/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 'z3 -smt2 -in SMTLIB2_COMPLIANT=true' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_capacity_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 15:10:40,891 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 15:10:40,970 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 15:10:40,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 15:10:40,976 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 15:10:41,006 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 15:10:41,007 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 15:10:41,007 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 15:10:41,008 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 15:10:41,011 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 15:10:41,011 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 15:10:41,012 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 15:10:41,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 15:10:41,012 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 15:10:41,013 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 15:10:41,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 15:10:41,013 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 15:10:41,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 15:10:41,013 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 15:10:41,014 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 15:10:41,014 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 15:10:41,015 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 15:10:41,016 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 15:10:41,016 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 15:10:41,016 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 15:10:41,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 15:10:41,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 15:10:41,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 15:10:41,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 15:10:41,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 15:10:41,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 15:10:41,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 15:10:41,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 15:10:41,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 15:10:41,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 15:10:41,018 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 15:10:41,018 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 15:10:41,019 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 15:10:41,019 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 15:10:41,020 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 15:10:41,020 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 15:10:41,021 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:10:41,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 15:10:41,278 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 15:10:41,281 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 15:10:41,282 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 15:10:41,283 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 15:10:41,284 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_capacity_harness.i [2024-11-04 15:10:42,669 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 15:10:43,116 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 15:10:43,117 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_capacity_harness.i [2024-11-04 15:10:43,158 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/472b23c7e/66c982e971574917baffd102ea385153/FLAG9f1faeb1b [2024-11-04 15:10:43,243 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/472b23c7e/66c982e971574917baffd102ea385153 [2024-11-04 15:10:43,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 15:10:43,246 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 15:10:43,247 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 15:10:43,247 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 15:10:43,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 15:10:43,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 03:10:43" (1/1) ... [2024-11-04 15:10:43,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e50f3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:43, skipping insertion in model container [2024-11-04 15:10:43,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 03:10:43" (1/1) ... [2024-11-04 15:10:43,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 15:10:43,675 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_capacity_harness.i[4501,4514] [2024-11-04 15:10:43,684 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_capacity_harness.i[4561,4574] [2024-11-04 15:10:44,297 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,459 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,460 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,461 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,471 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,472 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:44,473 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:44,474 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:44,476 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,476 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:44,477 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:44,482 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,482 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,484 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,484 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,494 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:44,494 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,495 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:44,496 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,498 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:44,498 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,499 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:44,499 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,814 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,815 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,815 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,816 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,909 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,919 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,925 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:44,926 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,926 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:44,973 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,973 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:44,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 15:10:45,027 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 15:10:45,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 15:10:45,068 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_capacity_harness.i[4501,4514] [2024-11-04 15:10:45,069 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_capacity_harness.i[4561,4574] [2024-11-04 15:10:45,091 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,117 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,118 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,118 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,121 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,122 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,123 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,123 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,123 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,124 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,124 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,129 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,130 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,131 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,131 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,138 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,143 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,143 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,143 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,144 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,144 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,145 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,145 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,198 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,198 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,199 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,199 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,216 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,223 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,226 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,227 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,227 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,252 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,253 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 15:10:45,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 15:10:45,270 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 15:10:45,284 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_capacity_harness.i[4501,4514] [2024-11-04 15:10:45,284 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_capacity_harness.i[4561,4574] [2024-11-04 15:10:45,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,345 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,345 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,346 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,346 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,353 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,353 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,356 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,446 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,446 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 15:10:45,451 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-04 15:10:45,474 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 15:10:45,623 INFO L204 MainTranslator]: Completed translation [2024-11-04 15:10:45,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45 WrapperNode [2024-11-04 15:10:45,624 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 15:10:45,625 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 15:10:45,625 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 15:10:45,625 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 15:10:45,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45" (1/1) ... [2024-11-04 15:10:45,704 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45" (1/1) ... [2024-11-04 15:10:45,781 INFO L138 Inliner]: procedures = 698, calls = 1548, calls flagged for inlining = 54, calls inlined = 10, statements flattened = 697 [2024-11-04 15:10:45,781 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 15:10:45,782 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 15:10:45,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 15:10:45,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 15:10:45,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45" (1/1) ... [2024-11-04 15:10:45,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45" (1/1) ... [2024-11-04 15:10:45,811 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45" (1/1) ... [2024-11-04 15:10:45,905 INFO L175 MemorySlicer]: Split 338 memory accesses to 6 slices as follows [7, 238, 2, 3, 6, 82]. 70 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [5, 6, 2, 1, 0, 10]. The 252 writes are split as follows [0, 232, 0, 1, 2, 17]. [2024-11-04 15:10:45,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45" (1/1) ... [2024-11-04 15:10:45,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45" (1/1) ... [2024-11-04 15:10:45,959 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45" (1/1) ... [2024-11-04 15:10:45,965 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45" (1/1) ... [2024-11-04 15:10:46,041 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45" (1/1) ... [2024-11-04 15:10:46,054 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45" (1/1) ... [2024-11-04 15:10:46,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 15:10:46,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 15:10:46,075 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 15:10:46,075 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 15:10:46,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45" (1/1) ... [2024-11-04 15:10:46,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 15:10:46,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:10:46,107 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-04 15:10:46,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-04 15:10:46,134 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-04 15:10:46,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-04 15:10:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 15:10:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-04 15:10:46,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-04 15:10:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-04 15:10:46,135 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-04 15:10:46,135 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 15:10:46,136 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 15:10:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 15:10:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 15:10:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 15:10:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 15:10:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 15:10:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 15:10:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 15:10:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 15:10:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 15:10:46,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 15:10:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 15:10:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-04 15:10:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 15:10:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 15:10:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 15:10:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 15:10:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 15:10:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-04 15:10:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 15:10:46,137 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 15:10:46,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 15:10:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 15:10:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 15:10:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 15:10:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-04 15:10:46,138 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-04 15:10:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 15:10:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 15:10:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 15:10:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 15:10:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 15:10:46,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 15:10:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 15:10:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 15:10:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 15:10:46,139 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 15:10:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 15:10:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 15:10:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 15:10:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 15:10:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 15:10:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 15:10:46,139 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-04 15:10:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-04 15:10:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 15:10:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 15:10:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 15:10:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 15:10:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 15:10:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 15:10:46,140 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-04 15:10:46,140 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-04 15:10:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 15:10:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 15:10:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 15:10:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 15:10:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 15:10:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 15:10:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 15:10:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 15:10:46,141 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-04 15:10:46,141 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-04 15:10:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 15:10:46,142 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 15:10:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 15:10:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 15:10:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 15:10:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 15:10:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 15:10:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 15:10:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 15:10:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 15:10:46,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 15:10:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 15:10:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 15:10:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 15:10:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 15:10:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 15:10:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 15:10:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 15:10:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 15:10:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 15:10:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 15:10:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 15:10:46,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 15:10:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 15:10:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 15:10:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 15:10:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 15:10:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 15:10:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 15:10:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 15:10:46,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 15:10:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 15:10:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 15:10:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 15:10:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 15:10:46,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 15:10:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 15:10:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-04 15:10:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-04 15:10:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-04 15:10:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-04 15:10:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-04 15:10:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-04 15:10:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-04 15:10:46,145 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-04 15:10:46,145 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-04 15:10:46,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-04 15:10:46,482 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 15:10:46,484 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 15:10:54,492 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-11-04 15:10:54,493 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 15:10:54,513 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 15:10:54,513 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-04 15:10:54,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 03:10:54 BoogieIcfgContainer [2024-11-04 15:10:54,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 15:10:54,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 15:10:54,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 15:10:54,521 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 15:10:54,521 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 03:10:43" (1/3) ... [2024-11-04 15:10:54,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3409448b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 03:10:54, skipping insertion in model container [2024-11-04 15:10:54,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 03:10:45" (2/3) ... [2024-11-04 15:10:54,522 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3409448b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 03:10:54, skipping insertion in model container [2024-11-04 15:10:54,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 03:10:54" (3/3) ... [2024-11-04 15:10:54,523 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_capacity_harness.i [2024-11-04 15:10:54,539 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 15:10:54,539 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 15:10:54,613 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 15:10:54,621 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;@76a887c0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 15:10:54,621 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 15:10:54,626 INFO L276 IsEmpty]: Start isEmpty. Operand has 186 states, 120 states have (on average 1.2083333333333333) internal successors, (145), 121 states have internal predecessors, (145), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-04 15:10:54,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-04 15:10:54,639 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 15:10:54,640 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] [2024-11-04 15:10:54,640 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 15:10:54,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 15:10:54,645 INFO L85 PathProgramCache]: Analyzing trace with hash 268890338, now seen corresponding path program 1 times [2024-11-04 15:10:54,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 15:10:54,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273841921] [2024-11-04 15:10:54,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 15:10:54,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:10:54,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:10:54,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 15:10:54,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-04 15:11:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 15:11:02,100 INFO L255 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 15:11:02,109 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 15:11:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-04 15:11:02,159 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 15:11:06,356 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-04 15:11:06,357 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 15:11:06,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273841921] [2024-11-04 15:11:06,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [273841921] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 15:11:06,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 15:11:06,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-04 15:11:06,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405125729] [2024-11-04 15:11:06,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 15:11:06,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 15:11:06,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 15:11:06,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 15:11:06,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 15:11:06,390 INFO L87 Difference]: Start difference. First operand has 186 states, 120 states have (on average 1.2083333333333333) internal successors, (145), 121 states have internal predecessors, (145), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-04 15:11:06,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 15:11:06,451 INFO L93 Difference]: Finished difference Result 349 states and 475 transitions. [2024-11-04 15:11:06,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 15:11:06,456 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 140 [2024-11-04 15:11:06,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 15:11:06,464 INFO L225 Difference]: With dead ends: 349 [2024-11-04 15:11:06,464 INFO L226 Difference]: Without dead ends: 181 [2024-11-04 15:11:06,469 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 278 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 15:11:06,471 INFO L432 NwaCegarLoop]: 236 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, 236 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-04 15:11:06,472 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 15:11:06,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-04 15:11:06,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-04 15:11:06,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 116 states have (on average 1.1896551724137931) internal successors, (138), 117 states have internal predecessors, (138), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-04 15:11:06,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 231 transitions. [2024-11-04 15:11:06,522 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 231 transitions. Word has length 140 [2024-11-04 15:11:06,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 15:11:06,523 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 231 transitions. [2024-11-04 15:11:06,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-04 15:11:06,524 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2024-11-04 15:11:06,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-04 15:11:06,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 15:11:06,527 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] [2024-11-04 15:11:06,586 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-04 15:11:06,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:11:06,728 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 15:11:06,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 15:11:06,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1622220256, now seen corresponding path program 1 times [2024-11-04 15:11:06,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 15:11:06,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [887915361] [2024-11-04 15:11:06,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 15:11:06,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:11:06,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:11:06,731 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 15:11:06,732 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-04 15:11:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 15:11:13,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 15:11:13,456 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 15:11:16,397 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-04 15:11:16,397 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 15:11:24,175 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-04 15:11:24,175 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 15:11:24,175 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [887915361] [2024-11-04 15:11:24,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [887915361] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 15:11:24,176 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 15:11:24,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2024-11-04 15:11:24,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777320430] [2024-11-04 15:11:24,176 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 15:11:24,177 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 15:11:24,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 15:11:24,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 15:11:24,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 15:11:24,179 INFO L87 Difference]: Start difference. First operand 181 states and 231 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-04 15:11:26,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 15:11:26,333 INFO L93 Difference]: Finished difference Result 308 states and 393 transitions. [2024-11-04 15:11:26,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 15:11:26,336 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) Word has length 140 [2024-11-04 15:11:26,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 15:11:26,339 INFO L225 Difference]: With dead ends: 308 [2024-11-04 15:11:26,339 INFO L226 Difference]: Without dead ends: 181 [2024-11-04 15:11:26,340 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 15:11:26,341 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 13 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-11-04 15:11:26,341 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 608 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-11-04 15:11:26,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-04 15:11:26,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-04 15:11:26,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 116 states have (on average 1.1810344827586208) internal successors, (137), 117 states have internal predecessors, (137), 47 states have call successors, (47), 17 states have call predecessors, (47), 17 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-04 15:11:26,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 230 transitions. [2024-11-04 15:11:26,365 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 230 transitions. Word has length 140 [2024-11-04 15:11:26,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 15:11:26,365 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 230 transitions. [2024-11-04 15:11:26,366 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 6 states have internal predecessors, (58), 3 states have call successors, (31), 2 states have call predecessors, (31), 3 states have return successors, (30), 3 states have call predecessors, (30), 3 states have call successors, (30) [2024-11-04 15:11:26,366 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 230 transitions. [2024-11-04 15:11:26,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-04 15:11:26,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 15:11:26,368 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] [2024-11-04 15:11:26,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-04 15:11:26,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:11:26,569 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 15:11:26,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 15:11:26,570 INFO L85 PathProgramCache]: Analyzing trace with hash -376428894, now seen corresponding path program 1 times [2024-11-04 15:11:26,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 15:11:26,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212758906] [2024-11-04 15:11:26,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 15:11:26,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:11:26,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:11:26,572 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 15:11:26,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-04 15:11:32,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 15:11:32,938 INFO L255 TraceCheckSpWp]: Trace formula consists of 2790 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 15:11:32,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 15:11:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-04 15:11:37,859 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 15:11:50,722 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-04 15:11:50,722 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 15:11:50,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212758906] [2024-11-04 15:11:50,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [212758906] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 15:11:50,723 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 15:11:50,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 10 [2024-11-04 15:11:50,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485932961] [2024-11-04 15:11:50,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 15:11:50,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-04 15:11:50,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 15:11:50,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-04 15:11:50,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-04 15:11:50,725 INFO L87 Difference]: Start difference. First operand 181 states and 230 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-04 15:11:59,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 15:11:59,357 INFO L93 Difference]: Finished difference Result 327 states and 422 transitions. [2024-11-04 15:11:59,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-04 15:11:59,362 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) Word has length 148 [2024-11-04 15:11:59,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 15:11:59,365 INFO L225 Difference]: With dead ends: 327 [2024-11-04 15:11:59,366 INFO L226 Difference]: Without dead ends: 183 [2024-11-04 15:11:59,367 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-04 15:11:59,367 INFO L432 NwaCegarLoop]: 207 mSDtfsCounter, 39 mSDsluCounter, 974 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1181 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2024-11-04 15:11:59,368 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1181 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2024-11-04 15:11:59,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-04 15:11:59,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-04 15:11:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 117 states have (on average 1.1794871794871795) internal successors, (138), 119 states have internal predecessors, (138), 47 states have call successors, (47), 17 states have call predecessors, (47), 18 states have return successors, (49), 46 states have call predecessors, (49), 46 states have call successors, (49) [2024-11-04 15:11:59,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 234 transitions. [2024-11-04 15:11:59,393 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 234 transitions. Word has length 148 [2024-11-04 15:11:59,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 15:11:59,394 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 234 transitions. [2024-11-04 15:11:59,394 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 7 states have internal predecessors, (56), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (23), 4 states have call predecessors, (23), 4 states have call successors, (23) [2024-11-04 15:11:59,394 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2024-11-04 15:11:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-04 15:11:59,396 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 15:11:59,397 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] [2024-11-04 15:11:59,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-04 15:11:59,597 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:11:59,598 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 15:11:59,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 15:11:59,599 INFO L85 PathProgramCache]: Analyzing trace with hash -156186688, now seen corresponding path program 1 times [2024-11-04 15:11:59,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 15:11:59,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1190569067] [2024-11-04 15:11:59,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 15:11:59,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-04 15:11:59,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 15:11:59,600 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-04 15:11:59,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-04 15:12:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 15:12:06,176 INFO L255 TraceCheckSpWp]: Trace formula consists of 2890 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 15:12:06,183 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 15:12:10,569 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-04 15:12:10,569 INFO L311 TraceCheckSpWp]: Computing backward predicates...