/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 'mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 07:52:07,490 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 07:52:07,552 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-05 07:52:07,557 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 07:52:07,557 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 07:52:07,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 07:52:07,581 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 07:52:07,581 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 07:52:07,582 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 07:52:07,584 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 07:52:07,584 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 07:52:07,585 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 07:52:07,585 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 07:52:07,585 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 07:52:07,585 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 07:52:07,586 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 07:52:07,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 07:52:07,586 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 07:52:07,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 07:52:07,587 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 07:52:07,587 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 07:52:07,588 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 07:52:07,589 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 07:52:07,589 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 07:52:07,589 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 07:52:07,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 07:52:07,589 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 07:52:07,589 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 07:52:07,590 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 07:52:07,590 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 07:52:07,590 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 07:52:07,590 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 07:52:07,590 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 07:52:07,590 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 07:52:07,591 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 07:52:07,591 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 07:52:07,591 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 07:52:07,591 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 07:52:07,592 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 07:52:07,592 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 07:52:07,592 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 07:52:07,592 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:52:07,780 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 07:52:07,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 07:52:07,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 07:52:07,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 07:52:07,802 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 07:52:07,803 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i [2024-11-05 07:52:09,072 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 07:52:09,386 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 07:52:09,387 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_clear_harness.i [2024-11-05 07:52:09,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974b8e888/87e75daf27c44d65ad40109cc9f8e24d/FLAG3fe6b7d4b [2024-11-05 07:52:09,636 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/974b8e888/87e75daf27c44d65ad40109cc9f8e24d [2024-11-05 07:52:09,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 07:52:09,639 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 07:52:09,640 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 07:52:09,640 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 07:52:09,644 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 07:52:09,644 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:52:09" (1/1) ... [2024-11-05 07:52:09,645 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6775cace and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:09, skipping insertion in model container [2024-11-05 07:52:09,645 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 07:52:09" (1/1) ... [2024-11-05 07:52:09,720 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 07:52:09,918 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_array_list_clear_harness.i[4494,4507] [2024-11-05 07:52:09,925 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_array_list_clear_harness.i[4554,4567] [2024-11-05 07:52:10,353 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,469 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,469 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,470 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,478 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,481 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,482 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,482 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,482 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,482 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,483 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,486 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,487 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,488 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,489 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,497 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,498 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,499 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,500 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,501 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,501 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,501 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,502 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,503 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,503 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,503 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,504 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,505 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,733 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,734 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,735 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,736 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,802 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,808 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,818 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,819 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,819 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,819 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,819 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,820 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,820 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,821 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,822 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,822 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,822 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,823 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,823 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,823 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 07:52:10,905 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 07:52:10,945 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 07:52:10,948 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_array_list_clear_harness.i[4494,4507] [2024-11-05 07:52:10,948 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_array_list_clear_harness.i[4554,4567] [2024-11-05 07:52:10,967 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,988 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,988 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,989 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,991 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,991 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,991 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,991 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,992 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,992 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,992 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,993 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,993 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,994 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,994 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,996 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,996 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,996 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,996 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,997 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,997 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,997 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,998 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,999 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:10,999 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:10,999 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,000 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,036 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,036 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,037 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,037 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,051 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,054 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,059 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,060 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,060 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,060 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,060 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,060 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,060 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,060 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 07:52:11,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 07:52:11,096 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 07:52:11,109 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_array_list_clear_harness.i[4494,4507] [2024-11-05 07:52:11,110 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_array_list_clear_harness.i[4554,4567] [2024-11-05 07:52:11,146 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,148 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,148 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,149 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,149 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,152 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,152 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,153 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,153 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,153 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,154 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,154 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,154 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,186 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,188 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 07:52:11,193 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7529-7540] [2024-11-05 07:52:11,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 07:52:11,378 INFO L204 MainTranslator]: Completed translation [2024-11-05 07:52:11,379 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11 WrapperNode [2024-11-05 07:52:11,379 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 07:52:11,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 07:52:11,380 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 07:52:11,380 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 07:52:11,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11" (1/1) ... [2024-11-05 07:52:11,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11" (1/1) ... [2024-11-05 07:52:11,478 INFO L138 Inliner]: procedures = 699, calls = 1574, calls flagged for inlining = 46, calls inlined = 6, statements flattened = 583 [2024-11-05 07:52:11,478 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 07:52:11,479 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 07:52:11,479 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 07:52:11,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 07:52:11,491 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11" (1/1) ... [2024-11-05 07:52:11,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11" (1/1) ... [2024-11-05 07:52:11,503 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11" (1/1) ... [2024-11-05 07:52:11,575 INFO L175 MemorySlicer]: Split 291 memory accesses to 6 slices as follows [2, 238, 3, 5, 9, 34]. 82 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [2, 6, 1, 5, 5, 5]. The 237 writes are split as follows [0, 232, 1, 0, 0, 4]. [2024-11-05 07:52:11,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11" (1/1) ... [2024-11-05 07:52:11,575 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11" (1/1) ... [2024-11-05 07:52:11,599 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11" (1/1) ... [2024-11-05 07:52:11,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11" (1/1) ... [2024-11-05 07:52:11,617 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11" (1/1) ... [2024-11-05 07:52:11,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11" (1/1) ... [2024-11-05 07:52:11,634 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 07:52:11,635 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 07:52:11,635 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 07:52:11,635 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 07:52:11,636 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11" (1/1) ... [2024-11-05 07:52:11,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 07:52:11,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 07:52:11,663 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) [2024-11-05 07:52:11,671 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 [2024-11-05 07:52:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 07:52:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-05 07:52:11,688 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-05 07:52:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-05 07:52:11,688 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-05 07:52:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 07:52:11,688 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 07:52:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 07:52:11,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 07:52:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 07:52:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 07:52:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 07:52:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 07:52:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 07:52:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 07:52:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 07:52:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 07:52:11,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 07:52:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 07:52:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 07:52:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 07:52:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 07:52:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 07:52:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 07:52:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 07:52:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 07:52:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 07:52:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 07:52:11,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 07:52:11,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 07:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 07:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 07:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 07:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 07:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 07:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 07:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 07:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 07:52:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 07:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 07:52:11,691 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 07:52:11,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 07:52:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 07:52:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 07:52:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 07:52:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 07:52:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 07:52:11,692 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-05 07:52:11,693 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-05 07:52:11,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 07:52:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 07:52:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 07:52:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 07:52:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 07:52:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 07:52:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 07:52:11,694 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 07:52:11,694 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 07:52:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clear [2024-11-05 07:52:11,695 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clear [2024-11-05 07:52:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 07:52:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 07:52:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 07:52:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 07:52:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 07:52:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 07:52:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 07:52:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 07:52:11,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 07:52:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 07:52:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 07:52:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 07:52:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 07:52:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 07:52:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 07:52:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 07:52:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 07:52:11,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 07:52:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 07:52:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 07:52:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-05 07:52:11,697 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-05 07:52:11,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 07:52:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 07:52:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 07:52:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 07:52:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 07:52:11,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 07:52:11,989 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 07:52:11,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 07:52:18,886 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-05 07:52:18,887 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 07:52:18,897 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 07:52:18,897 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-05 07:52:18,898 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:52:18 BoogieIcfgContainer [2024-11-05 07:52:18,898 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 07:52:18,900 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 07:52:18,900 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 07:52:18,903 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 07:52:18,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 07:52:09" (1/3) ... [2024-11-05 07:52:18,903 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fff2d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:52:18, skipping insertion in model container [2024-11-05 07:52:18,903 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 07:52:11" (2/3) ... [2024-11-05 07:52:18,904 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78fff2d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 07:52:18, skipping insertion in model container [2024-11-05 07:52:18,904 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 07:52:18" (3/3) ... [2024-11-05 07:52:18,905 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_array_list_clear_harness.i [2024-11-05 07:52:18,916 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 07:52:18,916 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 07:52:18,970 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 07:52:18,975 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;@4ea1fc4a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 07:52:18,975 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 07:52:18,979 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) [2024-11-05 07:52:18,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-05 07:52:18,988 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 07:52:18,988 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-05 07:52:18,989 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 07:52:18,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 07:52:18,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1818819730, now seen corresponding path program 1 times [2024-11-05 07:52:19,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 07:52:19,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702559432] [2024-11-05 07:52:19,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 07:52:19,002 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:52:19,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 07:52:19,005 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 07:52:19,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-05 07:52:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 07:52:25,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 07:52:25,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 07:52:25,514 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-05 07:52:25,514 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 07:52:26,919 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-05 07:52:26,920 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 07:52:26,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702559432] [2024-11-05 07:52:26,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [702559432] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 07:52:26,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 07:52:26,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-05 07:52:26,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66794849] [2024-11-05 07:52:26,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 07:52:26,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 07:52:26,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 07:52:26,940 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 07:52:26,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 07:52:26,942 INFO L87 Difference]: Start difference. First operand has 101 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 64 states have internal predecessors, (75), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (25), 25 states have call predecessors, (25), 25 states have call successors, (25) Second operand has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-05 07:52:26,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 07:52:26,967 INFO L93 Difference]: Finished difference Result 195 states and 256 transitions. [2024-11-05 07:52:26,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 07:52:26,968 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2024-11-05 07:52:26,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 07:52:26,974 INFO L225 Difference]: With dead ends: 195 [2024-11-05 07:52:26,974 INFO L226 Difference]: Without dead ends: 96 [2024-11-05 07:52:26,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 07:52:26,981 INFO L432 NwaCegarLoop]: 123 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, 123 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 [2024-11-05 07:52:26,982 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 07:52:26,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-05 07:52:27,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-05 07:52:27,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 59 states have (on average 1.1694915254237288) internal successors, (69), 60 states have internal predecessors, (69), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-05 07:52:27,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 118 transitions. [2024-11-05 07:52:27,019 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 118 transitions. Word has length 60 [2024-11-05 07:52:27,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 07:52:27,022 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 118 transitions. [2024-11-05 07:52:27,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-05 07:52:27,022 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 118 transitions. [2024-11-05 07:52:27,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-05 07:52:27,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 07:52:27,024 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-05 07:52:27,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-05 07:52:27,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:52:27,225 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 07:52:27,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 07:52:27,226 INFO L85 PathProgramCache]: Analyzing trace with hash -1417756758, now seen corresponding path program 1 times [2024-11-05 07:52:27,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 07:52:27,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2076065656] [2024-11-05 07:52:27,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 07:52:27,226 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:52:27,226 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 07:52:27,227 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 07:52:27,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-05 07:52:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 07:52:33,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 07:52:33,185 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 07:52:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-05 07:52:35,190 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 07:52:39,115 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-05 07:52:39,115 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 07:52:39,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2076065656] [2024-11-05 07:52:39,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2076065656] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 07:52:39,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 07:52:39,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2024-11-05 07:52:39,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769645679] [2024-11-05 07:52:39,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 07:52:39,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-05 07:52:39,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 07:52:39,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-05 07:52:39,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 07:52:39,119 INFO L87 Difference]: Start difference. First operand 96 states and 118 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-05 07:52:42,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 07:52:42,178 INFO L93 Difference]: Finished difference Result 160 states and 199 transitions. [2024-11-05 07:52:42,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 07:52:42,179 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2024-11-05 07:52:42,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 07:52:42,182 INFO L225 Difference]: With dead ends: 160 [2024-11-05 07:52:42,182 INFO L226 Difference]: Without dead ends: 98 [2024-11-05 07:52:42,183 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 07:52:42,183 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 23 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-11-05 07:52:42,184 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 362 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-11-05 07:52:42,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-05 07:52:42,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-05 07:52:42,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 62 states have internal predecessors, (70), 25 states have call successors, (25), 11 states have call predecessors, (25), 12 states have return successors, (26), 24 states have call predecessors, (26), 24 states have call successors, (26) [2024-11-05 07:52:42,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 121 transitions. [2024-11-05 07:52:42,195 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 121 transitions. Word has length 60 [2024-11-05 07:52:42,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 07:52:42,195 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 121 transitions. [2024-11-05 07:52:42,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (11), 2 states have call predecessors, (11), 3 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2024-11-05 07:52:42,196 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 121 transitions. [2024-11-05 07:52:42,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-05 07:52:42,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 07:52:42,197 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-05 07:52:42,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-05 07:52:42,398 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:52:42,398 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 07:52:42,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 07:52:42,399 INFO L85 PathProgramCache]: Analyzing trace with hash -270811530, now seen corresponding path program 1 times [2024-11-05 07:52:42,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 07:52:42,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365857686] [2024-11-05 07:52:42,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 07:52:42,399 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:52:42,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 07:52:42,402 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 07:52:42,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-05 07:52:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 07:52:48,796 INFO L255 TraceCheckSpWp]: Trace formula consists of 2465 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 07:52:48,800 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 07:52:52,137 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-05 07:52:52,137 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 07:52:57,496 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-05 07:52:57,496 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 07:52:57,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365857686] [2024-11-05 07:52:57,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [365857686] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 07:52:57,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 07:52:57,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-11-05 07:52:57,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361598394] [2024-11-05 07:52:57,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 07:52:57,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 07:52:57,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 07:52:57,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 07:52:57,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-05 07:52:57,498 INFO L87 Difference]: Start difference. First operand 98 states and 121 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-05 07:53:02,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 07:53:02,279 INFO L93 Difference]: Finished difference Result 157 states and 192 transitions. [2024-11-05 07:53:02,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-05 07:53:02,281 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) Word has length 75 [2024-11-05 07:53:02,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 07:53:02,282 INFO L225 Difference]: With dead ends: 157 [2024-11-05 07:53:02,282 INFO L226 Difference]: Without dead ends: 96 [2024-11-05 07:53:02,283 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-05 07:53:02,283 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 33 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 540 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-05 07:53:02,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 540 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-05 07:53:02,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-05 07:53:02,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-11-05 07:53:02,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 59 states have (on average 1.152542372881356) internal successors, (68), 60 states have internal predecessors, (68), 25 states have call successors, (25), 11 states have call predecessors, (25), 11 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-05 07:53:02,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 117 transitions. [2024-11-05 07:53:02,291 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 117 transitions. Word has length 75 [2024-11-05 07:53:02,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 07:53:02,291 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 117 transitions. [2024-11-05 07:53:02,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 4 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (11), 3 states have call predecessors, (11), 4 states have call successors, (11) [2024-11-05 07:53:02,291 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 117 transitions. [2024-11-05 07:53:02,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-11-05 07:53:02,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 07:53:02,293 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2024-11-05 07:53:02,354 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-05 07:53:02,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:53:02,494 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 07:53:02,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 07:53:02,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1423335052, now seen corresponding path program 1 times [2024-11-05 07:53:02,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 07:53:02,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038543443] [2024-11-05 07:53:02,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 07:53:02,497 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 07:53:02,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 07:53:02,498 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-05 07:53:02,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-05 07:53:09,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 07:53:09,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 2665 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-05 07:53:09,376 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 07:53:30,073 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-05 07:53:30,074 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 07:53:48,343 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-05 07:53:48,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2024-11-05 07:53:49,140 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-05 07:53:49,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 19 [2024-11-05 07:53:50,903 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-05 07:53:50,903 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 07:53:50,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038543443] [2024-11-05 07:53:50,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1038543443] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-05 07:53:50,904 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-05 07:53:50,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10] total 17 [2024-11-05 07:53:50,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591962470] [2024-11-05 07:53:50,904 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-05 07:53:50,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-05 07:53:50,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 07:53:50,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-05 07:53:50,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-11-05 07:53:50,906 INFO L87 Difference]: Start difference. First operand 96 states and 117 transitions. Second operand has 17 states, 17 states have (on average 5.176470588235294) internal successors, (88), 15 states have internal predecessors, (88), 9 states have call successors, (28), 5 states have call predecessors, (28), 4 states have return successors, (25), 9 states have call predecessors, (25), 9 states have call successors, (25)