/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_top_harness_negated.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-05 08:23:57,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-05 08:23:57,079 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 08:23:57,087 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-05 08:23:57,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-05 08:23:57,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-05 08:23:57,118 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-05 08:23:57,118 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-05 08:23:57,119 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-05 08:23:57,119 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-05 08:23:57,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-05 08:23:57,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-05 08:23:57,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-05 08:23:57,122 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-05 08:23:57,123 INFO L153 SettingsManager]: * Use SBE=true [2024-11-05 08:23:57,123 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-05 08:23:57,123 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-05 08:23:57,123 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-05 08:23:57,124 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-05 08:23:57,124 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-05 08:23:57,124 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-05 08:23:57,129 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-05 08:23:57,129 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-05 08:23:57,129 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-05 08:23:57,129 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-05 08:23:57,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-05 08:23:57,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-05 08:23:57,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-05 08:23:57,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-05 08:23:57,130 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-05 08:23:57,131 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-05 08:23:57,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 08:23:57,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-05 08:23:57,131 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-05 08:23:57,132 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-05 08:23:57,132 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-05 08:23:57,132 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-05 08:23:57,133 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-05 08:23:57,133 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-05 08:23:57,133 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-05 08:23:57,133 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-05 08:23:57,134 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-05 08:23:57,354 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-05 08:23:57,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-05 08:23:57,381 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-05 08:23:57,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-05 08:23:57,383 INFO L274 PluginConnector]: CDTParser initialized [2024-11-05 08:23:57,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_top_harness_negated.i [2024-11-05 08:23:58,775 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-05 08:23:59,189 INFO L384 CDTParser]: Found 1 translation units. [2024-11-05 08:23:59,190 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_top_harness_negated.i [2024-11-05 08:23:59,229 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77e685268/d65e1993bc914576a94d47fda3d219cb/FLAG9808e54db [2024-11-05 08:23:59,344 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77e685268/d65e1993bc914576a94d47fda3d219cb [2024-11-05 08:23:59,346 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-05 08:23:59,347 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-05 08:23:59,348 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-05 08:23:59,348 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-05 08:23:59,353 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-05 08:23:59,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:23:59" (1/1) ... [2024-11-05 08:23:59,355 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ff757b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:23:59, skipping insertion in model container [2024-11-05 08:23:59,355 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:23:59" (1/1) ... [2024-11-05 08:23:59,449 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 08:23:59,749 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_top_harness_negated.i[4496,4509] [2024-11-05 08:23:59,755 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_top_harness_negated.i[4556,4569] [2024-11-05 08:24:00,265 WARN 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 08:24:00,420 WARN 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 08:24:00,421 WARN 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 08:24:00,421 WARN 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 08:24:00,427 WARN 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 08:24:00,431 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:00,432 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:00,432 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:00,433 WARN 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 08:24:00,433 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:00,435 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:00,437 WARN 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 08:24:00,437 WARN 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 08:24:00,442 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:24:00,442 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:24:00,448 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:00,449 WARN 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 08:24:00,449 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:00,449 WARN 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 08:24:00,450 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:00,451 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:24:00,451 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:00,451 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:24:00,788 WARN 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 08:24:00,789 WARN 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 08:24:00,789 WARN 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 08:24:00,790 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:24:00,876 WARN 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 08:24:00,891 WARN 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 08:24:00,897 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:00,898 WARN 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 08:24:00,898 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:00,952 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:24:00,953 WARN 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 08:24:00,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 08:24:01,009 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-05 08:24:01,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-05 08:24:01,078 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_top_harness_negated.i[4496,4509] [2024-11-05 08:24:01,078 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_top_harness_negated.i[4556,4569] [2024-11-05 08:24:01,109 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:24:01,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:24:01,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:24:01,136 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:24:01,139 WARN 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 08:24:01,140 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,140 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,141 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,141 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-05 08:24:01,141 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,142 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,143 WARN 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 08:24:01,143 WARN 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 08:24:01,144 WARN 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 08:24:01,145 WARN 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 08:24:01,148 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,148 WARN 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 08:24:01,149 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,149 WARN 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 08:24:01,150 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,150 WARN 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 08:24:01,150 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,151 WARN 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 08:24:01,211 WARN 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 08:24:01,211 WARN 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 08:24:01,212 WARN 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 08:24:01,214 WARN 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 08:24:01,243 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 08:24:01,250 WARN 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 08:24:01,258 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,266 WARN 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 08:24:01,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,300 WARN 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 08:24:01,301 WARN 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 08:24:01,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 08:24:01,316 INFO L200 MainTranslator]: Completed pre-run [2024-11-05 08:24:01,336 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_top_harness_negated.i[4496,4509] [2024-11-05 08:24:01,336 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_top_harness_negated.i[4556,4569] [2024-11-05 08:24:01,396 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,399 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,400 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,400 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,401 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,407 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,407 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,409 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,410 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,479 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-05 08:24:01,484 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-11-05 08:24:01,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-05 08:24:01,677 INFO L204 MainTranslator]: Completed translation [2024-11-05 08:24:01,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01 WrapperNode [2024-11-05 08:24:01,677 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-05 08:24:01,679 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-05 08:24:01,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-05 08:24:01,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-05 08:24:01,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01" (1/1) ... [2024-11-05 08:24:01,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01" (1/1) ... [2024-11-05 08:24:01,859 INFO L138 Inliner]: procedures = 698, calls = 1548, calls flagged for inlining = 54, calls inlined = 10, statements flattened = 722 [2024-11-05 08:24:01,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-05 08:24:01,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-05 08:24:01,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-05 08:24:01,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-05 08:24:01,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01" (1/1) ... [2024-11-05 08:24:01,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01" (1/1) ... [2024-11-05 08:24:01,898 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01" (1/1) ... [2024-11-05 08:24:02,003 INFO L175 MemorySlicer]: Split 340 memory accesses to 7 slices as follows [7, 238, 2, 2, 3, 82, 6]. 70 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [5, 6, 2, 1, 1, 10, 0]. The 253 writes are split as follows [0, 232, 0, 1, 1, 17, 2]. [2024-11-05 08:24:02,004 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01" (1/1) ... [2024-11-05 08:24:02,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01" (1/1) ... [2024-11-05 08:24:02,056 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01" (1/1) ... [2024-11-05 08:24:02,069 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01" (1/1) ... [2024-11-05 08:24:02,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01" (1/1) ... [2024-11-05 08:24:02,100 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01" (1/1) ... [2024-11-05 08:24:02,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-05 08:24:02,118 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-05 08:24:02,118 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-05 08:24:02,118 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-05 08:24:02,119 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01" (1/1) ... [2024-11-05 08:24:02,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-05 08:24:02,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-05 08:24:02,152 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 08:24:02,157 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 08:24:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-05 08:24:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-05 08:24:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-05 08:24:02,177 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-05 08:24:02,177 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-05 08:24:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-05 08:24:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-05 08:24:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-05 08:24:02,178 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-05 08:24:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-05 08:24:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-05 08:24:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-05 08:24:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-05 08:24:02,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-05 08:24:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-05 08:24:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-05 08:24:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-05 08:24:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-05 08:24:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-05 08:24:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-05 08:24:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-05 08:24:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-05 08:24:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-05 08:24:02,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-05 08:24:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-05 08:24:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-05 08:24:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-05 08:24:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-05 08:24:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-05 08:24:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#6 [2024-11-05 08:24:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-05 08:24:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-05 08:24:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-05 08:24:02,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-05 08:24:02,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-05 08:24:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-05 08:24:02,181 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-05 08:24:02,211 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-05 08:24:02,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-05 08:24:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-05 08:24:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-05 08:24:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-05 08:24:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-05 08:24:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-05 08:24:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-05 08:24:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-05 08:24:02,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-05 08:24:02,212 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-05 08:24:02,213 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-05 08:24:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-05 08:24:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-05 08:24:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-05 08:24:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-05 08:24:02,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-05 08:24:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-05 08:24:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-05 08:24:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-05 08:24:02,214 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-05 08:24:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-05 08:24:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-05 08:24:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-05 08:24:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-05 08:24:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-05 08:24:02,214 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-05 08:24:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#6 [2024-11-05 08:24:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-05 08:24:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-05 08:24:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-05 08:24:02,215 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-05 08:24:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-05 08:24:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-05 08:24:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-05 08:24:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-05 08:24:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-05 08:24:02,215 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-05 08:24:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-05 08:24:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-05 08:24:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-05 08:24:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-05 08:24:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-05 08:24:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-05 08:24:02,216 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-05 08:24:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-05 08:24:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-05 08:24:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-05 08:24:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-05 08:24:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-05 08:24:02,216 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-05 08:24:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-05 08:24:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-05 08:24:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-05 08:24:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-05 08:24:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-05 08:24:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-05 08:24:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-05 08:24:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-05 08:24:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#6 [2024-11-05 08:24:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-05 08:24:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-05 08:24:02,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-05 08:24:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-05 08:24:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-05 08:24:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-05 08:24:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-05 08:24:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-05 08:24:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-05 08:24:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-05 08:24:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-05 08:24:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-05 08:24:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-05 08:24:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-05 08:24:02,218 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-05 08:24:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-05 08:24:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-05 08:24:02,219 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-05 08:24:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-05 08:24:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-05 08:24:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-05 08:24:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-05 08:24:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-05 08:24:02,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-05 08:24:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#6 [2024-11-05 08:24:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-05 08:24:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-05 08:24:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-05 08:24:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-05 08:24:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-05 08:24:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-05 08:24:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#6 [2024-11-05 08:24:02,220 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-05 08:24:02,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-05 08:24:02,221 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-05 08:24:02,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-05 08:24:02,598 INFO L238 CfgBuilder]: Building ICFG [2024-11-05 08:24:02,602 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-05 08:24:10,297 INFO L? ?]: Removed 161 outVars from TransFormulas that were not future-live. [2024-11-05 08:24:10,297 INFO L287 CfgBuilder]: Performing block encoding [2024-11-05 08:24:10,318 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-05 08:24:10,319 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-05 08:24:10,319 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:24:10 BoogieIcfgContainer [2024-11-05 08:24:10,319 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-05 08:24:10,323 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-05 08:24:10,323 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-05 08:24:10,327 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-05 08:24:10,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:23:59" (1/3) ... [2024-11-05 08:24:10,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4a736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:24:10, skipping insertion in model container [2024-11-05 08:24:10,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:24:01" (2/3) ... [2024-11-05 08:24:10,328 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a4a736 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:24:10, skipping insertion in model container [2024-11-05 08:24:10,328 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:24:10" (3/3) ... [2024-11-05 08:24:10,329 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_top_harness_negated.i [2024-11-05 08:24:10,345 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-05 08:24:10,346 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-05 08:24:10,423 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-05 08:24:10,429 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;@684f79e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-05 08:24:10,430 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-05 08:24:10,436 INFO L276 IsEmpty]: Start isEmpty. Operand has 208 states, 132 states have (on average 1.2196969696969697) internal successors, (161), 132 states have internal predecessors, (161), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-05 08:24:10,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-05 08:24:10,456 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 08:24:10,457 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 08:24:10,458 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 08:24:10,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 08:24:10,464 INFO L85 PathProgramCache]: Analyzing trace with hash 1920431684, now seen corresponding path program 1 times [2024-11-05 08:24:10,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 08:24:10,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1345830066] [2024-11-05 08:24:10,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 08:24:10,475 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 08:24:10,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 08:24:10,479 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 08:24:10,481 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 08:24:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 08:24:18,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 2805 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-05 08:24:18,798 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 08:24:18,837 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-05 08:24:18,838 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 08:24:23,822 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-05 08:24:23,823 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 08:24:23,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1345830066] [2024-11-05 08:24:23,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1345830066] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 08:24:23,824 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 08:24:23,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-05 08:24:23,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802395613] [2024-11-05 08:24:23,826 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 08:24:23,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-05 08:24:23,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 08:24:23,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-05 08:24:23,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-05 08:24:23,860 INFO L87 Difference]: Start difference. First operand has 208 states, 132 states have (on average 1.2196969696969697) internal successors, (161), 132 states have internal predecessors, (161), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 08:24:23,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 08:24:23,907 INFO L93 Difference]: Finished difference Result 393 states and 552 transitions. [2024-11-05 08:24:23,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-05 08:24:23,910 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 148 [2024-11-05 08:24:23,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 08:24:23,919 INFO L225 Difference]: With dead ends: 393 [2024-11-05 08:24:23,919 INFO L226 Difference]: Without dead ends: 203 [2024-11-05 08:24:23,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 294 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 08:24:23,928 INFO L432 NwaCegarLoop]: 270 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, 270 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 08:24:23,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-05 08:24:23,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-05 08:24:23,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-05 08:24:23,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 127 states have (on average 1.1968503937007875) internal successors, (152), 128 states have internal predecessors, (152), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-05 08:24:23,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 265 transitions. [2024-11-05 08:24:23,978 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 265 transitions. Word has length 148 [2024-11-05 08:24:23,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 08:24:23,979 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 265 transitions. [2024-11-05 08:24:23,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.5) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-11-05 08:24:23,980 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 265 transitions. [2024-11-05 08:24:23,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-05 08:24:23,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 08:24:23,984 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 08:24:24,050 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 08:24:24,184 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 08:24:24,185 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 08:24:24,185 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 08:24:24,186 INFO L85 PathProgramCache]: Analyzing trace with hash 146647490, now seen corresponding path program 1 times [2024-11-05 08:24:24,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 08:24:24,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [836736964] [2024-11-05 08:24:24,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 08:24:24,186 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 08:24:24,186 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 08:24:24,188 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 08:24:24,190 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 08:24:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 08:24:31,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 2805 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-05 08:24:31,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 08:24:34,616 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-05 08:24:34,617 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 08:24:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-05 08:24:42,600 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 08:24:42,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [836736964] [2024-11-05 08:24:42,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [836736964] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-05 08:24:42,600 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-05 08:24:42,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2024-11-05 08:24:42,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331403802] [2024-11-05 08:24:42,601 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-05 08:24:42,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-05 08:24:42,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 08:24:42,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-05 08:24:42,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 08:24:42,604 INFO L87 Difference]: Start difference. First operand 203 states and 265 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-05 08:24:46,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 08:24:46,501 INFO L93 Difference]: Finished difference Result 357 states and 466 transitions. [2024-11-05 08:24:46,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-05 08:24:46,503 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 148 [2024-11-05 08:24:46,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 08:24:46,506 INFO L225 Difference]: With dead ends: 357 [2024-11-05 08:24:46,506 INFO L226 Difference]: Without dead ends: 203 [2024-11-05 08:24:46,508 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-05 08:24:46,508 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 19 mSDsluCounter, 942 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 1193 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2024-11-05 08:24:46,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 1193 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2024-11-05 08:24:46,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-05 08:24:46,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-05 08:24:46,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 127 states have (on average 1.188976377952756) internal successors, (151), 128 states have internal predecessors, (151), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-05 08:24:46,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 264 transitions. [2024-11-05 08:24:46,529 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 264 transitions. Word has length 148 [2024-11-05 08:24:46,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 08:24:46,530 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 264 transitions. [2024-11-05 08:24:46,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 3 states have call successors, (34), 2 states have call predecessors, (34), 3 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2024-11-05 08:24:46,531 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 264 transitions. [2024-11-05 08:24:46,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-05 08:24:46,533 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 08:24:46,533 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 08:24:46,615 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 (3)] Ended with exit code 0 [2024-11-05 08:24:46,734 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 08:24:46,735 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 08:24:46,736 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 08:24:46,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1305118524, now seen corresponding path program 1 times [2024-11-05 08:24:46,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 08:24:46,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [521527220] [2024-11-05 08:24:46,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 08:24:46,737 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 08:24:46,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 08:24:46,746 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 08:24:46,748 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 08:24:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 08:24:54,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 2835 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 08:24:54,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 08:24:57,980 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-05 08:24:57,981 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-05 08:25:07,942 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-05 08:25:07,943 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-05 08:25:07,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [521527220] [2024-11-05 08:25:07,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [521527220] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-05 08:25:07,943 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-05 08:25:07,943 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-11-05 08:25:07,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962211648] [2024-11-05 08:25:07,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-05 08:25:07,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-05 08:25:07,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-05 08:25:07,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-05 08:25:07,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-05 08:25:07,945 INFO L87 Difference]: Start difference. First operand 203 states and 264 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-05 08:25:15,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-05 08:25:15,707 INFO L93 Difference]: Finished difference Result 376 states and 498 transitions. [2024-11-05 08:25:15,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-05 08:25:15,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 156 [2024-11-05 08:25:15,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-05 08:25:15,712 INFO L225 Difference]: With dead ends: 376 [2024-11-05 08:25:15,712 INFO L226 Difference]: Without dead ends: 205 [2024-11-05 08:25:15,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-05 08:25:15,714 INFO L432 NwaCegarLoop]: 239 mSDtfsCounter, 46 mSDsluCounter, 1116 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 1355 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-05 08:25:15,714 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 1355 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-11-05 08:25:15,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-05 08:25:15,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-05 08:25:15,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 128 states have (on average 1.1875) internal successors, (152), 130 states have internal predecessors, (152), 57 states have call successors, (57), 18 states have call predecessors, (57), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-11-05 08:25:15,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 271 transitions. [2024-11-05 08:25:15,736 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 271 transitions. Word has length 156 [2024-11-05 08:25:15,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-05 08:25:15,736 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 271 transitions. [2024-11-05 08:25:15,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-05 08:25:15,737 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 271 transitions. [2024-11-05 08:25:15,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-05 08:25:15,739 INFO L207 NwaCegarLoop]: Found error trace [2024-11-05 08:25:15,739 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-05 08:25:15,806 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 (4)] Forceful destruction successful, exit code 0 [2024-11-05 08:25:15,940 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 08:25:15,940 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-05 08:25:15,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-05 08:25:15,941 INFO L85 PathProgramCache]: Analyzing trace with hash -1346001346, now seen corresponding path program 1 times [2024-11-05 08:25:15,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-05 08:25:15,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867592997] [2024-11-05 08:25:15,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-05 08:25:15,942 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 08:25:15,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-05 08:25:15,945 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 08:25:15,946 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 08:25:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-05 08:25:23,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 2935 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-05 08:25:23,297 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-05 08:25:26,683 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-05 08:25:26,684 INFO L311 TraceCheckSpWp]: Computing backward predicates...