/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver 'cvc4 --incremental --print-success --lang smt' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_capacity_harness.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:49:41,751 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:49:41,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-04 20:49:41,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:49:41,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:49:41,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:49:41,832 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:49:41,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:49:41,834 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:49:41,836 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:49:41,836 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:49:41,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:49:41,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:49:41,837 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:49:41,837 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:49:41,837 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:49:41,837 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:49:41,838 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:49:41,838 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:49:41,838 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:49:41,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:49:41,844 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:49:41,844 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:49:41,844 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:49:41,844 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:49:41,844 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:49:41,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:49:41,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:49:41,845 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:49:41,845 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:49:41,845 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:49:41,845 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:49:41,845 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:49:41,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:49:41,846 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:49:41,846 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:49:41,846 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:49:41,846 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:49:41,846 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:49:41,846 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:49:41,846 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:49:41,847 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:49:42,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:49:42,042 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:49:42,044 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:49:42,044 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:49:42,045 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:49:42,045 INFO L431 ainManager$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 20:49:43,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:49:43,548 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:49:43,549 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_capacity_harness.i [2024-11-04 20:49:43,577 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986fe0fba/c2d87e99b031427faa4bc2420561a38e/FLAG6fb82e0b5 [2024-11-04 20:49:43,792 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986fe0fba/c2d87e99b031427faa4bc2420561a38e [2024-11-04 20:49:43,794 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:49:43,795 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:49:43,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:49:43,796 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:49:43,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:49:43,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:49:43" (1/1) ... [2024-11-04 20:49:43,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c214c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:43, skipping insertion in model container [2024-11-04 20:49:43,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:49:43" (1/1) ... [2024-11-04 20:49:43,863 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:49:44,058 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 20:49:44,065 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 20:49:44,455 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,564 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,565 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,565 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,571 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:44,572 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:44,573 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:44,574 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,574 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:44,574 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:44,576 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,576 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,582 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,582 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,590 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:44,591 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,591 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:44,591 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,594 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:44,595 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,595 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:44,596 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,804 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,804 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,805 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,805 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,882 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,891 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,900 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:44,901 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,901 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:44,928 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,929 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:44,930 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:49:44,953 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:49:44,982 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:49:44,984 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 20:49:44,985 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 20:49:44,996 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,020 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,020 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,021 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,023 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,024 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,024 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,024 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,025 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,025 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,025 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,026 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,026 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,027 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,027 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,030 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,030 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,030 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,031 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,031 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,031 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,031 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,058 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,059 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,061 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,084 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,096 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,102 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,102 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,102 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,127 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,127 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-04 20:49:45,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:49:45,144 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:49:45,157 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 20:49:45,157 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 20:49:45,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,195 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,196 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,200 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,200 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,200 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,201 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,266 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:49:45,272 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-04 20:49:45,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:49:45,462 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:49:45,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45 WrapperNode [2024-11-04 20:49:45,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:49:45,464 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:49:45,464 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:49:45,464 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:49:45,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45" (1/1) ... [2024-11-04 20:49:45,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45" (1/1) ... [2024-11-04 20:49:45,585 INFO L138 Inliner]: procedures = 698, calls = 1548, calls flagged for inlining = 54, calls inlined = 10, statements flattened = 697 [2024-11-04 20:49:45,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:49:45,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:49:45,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:49:45,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:49:45,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45" (1/1) ... [2024-11-04 20:49:45,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45" (1/1) ... [2024-11-04 20:49:45,601 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45" (1/1) ... [2024-11-04 20:49:45,652 INFO L175 MemorySlicer]: Split 338 memory accesses to 6 slices as follows [238, 7, 2, 3, 6, 82]. 70 percent of accesses are in the largest equivalence class. The 24 initializations are split as follows [6, 5, 2, 1, 0, 10]. The 252 writes are split as follows [232, 0, 0, 1, 2, 17]. [2024-11-04 20:49:45,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45" (1/1) ... [2024-11-04 20:49:45,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45" (1/1) ... [2024-11-04 20:49:45,689 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45" (1/1) ... [2024-11-04 20:49:45,697 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45" (1/1) ... [2024-11-04 20:49:45,710 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45" (1/1) ... [2024-11-04 20:49:45,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45" (1/1) ... [2024-11-04 20:49:45,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:49:45,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:49:45,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:49:45,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:49:45,738 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45" (1/1) ... [2024-11-04 20:49:45,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:49:45,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:49:45,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-04 20:49:45,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-04 20:49:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-04 20:49:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-04 20:49:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:49:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-04 20:49:45,782 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-04 20:49:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-04 20:49:45,783 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-04 20:49:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:49:45,783 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:49:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:49:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:49:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:49:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:49:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 20:49:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-04 20:49:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 20:49:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 20:49:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 20:49:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 20:49:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 20:49:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-04 20:49:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 20:49:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 20:49:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#5 [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 20:49:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:49:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-04 20:49:45,785 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-04 20:49:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:49:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:49:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:49:45,786 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:49:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 20:49:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 20:49:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 20:49:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 20:49:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 20:49:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-04 20:49:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-04 20:49:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-04 20:49:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 20:49:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 20:49:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 20:49:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 20:49:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 20:49:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#5 [2024-11-04 20:49:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-04 20:49:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-04 20:49:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 20:49:45,787 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 20:49:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 20:49:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 20:49:45,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 20:49:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 20:49:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 20:49:45,789 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-04 20:49:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:49:45,790 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#5 [2024-11-04 20:49:45,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 20:49:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 20:49:45,791 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 20:49:45,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 20:49:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 20:49:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#5 [2024-11-04 20:49:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#0 [2024-11-04 20:49:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#1 [2024-11-04 20:49:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#2 [2024-11-04 20:49:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#3 [2024-11-04 20:49:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#4 [2024-11-04 20:49:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE8#5 [2024-11-04 20:49:45,792 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-04 20:49:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-04 20:49:45,793 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-04 20:49:45,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-04 20:49:46,090 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:49:46,092 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:49:53,546 INFO L? ?]: Removed 145 outVars from TransFormulas that were not future-live. [2024-11-04 20:49:53,546 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:49:53,557 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:49:53,557 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-04 20:49:53,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:49:53 BoogieIcfgContainer [2024-11-04 20:49:53,557 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:49:53,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:49:53,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:49:53,561 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:49:53,561 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:49:43" (1/3) ... [2024-11-04 20:49:53,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e5a7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:49:53, skipping insertion in model container [2024-11-04 20:49:53,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:49:45" (2/3) ... [2024-11-04 20:49:53,562 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9e5a7d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:49:53, skipping insertion in model container [2024-11-04 20:49:53,562 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:49:53" (3/3) ... [2024-11-04 20:49:53,563 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_capacity_harness.i [2024-11-04 20:49:53,574 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:49:53,574 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:49:53,628 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:49:53,632 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;@3ee10180, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:49:53,632 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:49:53,637 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 20:49:53,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-04 20:49:53,653 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:49:53,654 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 20:49:53,655 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:49:53,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:49:53,659 INFO L85 PathProgramCache]: Analyzing trace with hash 268890338, now seen corresponding path program 1 times [2024-11-04 20:49:53,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:49:53,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1661650821] [2024-11-04 20:49:53,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:49:53,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:49:53,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:49:53,670 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:49:53,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-04 20:49:59,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:49:59,637 INFO L255 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:49:59,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:49:59,675 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-11-04 20:49:59,675 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:50:04,307 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 20:50:04,307 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:50:04,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1661650821] [2024-11-04 20:50:04,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1661650821] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:50:04,309 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:50:04,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:50:04,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739556633] [2024-11-04 20:50:04,311 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:50:04,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:50:04,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:50:04,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:50:04,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:50:04,335 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 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-04 20:50:04,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:50:04,371 INFO L93 Difference]: Finished difference Result 349 states and 475 transitions. [2024-11-04 20:50:04,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:50:04,373 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 140 [2024-11-04 20:50:04,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:50:04,379 INFO L225 Difference]: With dead ends: 349 [2024-11-04 20:50:04,379 INFO L226 Difference]: Without dead ends: 181 [2024-11-04 20:50:04,382 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 20:50:04,384 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 20:50:04,384 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 20:50:04,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-04 20:50:04,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-04 20:50:04,412 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 20:50:04,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 231 transitions. [2024-11-04 20:50:04,416 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 231 transitions. Word has length 140 [2024-11-04 20:50:04,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:50:04,417 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 231 transitions. [2024-11-04 20:50:04,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-04 20:50:04,417 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 231 transitions. [2024-11-04 20:50:04,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-04 20:50:04,419 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:50:04,420 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 20:50:04,430 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-04 20:50:04,621 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:50:04,622 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:50:04,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:50:04,623 INFO L85 PathProgramCache]: Analyzing trace with hash 1622220256, now seen corresponding path program 1 times [2024-11-04 20:50:04,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:50:04,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1512135663] [2024-11-04 20:50:04,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:50:04,623 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:50:04,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:50:04,625 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:50:04,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-04 20:50:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:50:10,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 2760 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 20:50:10,145 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:50:13,514 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 20:50:13,515 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:50:22,244 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 20:50:22,245 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:50:22,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1512135663] [2024-11-04 20:50:22,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1512135663] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:50:22,245 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:50:22,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 6 [2024-11-04 20:50:22,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017814443] [2024-11-04 20:50:22,246 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:50:22,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 20:50:22,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:50:22,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 20:50:22,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:50:22,248 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 20:50:24,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:50:24,500 INFO L93 Difference]: Finished difference Result 308 states and 393 transitions. [2024-11-04 20:50:24,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 20:50:24,502 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 20:50:24,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:50:24,504 INFO L225 Difference]: With dead ends: 308 [2024-11-04 20:50:24,504 INFO L226 Difference]: Without dead ends: 181 [2024-11-04 20:50:24,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 278 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-04 20:50:24,506 INFO L432 NwaCegarLoop]: 216 mSDtfsCounter, 13 mSDsluCounter, 392 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s 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, 2.2s IncrementalHoareTripleChecker+Time [2024-11-04 20:50:24,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 608 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-04 20:50:24,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-04 20:50:24,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2024-11-04 20:50:24,515 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 20:50:24,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 230 transitions. [2024-11-04 20:50:24,517 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 230 transitions. Word has length 140 [2024-11-04 20:50:24,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:50:24,517 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 230 transitions. [2024-11-04 20:50:24,517 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 20:50:24,518 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 230 transitions. [2024-11-04 20:50:24,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-04 20:50:24,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:50:24,519 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 20:50:24,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-04 20:50:24,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:50:24,720 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:50:24,721 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:50:24,721 INFO L85 PathProgramCache]: Analyzing trace with hash -376428894, now seen corresponding path program 1 times [2024-11-04 20:50:24,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:50:24,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665928076] [2024-11-04 20:50:24,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:50:24,721 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:50:24,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:50:24,723 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:50:24,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-04 20:50:30,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:50:30,150 INFO L255 TraceCheckSpWp]: Trace formula consists of 2790 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 20:50:30,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:50:35,286 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 20:50:35,286 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:50:48,734 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 20:50:48,735 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:50:48,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665928076] [2024-11-04 20:50:48,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [665928076] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 20:50:48,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 20:50:48,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2024-11-04 20:50:48,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490309608] [2024-11-04 20:50:48,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 20:50:48,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-04 20:50:48,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:50:48,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-04 20:50:48,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-04 20:50:48,737 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 20:50:58,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:50:58,475 INFO L93 Difference]: Finished difference Result 327 states and 422 transitions. [2024-11-04 20:50:58,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-04 20:50:58,477 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 20:50:58,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:50:58,480 INFO L225 Difference]: With dead ends: 327 [2024-11-04 20:50:58,480 INFO L226 Difference]: Without dead ends: 183 [2024-11-04 20:50:58,481 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-04 20:50:58,482 INFO L432 NwaCegarLoop]: 224 mSDtfsCounter, 39 mSDsluCounter, 1043 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1267 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2024-11-04 20:50:58,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1267 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2024-11-04 20:50:58,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-04 20:50:58,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2024-11-04 20:50:58,499 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 20:50:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 234 transitions. [2024-11-04 20:50:58,501 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 234 transitions. Word has length 148 [2024-11-04 20:50:58,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:50:58,501 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 234 transitions. [2024-11-04 20:50:58,502 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 20:50:58,502 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 234 transitions. [2024-11-04 20:50:58,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2024-11-04 20:50:58,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:50:58,504 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 20:50:58,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-04 20:50:58,704 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:50:58,704 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:50:58,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:50:58,705 INFO L85 PathProgramCache]: Analyzing trace with hash -156186688, now seen corresponding path program 1 times [2024-11-04 20:50:58,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:50:58,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039593598] [2024-11-04 20:50:58,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:50:58,706 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:50:58,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:50:58,708 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:50:58,709 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-04 20:51:04,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:51:04,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 2890 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 20:51:04,354 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:51:09,445 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 20:51:09,445 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:51:23,165 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-04 20:51:23,165 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:51:23,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039593598] [2024-11-04 20:51:23,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1039593598] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:51:23,165 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:51:23,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 8 [2024-11-04 20:51:23,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [456279642] [2024-11-04 20:51:23,166 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:51:23,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-04 20:51:23,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:51:23,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-04 20:51:23,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-04 20:51:23,167 INFO L87 Difference]: Start difference. First operand 183 states and 234 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 8 states have internal predecessors, (75), 5 states have call successors, (35), 2 states have call predecessors, (35), 3 states have return successors, (34), 5 states have call predecessors, (34), 5 states have call successors, (34)