/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_priority_queue_clean_up_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 08:20:35,559 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 08:20:35,644 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 08:20:35,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 08:20:35,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 08:20:35,678 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 08:20:35,679 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 08:20:35,679 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 08:20:35,680 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 08:20:35,684 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 08:20:35,684 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 08:20:35,684 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 08:20:35,685 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 08:20:35,685 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 08:20:35,685 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 08:20:35,686 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 08:20:35,686 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 08:20:35,686 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 08:20:35,686 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 08:20:35,687 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 08:20:35,687 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 08:20:35,689 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 08:20:35,690 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 08:20:35,690 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 08:20:35,690 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 08:20:35,690 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 08:20:35,690 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 08:20:35,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 08:20:35,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 08:20:35,691 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 08:20:35,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 08:20:35,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 08:20:35,692 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 08:20:35,692 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 08:20:35,692 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 08:20:35,693 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 08:20:35,693 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 08:20:35,693 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 08:20:35,693 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 08:20:35,694 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 08:20:35,694 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 08:20:35,695 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 08:20:35,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 08:20:35,942 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 08:20:35,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 08:20:35,947 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 08:20:35,947 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 08:20:35,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_clean_up_harness.i [2024-11-05 08:20:37,349 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 08:20:37,776 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 08:20:37,776 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_clean_up_harness.i [2024-11-05 08:20:37,806 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044b893a0/5ac18eb5255a4a02a4788002cb94ab39/FLAGb7cf887c6 [2024-11-05 08:20:37,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044b893a0/5ac18eb5255a4a02a4788002cb94ab39 [2024-11-05 08:20:37,930 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 08:20:37,931 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 08:20:37,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 08:20:37,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 08:20:37,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 08:20:37,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:20:37" (1/1) ... [2024-11-05 08:20:37,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c702b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:37, skipping insertion in model container [2024-11-05 08:20:37,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:20:37" (1/1) ... [2024-11-05 08:20:38,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 08:20:38,282 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_priority_queue_clean_up_harness.i[4501,4514] [2024-11-05 08:20:38,291 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_priority_queue_clean_up_harness.i[4561,4574] [2024-11-05 08:20:38,821 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 08:20:38,961 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:20:38,961 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:20:38,962 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:20:38,976 WARN 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 08:20:38,978 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:38,978 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:38,978 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:38,979 WARN 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 08:20:38,979 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:38,981 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:38,984 WARN 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 08:20:38,984 WARN 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 08:20:38,987 WARN 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 08:20:38,987 WARN 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 08:20:38,993 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:38,993 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 08:20:38,993 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:38,994 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 08:20:38,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:38,995 WARN 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 08:20:38,995 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:38,996 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 08:20:39,242 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:20:39,242 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:20:39,243 WARN 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 08:20:39,243 WARN 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 08:20:39,314 WARN 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 08:20:39,325 WARN 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 08:20:39,331 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,332 WARN 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 08:20:39,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,381 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 08:20:39,431 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 08:20:39,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 08:20:39,460 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_priority_queue_clean_up_harness.i[4501,4514] [2024-11-05 08:20:39,461 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_priority_queue_clean_up_harness.i[4561,4574] [2024-11-05 08:20:39,488 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 08:20:39,528 WARN 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 08:20:39,529 WARN 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 08:20:39,529 WARN 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 08:20:39,537 WARN 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 08:20:39,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,538 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,539 WARN 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 08:20:39,539 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,540 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,541 WARN 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 08:20:39,542 WARN 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 08:20:39,543 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:20:39,543 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:20:39,547 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,548 WARN 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 08:20:39,548 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,548 WARN 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 08:20:39,549 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,550 WARN 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 08:20:39,550 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,550 WARN 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 08:20:39,610 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:20:39,611 WARN 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 08:20:39,611 WARN 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 08:20:39,612 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:20:39,649 WARN 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 08:20:39,660 WARN 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 08:20:39,663 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,664 WARN 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 08:20:39,664 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,735 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 08:20:39,760 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 08:20:39,773 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_priority_queue_clean_up_harness.i[4501,4514] [2024-11-05 08:20:39,773 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_priority_queue_clean_up_harness.i[4561,4574] [2024-11-05 08:20:39,809 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,859 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,862 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:20:39,870 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-05 08:20:39,888 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 08:20:40,087 INFO L204 MainTranslator]: Completed translation [2024-11-05 08:20:40,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40 WrapperNode [2024-11-05 08:20:40,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 08:20:40,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 08:20:40,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 08:20:40,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 08:20:40,097 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40" (1/1) ... [2024-11-05 08:20:40,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40" (1/1) ... [2024-11-05 08:20:40,254 INFO L138 Inliner]: procedures = 698, calls = 1509, calls flagged for inlining = 54, calls inlined = 9, statements flattened = 620 [2024-11-05 08:20:40,254 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 08:20:40,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 08:20:40,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 08:20:40,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 08:20:40,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40" (1/1) ... [2024-11-05 08:20:40,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40" (1/1) ... [2024-11-05 08:20:40,280 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40" (1/1) ... [2024-11-05 08:20:40,399 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 6, 238, 3, 47]. 80 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 5, 6, 1, 0]. The 251 writes are split as follows [0, 0, 232, 1, 18]. [2024-11-05 08:20:40,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40" (1/1) ... [2024-11-05 08:20:40,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40" (1/1) ... [2024-11-05 08:20:40,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40" (1/1) ... [2024-11-05 08:20:40,450 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40" (1/1) ... [2024-11-05 08:20:40,473 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40" (1/1) ... [2024-11-05 08:20:40,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40" (1/1) ... [2024-11-05 08:20:40,499 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 08:20:40,501 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 08:20:40,501 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 08:20:40,501 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 08:20:40,503 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40" (1/1) ... [2024-11-05 08:20:40,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 08:20:40,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 08:20:40,529 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 08:20:40,532 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 08:20:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-05 08:20:40,557 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-05 08:20:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 08:20:40,557 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-05 08:20:40,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-05 08:20:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-05 08:20:40,558 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-05 08:20:40,558 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 08:20:40,558 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 08:20:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 08:20:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 08:20:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 08:20:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 08:20:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 08:20:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 08:20:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 08:20:40,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 08:20:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 08:20:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 08:20:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 08:20:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 08:20:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 08:20:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 08:20:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 08:20:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 08:20:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 08:20:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 08:20:40,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 08:20:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 08:20:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 08:20:40,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 08:20:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 08:20:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 08:20:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 08:20:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 08:20:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 08:20:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 08:20:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_clean_up [2024-11-05 08:20:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_clean_up [2024-11-05 08:20:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 08:20:40,561 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 08:20:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 08:20:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 08:20:40,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 08:20:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 08:20:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 08:20:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 08:20:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 08:20:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 08:20:40,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 08:20:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 08:20:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-05 08:20:40,563 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-05 08:20:40,563 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-05 08:20:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-05 08:20:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 08:20:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 08:20:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 08:20:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 08:20:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 08:20:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-05 08:20:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-05 08:20:40,564 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-05 08:20:40,564 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-05 08:20:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 08:20:40,565 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 08:20:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 08:20:40,565 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 08:20:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 08:20:40,566 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 08:20:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 08:20:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 08:20:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 08:20:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 08:20:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 08:20:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 08:20:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 08:20:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 08:20:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 08:20:40,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 08:20:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 08:20:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 08:20:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 08:20:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 08:20:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 08:20:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 08:20:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 08:20:40,568 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 08:20:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 08:20:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-05 08:20:40,569 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-05 08:20:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 08:20:40,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 08:20:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 08:20:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 08:20:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 08:20:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 08:20:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 08:20:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 08:20:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 08:20:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 08:20:40,570 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-05 08:20:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-05 08:20:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-05 08:20:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-05 08:20:40,571 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-05 08:20:40,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-05 08:20:40,899 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 08:20:40,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 08:20:49,692 INFO L? ?]: Removed 132 outVars from TransFormulas that were not future-live. [2024-11-05 08:20:49,692 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 08:20:49,709 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 08:20:49,709 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-05 08:20:49,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:20:49 BoogieIcfgContainer [2024-11-05 08:20:49,710 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 08:20:49,712 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 08:20:49,712 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 08:20:49,715 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 08:20:49,715 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:20:37" (1/3) ... [2024-11-05 08:20:49,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680f705f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:20:49, skipping insertion in model container [2024-11-05 08:20:49,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:20:40" (2/3) ... [2024-11-05 08:20:49,716 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680f705f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:20:49, skipping insertion in model container [2024-11-05 08:20:49,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:20:49" (3/3) ... [2024-11-05 08:20:49,718 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_clean_up_harness.i [2024-11-05 08:20:49,733 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 08:20:49,733 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 08:20:49,799 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 08:20:49,808 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;@1c8ef4ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 08:20:49,809 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 08:20:49,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 181 states, 121 states have (on average 1.2479338842975207) internal successors, (151), 122 states have internal predecessors, (151), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) [2024-11-05 08:20:49,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-05 08:20:49,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 08:20:49,832 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 5, 5, 5, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 08:20:49,833 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 08:20:49,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 08:20:49,836 INFO L85 PathProgramCache]: Analyzing trace with hash 1166305317, now seen corresponding path program 1 times [2024-11-05 08:20:49,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 08:20:49,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709482666] [2024-11-05 08:20:49,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 08:20:49,846 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 08:20:49,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 08:20:49,847 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 08:20:49,849 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 08:20:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 08:20:57,763 INFO L255 TraceCheckSpWp]: Trace formula consists of 2650 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 08:20:57,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 08:20:57,810 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-05 08:20:57,810 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 08:21:02,360 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-11-05 08:21:02,361 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 08:21:02,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709482666] [2024-11-05 08:21:02,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1709482666] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 08:21:02,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 08:21:02,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-05 08:21:02,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890915297] [2024-11-05 08:21:02,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 08:21:02,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 08:21:02,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 08:21:02,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 08:21:02,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 08:21:02,395 INFO L87 Difference]: Start difference. First operand has 181 states, 121 states have (on average 1.2479338842975207) internal successors, (151), 122 states have internal predecessors, (151), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (41), 41 states have call predecessors, (41), 41 states have call successors, (41) Second operand has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 08:21:02,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 08:21:02,447 INFO L93 Difference]: Finished difference Result 336 states and 457 transitions. [2024-11-05 08:21:02,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 08:21:02,449 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 135 [2024-11-05 08:21:02,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 08:21:02,456 INFO L225 Difference]: With dead ends: 336 [2024-11-05 08:21:02,456 INFO L226 Difference]: Without dead ends: 176 [2024-11-05 08:21:02,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 268 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 08:21:02,464 INFO L432 NwaCegarLoop]: 227 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, 227 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 08:21:02,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 08:21:02,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-05 08:21:02,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-05 08:21:02,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 116 states have (on average 1.2155172413793103) internal successors, (141), 118 states have internal predecessors, (141), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-05 08:21:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 222 transitions. [2024-11-05 08:21:02,518 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 222 transitions. Word has length 135 [2024-11-05 08:21:02,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 08:21:02,519 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 222 transitions. [2024-11-05 08:21:02,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.5) internal successors, (55), 2 states have internal predecessors, (55), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-05 08:21:02,519 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 222 transitions. [2024-11-05 08:21:02,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2024-11-05 08:21:02,524 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 08:21:02,524 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 08:21:02,575 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 08:21:02,725 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 08:21:02,725 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 08:21:02,726 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 08:21:02,726 INFO L85 PathProgramCache]: Analyzing trace with hash 703796999, now seen corresponding path program 1 times [2024-11-05 08:21:02,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 08:21:02,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [285181701] [2024-11-05 08:21:02,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 08:21:02,726 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 08:21:02,727 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 08:21:02,728 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 08:21:02,728 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 08:21:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 08:21:10,112 INFO L255 TraceCheckSpWp]: Trace formula consists of 2696 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 08:21:10,120 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 08:21:13,294 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-05 08:21:13,295 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 08:21:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-05 08:21:23,694 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 08:21:23,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [285181701] [2024-11-05 08:21:23,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [285181701] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 08:21:23,695 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 08:21:23,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2024-11-05 08:21:23,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469172311] [2024-11-05 08:21:23,695 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 08:21:23,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 08:21:23,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 08:21:23,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 08:21:23,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 08:21:23,699 INFO L87 Difference]: Start difference. First operand 176 states and 222 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-05 08:21:25,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 08:21:25,690 INFO L93 Difference]: Finished difference Result 273 states and 341 transitions. [2024-11-05 08:21:25,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 08:21:25,691 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 152 [2024-11-05 08:21:25,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 08:21:25,694 INFO L225 Difference]: With dead ends: 273 [2024-11-05 08:21:25,694 INFO L226 Difference]: Without dead ends: 176 [2024-11-05 08:21:25,695 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 298 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 08:21:25,696 INFO L432 NwaCegarLoop]: 211 mSDtfsCounter, 7 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 602 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-05 08:21:25,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 602 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-05 08:21:25,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-05 08:21:25,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2024-11-05 08:21:25,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 116 states have (on average 1.206896551724138) internal successors, (140), 118 states have internal predecessors, (140), 41 states have call successors, (41), 18 states have call predecessors, (41), 18 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-05 08:21:25,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 221 transitions. [2024-11-05 08:21:25,712 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 221 transitions. Word has length 152 [2024-11-05 08:21:25,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 08:21:25,713 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 221 transitions. [2024-11-05 08:21:25,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-05 08:21:25,713 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2024-11-05 08:21:25,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-05 08:21:25,716 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 08:21:25,716 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 08:21:25,784 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 08:21:25,917 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 08:21:25,917 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 08:21:25,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 08:21:25,918 INFO L85 PathProgramCache]: Analyzing trace with hash -782347531, now seen corresponding path program 1 times [2024-11-05 08:21:25,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 08:21:25,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192829823] [2024-11-05 08:21:25,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 08:21:25,919 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 08:21:25,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 08:21:25,920 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 08:21:25,921 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 08:21:32,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 08:21:32,980 INFO L255 TraceCheckSpWp]: Trace formula consists of 2726 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 08:21:32,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 08:21:37,882 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-05 08:21:37,882 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 08:21:52,035 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2024-11-05 08:21:52,036 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 08:21:52,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192829823] [2024-11-05 08:21:52,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1192829823] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 08:21:52,036 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 08:21:52,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 9 [2024-11-05 08:21:52,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545206822] [2024-11-05 08:21:52,036 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 08:21:52,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-05 08:21:52,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 08:21:52,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-05 08:21:52,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-05 08:21:52,039 INFO L87 Difference]: Start difference. First operand 176 states and 221 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 5 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2024-11-05 08:21:59,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 08:21:59,422 INFO L93 Difference]: Finished difference Result 292 states and 370 transitions. [2024-11-05 08:21:59,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 08:21:59,424 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 5 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) Word has length 160 [2024-11-05 08:21:59,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 08:21:59,427 INFO L225 Difference]: With dead ends: 292 [2024-11-05 08:21:59,427 INFO L226 Difference]: Without dead ends: 178 [2024-11-05 08:21:59,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 311 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-05 08:21:59,429 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 61 mSDsluCounter, 957 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 1158 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-05 08:21:59,429 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 1158 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-05 08:21:59,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-05 08:21:59,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2024-11-05 08:21:59,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 117 states have (on average 1.205128205128205) internal successors, (141), 120 states have internal predecessors, (141), 41 states have call successors, (41), 18 states have call predecessors, (41), 19 states have return successors, (42), 40 states have call predecessors, (42), 40 states have call successors, (42) [2024-11-05 08:21:59,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 224 transitions. [2024-11-05 08:21:59,451 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 224 transitions. Word has length 160 [2024-11-05 08:21:59,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 08:21:59,452 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 224 transitions. [2024-11-05 08:21:59,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 9 states have internal predecessors, (91), 5 states have call successors, (35), 2 states have call predecessors, (35), 4 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2024-11-05 08:21:59,454 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 224 transitions. [2024-11-05 08:21:59,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-05 08:21:59,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 08:21:59,457 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:21:59,524 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 08:21:59,657 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 08:21:59,658 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 08:21:59,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 08:21:59,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1883194293, now seen corresponding path program 1 times [2024-11-05 08:21:59,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 08:21:59,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556922123] [2024-11-05 08:21:59,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 08:21:59,659 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 08:21:59,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 08:21:59,662 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 08:21:59,663 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 08:22:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 08:22:06,797 INFO L255 TraceCheckSpWp]: Trace formula consists of 2826 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 08:22:06,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 08:22:11,036 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-11-05 08:22:11,037 INFO L311 TraceCheckSpWp]: Computing backward predicates...