFO L225 Difference]: With dead ends: 467 [2024-11-04 20:45:14,190 INFO L226 Difference]: Without dead ends: 282 [2024-11-04 20:45:14,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-04 20:45:14,192 INFO L432 NwaCegarLoop]: 319 mSDtfsCounter, 58 mSDsluCounter, 1553 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1872 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2024-11-04 20:45:14,192 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1872 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 15.8s Time] [2024-11-04 20:45:14,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 282 states. [2024-11-04 20:45:14,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 282 to 276. [2024-11-04 20:45:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 276 states, 176 states have (on average 1.2386363636363635) internal successors, (218), 178 states have internal predecessors, (218), 76 states have call successors, (76), 21 states have call predecessors, (76), 23 states have return successors, (83), 76 states have call predecessors, (83), 75 states have call successors, (83) [2024-11-04 20:45:14,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 377 transitions. [2024-11-04 20:45:14,212 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 377 transitions. Word has length 130 [2024-11-04 20:45:14,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:45:14,212 INFO L471 AbstractCegarLoop]: Abstraction has 276 states and 377 transitions. [2024-11-04 20:45:14,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 7 states have internal predecessors, (57), 4 states have call successors, (22), 3 states have call predecessors, (22), 2 states have return successors, (20), 4 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-04 20:45:14,212 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 377 transitions. [2024-11-04 20:45:14,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-04 20:45:14,214 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:45:14,214 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 20:45:14,231 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 20:45:14,414 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 20:45:14,415 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:45:14,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:45:14,416 INFO L85 PathProgramCache]: Analyzing trace with hash 430379640, now seen corresponding path program 1 times [2024-11-04 20:45:14,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:45:14,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1483594476] [2024-11-04 20:45:14,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:45:14,416 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:45:14,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:45:14,419 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 20:45:14,421 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 20:45:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:45:21,189 INFO L255 TraceCheckSpWp]: Trace formula consists of 2579 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-04 20:45:21,196 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:45:21,830 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2024-11-04 20:45:21,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:45:27,224 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2024-11-04 20:45:27,225 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:45:27,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1483594476] [2024-11-04 20:45:27,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1483594476] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:45:27,225 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:45:27,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2024-11-04 20:45:27,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484056879] [2024-11-04 20:45:27,225 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:45:27,226 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 20:45:27,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:45:27,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 20:45:27,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:45:27,227 INFO L87 Difference]: Start difference. First operand 276 states and 377 transitions. Second operand has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-04 20:45:27,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:45:27,671 INFO L93 Difference]: Finished difference Result 488 states and 677 transitions. [2024-11-04 20:45:27,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 20:45:27,672 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 131 [2024-11-04 20:45:27,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:45:27,674 INFO L225 Difference]: With dead ends: 488 [2024-11-04 20:45:27,675 INFO L226 Difference]: Without dead ends: 278 [2024-11-04 20:45:27,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 256 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 20:45:27,676 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 0 mSDsluCounter, 1023 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-04 20:45:27,676 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1365 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-04 20:45:27,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2024-11-04 20:45:27,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2024-11-04 20:45:27,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 178 states have (on average 1.2359550561797752) internal successors, (220), 180 states have internal predecessors, (220), 76 states have call successors, (76), 21 states have call predecessors, (76), 23 states have return successors, (83), 76 states have call predecessors, (83), 75 states have call successors, (83) [2024-11-04 20:45:27,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 379 transitions. [2024-11-04 20:45:27,691 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 379 transitions. Word has length 131 [2024-11-04 20:45:27,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:45:27,692 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 379 transitions. [2024-11-04 20:45:27,692 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.0) internal successors, (72), 6 states have internal predecessors, (72), 2 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2024-11-04 20:45:27,692 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 379 transitions. [2024-11-04 20:45:27,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-04 20:45:27,694 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:45:27,694 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-04 20:45:27,722 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-04 20:45:27,894 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 20:45:27,895 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:45:27,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:45:27,895 INFO L85 PathProgramCache]: Analyzing trace with hash -896587720, now seen corresponding path program 1 times [2024-11-04 20:45:27,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:45:27,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2074060213] [2024-11-04 20:45:27,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:45:27,896 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:45:27,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:45:27,899 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 20:45:27,906 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process