/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_init_dynamic_harness-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.5-dev-b75d321-m [2024-11-04 20:50:11,825 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-04 20:50:11,903 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 20:50:11,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-04 20:50:11,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-04 20:50:11,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-04 20:50:11,936 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-04 20:50:11,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-04 20:50:11,938 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-04 20:50:11,939 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-04 20:50:11,940 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-04 20:50:11,940 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-04 20:50:11,941 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-04 20:50:11,942 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-04 20:50:11,942 INFO L153 SettingsManager]: * Use SBE=true [2024-11-04 20:50:11,942 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-04 20:50:11,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-04 20:50:11,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-04 20:50:11,943 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-04 20:50:11,943 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-04 20:50:11,943 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-04 20:50:11,944 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-04 20:50:11,944 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-04 20:50:11,944 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-04 20:50:11,944 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-04 20:50:11,945 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-04 20:50:11,945 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-04 20:50:11,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-04 20:50:11,945 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-04 20:50:11,946 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-04 20:50:11,946 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-04 20:50:11,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:50:11,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-04 20:50:11,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-04 20:50:11,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-04 20:50:11,947 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-04 20:50:11,948 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-04 20:50:11,948 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-04 20:50:11,948 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-04 20:50:11,948 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-04 20:50:11,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-04 20:50:11,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> cvc4 --incremental --print-success --lang smt [2024-11-04 20:50:12,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-04 20:50:12,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-04 20:50:12,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-04 20:50:12,236 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-04 20:50:12,236 INFO L274 PluginConnector]: CDTParser initialized [2024-11-04 20:50:12,237 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2024-11-04 20:50:13,714 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-04 20:50:14,180 INFO L384 CDTParser]: Found 1 translation units. [2024-11-04 20:50:14,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_priority_queue_init_dynamic_harness-1.i [2024-11-04 20:50:14,216 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecc7848e/87354250c5364ed496bfeab16a58b80f/FLAG744919543 [2024-11-04 20:50:14,282 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ecc7848e/87354250c5364ed496bfeab16a58b80f [2024-11-04 20:50:14,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-04 20:50:14,286 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-04 20:50:14,289 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-04 20:50:14,289 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-04 20:50:14,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-04 20:50:14,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:50:14" (1/1) ... [2024-11-04 20:50:14,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f4ee83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:14, skipping insertion in model container [2024-11-04 20:50:14,295 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.11 08:50:14" (1/1) ... [2024-11-04 20:50:14,384 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:50:14,697 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_init_dynamic_harness-1.i[4505,4518] [2024-11-04 20:50:14,709 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_init_dynamic_harness-1.i[4565,4578] [2024-11-04 20:50:15,640 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 20:50:15,806 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 20:50:15,807 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 20:50:15,808 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 20:50:15,814 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 20:50:15,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:15,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:15,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:15,817 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 20:50:15,817 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:15,818 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:15,838 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 20:50:15,840 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 20:50:15,843 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 20:50:15,843 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 20:50:15,851 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:15,852 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 20:50:15,852 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:15,852 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 20:50:15,854 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:15,854 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 20:50:15,854 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:15,855 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 20:50:16,231 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 20:50:16,232 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 20:50:16,233 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 20:50:16,233 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 20:50:16,342 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 20:50:16,358 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 20:50:16,375 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,376 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 20:50:16,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,459 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:50:16,516 INFO L197 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2024-11-04 20:50:16,547 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-04 20:50:16,554 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_init_dynamic_harness-1.i[4505,4518] [2024-11-04 20:50:16,555 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_init_dynamic_harness-1.i[4565,4578] [2024-11-04 20:50:16,582 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 20:50:16,617 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 20:50:16,617 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 20:50:16,617 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 20:50:16,620 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 20:50:16,621 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,622 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,622 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,623 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 20:50:16,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,623 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,625 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 20:50:16,625 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 20:50:16,626 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 20:50:16,627 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 20:50:16,630 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,631 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 20:50:16,631 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,631 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 20:50:16,632 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,632 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 20:50:16,633 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,633 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 20:50:16,670 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 20:50:16,670 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 20:50:16,675 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 20:50:16,676 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 20:50:16,710 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 20:50:16,723 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 20:50:16,730 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,731 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 20:50:16,731 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:50:16,791 INFO L200 MainTranslator]: Completed pre-run [2024-11-04 20:50:16,808 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_init_dynamic_harness-1.i[4505,4518] [2024-11-04 20:50:16,809 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_init_dynamic_harness-1.i[4565,4578] [2024-11-04 20:50:16,872 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,872 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,873 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,880 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,880 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,882 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,882 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,953 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-04 20:50:16,962 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-04 20:50:16,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-04 20:50:17,235 INFO L204 MainTranslator]: Completed translation [2024-11-04 20:50:17,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17 WrapperNode [2024-11-04 20:50:17,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-04 20:50:17,239 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-04 20:50:17,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-04 20:50:17,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-04 20:50:17,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17" (1/1) ... [2024-11-04 20:50:17,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17" (1/1) ... [2024-11-04 20:50:17,406 INFO L138 Inliner]: procedures = 698, calls = 1512, calls flagged for inlining = 52, calls inlined = 9, statements flattened = 733 [2024-11-04 20:50:17,407 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-04 20:50:17,408 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-04 20:50:17,408 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-04 20:50:17,408 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-04 20:50:17,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17" (1/1) ... [2024-11-04 20:50:17,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17" (1/1) ... [2024-11-04 20:50:17,438 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17" (1/1) ... [2024-11-04 20:50:17,549 INFO L175 MemorySlicer]: Split 287 memory accesses to 5 slices as follows [2, 5, 238, 7, 35]. 83 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 5, 6, 1, 0]. The 239 writes are split as follows [0, 0, 232, 1, 6]. [2024-11-04 20:50:17,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17" (1/1) ... [2024-11-04 20:50:17,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17" (1/1) ... [2024-11-04 20:50:17,601 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17" (1/1) ... [2024-11-04 20:50:17,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17" (1/1) ... [2024-11-04 20:50:17,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17" (1/1) ... [2024-11-04 20:50:17,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17" (1/1) ... [2024-11-04 20:50:17,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-04 20:50:17,642 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-04 20:50:17,643 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-04 20:50:17,643 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-04 20:50:17,643 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17" (1/1) ... [2024-11-04 20:50:17,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-04 20:50:17,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-04 20:50:17,691 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 20:50:17,694 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 20:50:17,722 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-04 20:50:17,723 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-04 20:50:17,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-04 20:50:17,723 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-04 20:50:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-04 20:50:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-04 20:50:17,724 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-04 20:50:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-04 20:50:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-04 20:50:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-04 20:50:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-04 20:50:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-04 20:50:17,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-04 20:50:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-04 20:50:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-04 20:50:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-04 20:50:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-04 20:50:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#0 [2024-11-04 20:50:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#1 [2024-11-04 20:50:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#2 [2024-11-04 20:50:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#3 [2024-11-04 20:50:17,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE8#4 [2024-11-04 20:50:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-04 20:50:17,726 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-04 20:50:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-04 20:50:17,726 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-04 20:50:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-04 20:50:17,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-04 20:50:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-04 20:50:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-04 20:50:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-04 20:50:17,726 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-04 20:50:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-04 20:50:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-04 20:50:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-04 20:50:17,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-04 20:50:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-04 20:50:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-04 20:50:17,729 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-04 20:50:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-04 20:50:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-04 20:50:17,729 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-04 20:50:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-04 20:50:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-04 20:50:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#0 [2024-11-04 20:50:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#1 [2024-11-04 20:50:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#2 [2024-11-04 20:50:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#3 [2024-11-04 20:50:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE8#4 [2024-11-04 20:50:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-04 20:50:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-04 20:50:17,730 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-04 20:50:17,730 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-04 20:50:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-04 20:50:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-04 20:50:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-04 20:50:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-04 20:50:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-04 20:50:17,731 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-04 20:50:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-04 20:50:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-04 20:50:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-04 20:50:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-04 20:50:17,732 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-04 20:50:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-04 20:50:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-04 20:50:17,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-04 20:50:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-04 20:50:17,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-04 20:50:17,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-04 20:50:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#0 [2024-11-04 20:50:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#1 [2024-11-04 20:50:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#2 [2024-11-04 20:50:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#3 [2024-11-04 20:50:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE8#4 [2024-11-04 20:50:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-04 20:50:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-04 20:50:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-04 20:50:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-04 20:50:17,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-04 20:50:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-04 20:50:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-04 20:50:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-04 20:50:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-04 20:50:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-04 20:50:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-04 20:50:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-04 20:50:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-04 20:50:17,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-04 20:50:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#0 [2024-11-04 20:50:17,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#1 [2024-11-04 20:50:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#2 [2024-11-04 20:50:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#3 [2024-11-04 20:50:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4#4 [2024-11-04 20:50:17,737 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-04 20:50:17,737 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-04 20:50:17,738 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-04 20:50:17,738 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-04 20:50:18,166 INFO L238 CfgBuilder]: Building ICFG [2024-11-04 20:50:18,169 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-04 20:50:26,663 INFO L? ?]: Removed 146 outVars from TransFormulas that were not future-live. [2024-11-04 20:50:26,663 INFO L287 CfgBuilder]: Performing block encoding [2024-11-04 20:50:26,690 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-04 20:50:26,690 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-04 20:50:26,694 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:50:26 BoogieIcfgContainer [2024-11-04 20:50:26,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-04 20:50:26,697 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-04 20:50:26,697 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-04 20:50:26,701 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-04 20:50:26,701 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.11 08:50:14" (1/3) ... [2024-11-04 20:50:26,702 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c8f349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:50:26, skipping insertion in model container [2024-11-04 20:50:26,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.11 08:50:17" (2/3) ... [2024-11-04 20:50:26,703 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12c8f349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.11 08:50:26, skipping insertion in model container [2024-11-04 20:50:26,703 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.11 08:50:26" (3/3) ... [2024-11-04 20:50:26,705 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_dynamic_harness-1.i [2024-11-04 20:50:26,725 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-04 20:50:26,725 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-04 20:50:26,829 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-04 20:50:26,838 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;@9bf770, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-04 20:50:26,839 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-04 20:50:26,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 204 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 132 states have internal predecessors, (166), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-04 20:50:26,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-04 20:50:26,864 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:50:26,866 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 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] [2024-11-04 20:50:26,867 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:50:26,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:50:26,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1079394742, now seen corresponding path program 1 times [2024-11-04 20:50:26,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:50:26,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1120088523] [2024-11-04 20:50:26,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:50:26,924 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:50:26,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:50:26,928 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 20:50:26,929 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 20:50:33,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:50:33,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 2432 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-04 20:50:33,998 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:50:34,033 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-04 20:50:34,033 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:50:37,585 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-11-04 20:50:37,586 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:50:37,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1120088523] [2024-11-04 20:50:37,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1120088523] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:50:37,587 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:50:37,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2024-11-04 20:50:37,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579203920] [2024-11-04 20:50:37,589 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:50:37,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-04 20:50:37,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:50:37,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-04 20:50:37,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-04 20:50:37,623 INFO L87 Difference]: Start difference. First operand has 204 states, 132 states have (on average 1.2575757575757576) internal successors, (166), 132 states have internal predecessors, (166), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-04 20:50:37,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:50:37,682 INFO L93 Difference]: Finished difference Result 399 states and 583 transitions. [2024-11-04 20:50:37,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-04 20:50:37,685 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) Word has length 110 [2024-11-04 20:50:37,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:50:37,698 INFO L225 Difference]: With dead ends: 399 [2024-11-04 20:50:37,698 INFO L226 Difference]: Without dead ends: 197 [2024-11-04 20:50:37,706 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 218 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 20:50:37,711 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 270 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-04 20:50:37,712 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-04 20:50:37,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2024-11-04 20:50:37,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2024-11-04 20:50:37,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 124 states have (on average 1.2258064516129032) internal successors, (152), 126 states have internal predecessors, (152), 56 states have call successors, (56), 16 states have call predecessors, (56), 16 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-04 20:50:37,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 262 transitions. [2024-11-04 20:50:37,799 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 262 transitions. Word has length 110 [2024-11-04 20:50:37,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:50:37,804 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 262 transitions. [2024-11-04 20:50:37,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (18), 2 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-04 20:50:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 262 transitions. [2024-11-04 20:50:37,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-04 20:50:37,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:50:37,813 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 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] [2024-11-04 20:50:37,828 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-04 20:50:38,014 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 20:50:38,015 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:50:38,015 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:50:38,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1166699883, now seen corresponding path program 1 times [2024-11-04 20:50:38,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:50:38,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370948598] [2024-11-04 20:50:38,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:50:38,016 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:50:38,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:50:38,018 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 20:50:38,019 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 20:50:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:50:44,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 2524 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-04 20:50:44,616 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:50:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-04 20:50:45,765 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:50:52,632 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-04 20:50:52,632 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:50:52,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370948598] [2024-11-04 20:50:52,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [1370948598] provided 2 perfect and 0 imperfect interpolant sequences [2024-11-04 20:50:52,633 INFO L185 FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences. [2024-11-04 20:50:52,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 5 [2024-11-04 20:50:52,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759177802] [2024-11-04 20:50:52,633 INFO L85 oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton [2024-11-04 20:50:52,635 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-04 20:50:52,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:50:52,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-04 20:50:52,636 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-04 20:50:52,637 INFO L87 Difference]: Start difference. First operand 197 states and 262 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-04 20:50:53,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:50:53,302 INFO L93 Difference]: Finished difference Result 300 states and 402 transitions. [2024-11-04 20:50:53,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-04 20:50:53,309 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) Word has length 144 [2024-11-04 20:50:53,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:50:53,315 INFO L225 Difference]: With dead ends: 300 [2024-11-04 20:50:53,315 INFO L226 Difference]: Without dead ends: 201 [2024-11-04 20:50:53,316 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 283 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-04 20:50:53,317 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 0 mSDsluCounter, 774 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-04 20:50:53,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1034 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-04 20:50:53,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-04 20:50:53,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2024-11-04 20:50:53,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 127 states have (on average 1.220472440944882) internal successors, (155), 129 states have internal predecessors, (155), 56 states have call successors, (56), 16 states have call predecessors, (56), 17 states have return successors, (57), 55 states have call predecessors, (57), 54 states have call successors, (57) [2024-11-04 20:50:53,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 268 transitions. [2024-11-04 20:50:53,341 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 268 transitions. Word has length 144 [2024-11-04 20:50:53,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:50:53,342 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 268 transitions. [2024-11-04 20:50:53,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (24), 2 states have call predecessors, (24), 3 states have return successors, (23), 3 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-04 20:50:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 268 transitions. [2024-11-04 20:50:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-04 20:50:53,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:50:53,345 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 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] [2024-11-04 20:50:53,363 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 20:50:53,546 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 20:50:53,546 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:50:53,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:50:53,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1252352050, now seen corresponding path program 1 times [2024-11-04 20:50:53,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:50:53,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2109834637] [2024-11-04 20:50:53,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:50:53,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:50:53,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:50:53,550 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 20:50:53,551 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 20:51:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:51:00,198 INFO L255 TraceCheckSpWp]: Trace formula consists of 2557 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-04 20:51:00,204 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:51:02,240 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-04 20:51:02,241 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:51:12,685 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-04 20:51:12,686 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:51:12,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2109834637] [2024-11-04 20:51:12,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [2109834637] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 20:51:12,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 20:51:12,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 9 [2024-11-04 20:51:12,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314553217] [2024-11-04 20:51:12,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 20:51:12,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-04 20:51:12,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:51:12,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-04 20:51:12,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-04 20:51:12,688 INFO L87 Difference]: Start difference. First operand 201 states and 268 transitions. Second operand has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-04 20:51:14,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:51:14,973 INFO L93 Difference]: Finished difference Result 388 states and 510 transitions. [2024-11-04 20:51:14,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-04 20:51:14,974 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 145 [2024-11-04 20:51:14,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:51:14,977 INFO L225 Difference]: With dead ends: 388 [2024-11-04 20:51:14,977 INFO L226 Difference]: Without dead ends: 201 [2024-11-04 20:51:14,978 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 289 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-04 20:51:14,979 INFO L432 NwaCegarLoop]: 255 mSDtfsCounter, 7 mSDsluCounter, 1005 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1260 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-04 20:51:14,980 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1260 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-04 20:51:14,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2024-11-04 20:51:15,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2024-11-04 20:51:15,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 127 states have (on average 1.2125984251968505) internal successors, (154), 129 states have internal predecessors, (154), 56 states have call successors, (56), 16 states have call predecessors, (56), 17 states have return successors, (57), 55 states have call predecessors, (57), 54 states have call successors, (57) [2024-11-04 20:51:15,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 267 transitions. [2024-11-04 20:51:15,008 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 267 transitions. Word has length 145 [2024-11-04 20:51:15,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:51:15,010 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 267 transitions. [2024-11-04 20:51:15,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.4) internal successors, (62), 6 states have internal predecessors, (62), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-04 20:51:15,010 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 267 transitions. [2024-11-04 20:51:15,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-04 20:51:15,014 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:51:15,015 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 2, 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] [2024-11-04 20:51:15,036 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 20:51:15,215 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 20:51:15,216 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:51:15,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:51:15,217 INFO L85 PathProgramCache]: Analyzing trace with hash 1291193502, now seen corresponding path program 1 times [2024-11-04 20:51:15,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:51:15,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [997827009] [2024-11-04 20:51:15,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:51:15,217 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:51:15,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:51:15,220 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 20:51:15,221 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 20:51:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:51:22,178 INFO L255 TraceCheckSpWp]: Trace formula consists of 2567 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-04 20:51:22,187 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-04 20:51:25,448 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 139 trivial. 0 not checked. [2024-11-04 20:51:25,448 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-04 20:51:36,465 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-11-04 20:51:36,466 INFO L136 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace [2024-11-04 20:51:36,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [997827009] [2024-11-04 20:51:36,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModulePreferences [997827009] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-04 20:51:36,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-04 20:51:36,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 11 [2024-11-04 20:51:36,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137737531] [2024-11-04 20:51:36,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-04 20:51:36,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-04 20:51:36,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2024-11-04 20:51:36,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-04 20:51:36,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-04 20:51:36,469 INFO L87 Difference]: Start difference. First operand 201 states and 267 transitions. Second operand has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-04 20:51:39,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-04 20:51:39,210 INFO L93 Difference]: Finished difference Result 391 states and 512 transitions. [2024-11-04 20:51:39,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-04 20:51:39,211 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 149 [2024-11-04 20:51:39,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-04 20:51:39,214 INFO L225 Difference]: With dead ends: 391 [2024-11-04 20:51:39,215 INFO L226 Difference]: Without dead ends: 203 [2024-11-04 20:51:39,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 287 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-04 20:51:39,217 INFO L432 NwaCegarLoop]: 254 mSDtfsCounter, 9 mSDsluCounter, 1002 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 1256 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-04 20:51:39,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 1256 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-04 20:51:39,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-04 20:51:39,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 202. [2024-11-04 20:51:39,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 202 states, 128 states have (on average 1.2109375) internal successors, (155), 130 states have internal predecessors, (155), 56 states have call successors, (56), 16 states have call predecessors, (56), 17 states have return successors, (57), 55 states have call predecessors, (57), 54 states have call successors, (57) [2024-11-04 20:51:39,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 268 transitions. [2024-11-04 20:51:39,233 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 268 transitions. Word has length 149 [2024-11-04 20:51:39,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-04 20:51:39,233 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 268 transitions. [2024-11-04 20:51:39,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 11.0) internal successors, (66), 7 states have internal predecessors, (66), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-11-04 20:51:39,234 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 268 transitions. [2024-11-04 20:51:39,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-11-04 20:51:39,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-04 20:51:39,237 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 2, 2, 2, 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] [2024-11-04 20:51:39,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-04 20:51:39,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt [2024-11-04 20:51:39,438 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-04 20:51:39,438 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-04 20:51:39,439 INFO L85 PathProgramCache]: Analyzing trace with hash -26055974, now seen corresponding path program 1 times [2024-11-04 20:51:39,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2024-11-04 20:51:39,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52974891] [2024-11-04 20:51:39,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-04 20:51:39,439 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-04 20:51:39,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 [2024-11-04 20:51:39,440 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-04 20:51:39,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-04 20:51:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-04 20:51:49,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 2589 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-04 20:51:49,850 INFO L278 TraceCheckSpWp]: Computing forward predicates...