./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ef2e817da006dafbe2f0422952bede0c690cddbbb39ea2d021756ba99f8c2002 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:21:10,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:21:10,863 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:21:10,875 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:21:10,877 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:21:10,901 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:21:10,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:21:10,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:21:10,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:21:10,905 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:21:10,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:21:10,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:21:10,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:21:10,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:21:10,908 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:21:10,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:21:10,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:21:10,908 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:21:10,909 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:21:10,909 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:21:10,909 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:21:10,912 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:21:10,912 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:21:10,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:21:10,913 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:21:10,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:21:10,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:21:10,913 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:21:10,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:21:10,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:21:10,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:21:10,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:21:10,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:21:10,915 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:21:10,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:21:10,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:21:10,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:21:10,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:21:10,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:21:10,916 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ef2e817da006dafbe2f0422952bede0c690cddbbb39ea2d021756ba99f8c2002 [2024-11-19 02:21:11,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:21:11,186 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:21:11,189 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:21:11,191 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:21:11,192 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:21:11,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2024-11-19 02:21:12,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:21:13,098 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:21:13,098 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i [2024-11-19 02:21:13,139 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f751f9a9d/b0e0ba69a1cf49acb74a2cd9d865c46e/FLAG227b6ec33 [2024-11-19 02:21:13,330 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f751f9a9d/b0e0ba69a1cf49acb74a2cd9d865c46e [2024-11-19 02:21:13,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:21:13,334 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:21:13,335 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:21:13,335 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:21:13,341 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:21:13,342 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:21:13" (1/1) ... [2024-11-19 02:21:13,343 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ce2f1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:13, skipping insertion in model container [2024-11-19 02:21:13,343 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:21:13" (1/1) ... [2024-11-19 02:21:13,478 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:21:13,748 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2024-11-19 02:21:13,757 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2024-11-19 02:21:14,332 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,335 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,337 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,337 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,339 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,357 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,358 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,360 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,362 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,364 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,364 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,365 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,365 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,741 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,745 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,806 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,806 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,807 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,807 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,813 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,814 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,815 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,816 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,820 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,820 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,820 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,821 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,828 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,829 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,838 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,838 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,840 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:21:14,894 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:21:14,910 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4497,4510] [2024-11-19 02:21:14,911 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_push_harness.i[4557,4570] [2024-11-19 02:21:14,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,948 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,950 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,950 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,954 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,956 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,957 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,960 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:14,961 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,060 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,068 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7771-7782] [2024-11-19 02:21:15,081 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,083 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,083 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,083 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,083 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,084 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,084 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,085 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,085 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,085 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,086 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,086 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,086 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,087 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,088 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,089 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,090 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,095 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,095 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,096 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:21:15,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:21:15,245 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:21:15,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15 WrapperNode [2024-11-19 02:21:15,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:21:15,247 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:21:15,247 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:21:15,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:21:15,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,427 INFO L138 Inliner]: procedures = 686, calls = 1891, calls flagged for inlining = 59, calls inlined = 19, statements flattened = 1195 [2024-11-19 02:21:15,428 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:21:15,428 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:21:15,428 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:21:15,429 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:21:15,443 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,464 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,556 INFO L175 MemorySlicer]: Split 385 memory accesses to 6 slices as follows [2, 238, 9, 7, 105, 24]. 62 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [2, 6, 1, 2, 0, 5]. The 268 writes are split as follows [0, 232, 1, 1, 26, 8]. [2024-11-19 02:21:15,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:21:15,617 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:21:15,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:21:15,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:21:15,618 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (1/1) ... [2024-11-19 02:21:15,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:21:15,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:15,653 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) [2024-11-19 02:21:15,660 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 [2024-11-19 02:21:15,699 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-19 02:21:15,699 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-19 02:21:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_init_dynamic [2024-11-19 02:21:15,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_init_dynamic [2024-11-19 02:21:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-19 02:21:15,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-19 02:21:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:21:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-19 02:21:15,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-19 02:21:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-19 02:21:15,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-19 02:21:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:21:15,700 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:21:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_allocator_is_valid [2024-11-19 02:21:15,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_allocator_is_valid [2024-11-19 02:21:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-19 02:21:15,700 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-19 02:21:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:21:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:21:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:21:15,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:21:15,701 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:21:15,701 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:21:15,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:21:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:21:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-19 02:21:15,702 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-19 02:21:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-19 02:21:15,702 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-19 02:21:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:21:15,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:21:15,702 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:21:15,702 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:21:15,703 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:21:15,703 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:21:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-19 02:21:15,704 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-19 02:21:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:21:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:21:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:21:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:21:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:21:15,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:21:15,705 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-19 02:21:15,705 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-19 02:21:15,705 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-19 02:21:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-19 02:21:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_release [2024-11-19 02:21:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_release [2024-11-19 02:21:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-19 02:21:15,706 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-19 02:21:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#0 [2024-11-19 02:21:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#1 [2024-11-19 02:21:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#2 [2024-11-19 02:21:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#3 [2024-11-19 02:21:15,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#4 [2024-11-19 02:21:15,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset#5 [2024-11-19 02:21:15,707 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#0 [2024-11-19 02:21:15,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#1 [2024-11-19 02:21:15,708 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#2 [2024-11-19 02:21:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#3 [2024-11-19 02:21:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#4 [2024-11-19 02:21:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset#5 [2024-11-19 02:21:15,709 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:21:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:21:15,709 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-19 02:21:15,709 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-19 02:21:15,709 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_pop_back [2024-11-19 02:21:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_pop_back [2024-11-19 02:21:15,710 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mem_acquire [2024-11-19 02:21:15,710 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mem_acquire [2024-11-19 02:21:15,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:21:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_plus [2024-11-19 02:21:15,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_plus [2024-11-19 02:21:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:21:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:21:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:21:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:21:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:21:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:21:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:21:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:21:15,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:21:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:21:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:21:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:21:15,712 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-19 02:21:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-19 02:21:15,713 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:21:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:21:15,713 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-19 02:21:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-19 02:21:15,713 INFO L130 BoogieDeclarations]: Found specification of procedure aws_add_size_checked [2024-11-19 02:21:15,713 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_add_size_checked [2024-11-19 02:21:15,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:21:15,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:21:15,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:21:15,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:21:15,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:21:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:21:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-19 02:21:15,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-19 02:21:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_set_at [2024-11-19 02:21:15,714 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_set_at [2024-11-19 02:21:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-19 02:21:15,714 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-19 02:21:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 02:21:15,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-19 02:21:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:21:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:21:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:21:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:21:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:21:15,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:21:16,012 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:21:16,014 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:21:22,601 INFO L? ?]: Removed 322 outVars from TransFormulas that were not future-live. [2024-11-19 02:21:22,601 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:21:22,636 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:21:22,636 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-19 02:21:22,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:21:22 BoogieIcfgContainer [2024-11-19 02:21:22,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:21:22,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:21:22,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:21:22,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:21:22,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:21:13" (1/3) ... [2024-11-19 02:21:22,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a7b24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:21:22, skipping insertion in model container [2024-11-19 02:21:22,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:21:15" (2/3) ... [2024-11-19 02:21:22,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@24a7b24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:21:22, skipping insertion in model container [2024-11-19 02:21:22,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:21:22" (3/3) ... [2024-11-19 02:21:22,651 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_push_harness.i [2024-11-19 02:21:22,667 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:21:22,667 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 02:21:22,796 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:21:22,806 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;@7cb5cb05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:21:22,806 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 02:21:22,816 INFO L276 IsEmpty]: Start isEmpty. Operand has 557 states, 319 states have (on average 1.2413793103448276) internal successors, (396), 322 states have internal predecessors, (396), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) [2024-11-19 02:21:22,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-19 02:21:22,836 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:22,837 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:21:22,838 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:22,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:22,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1237448734, now seen corresponding path program 1 times [2024-11-19 02:21:22,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:22,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090749570] [2024-11-19 02:21:22,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:22,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:28,531 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-19 02:21:28,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:21:28,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090749570] [2024-11-19 02:21:28,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090749570] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:21:28,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774388693] [2024-11-19 02:21:28,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:28,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:21:28,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:28,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:21:28,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 02:21:34,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:34,686 INFO L255 TraceCheckSpWp]: Trace formula consists of 4658 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 02:21:34,697 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:21:34,717 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 372 trivial. 0 not checked. [2024-11-19 02:21:34,717 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:21:34,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774388693] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:21:34,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:21:34,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 02:21:34,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081517426] [2024-11-19 02:21:34,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:21:34,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 02:21:34,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:21:34,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 02:21:34,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:21:34,743 INFO L87 Difference]: Start difference. First operand has 557 states, 319 states have (on average 1.2413793103448276) internal successors, (396), 322 states have internal predecessors, (396), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (202), 202 states have call predecessors, (202), 202 states have call successors, (202) Second operand has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 02:21:34,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:21:34,821 INFO L93 Difference]: Finished difference Result 1086 states and 1703 transitions. [2024-11-19 02:21:34,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 02:21:34,825 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 197 [2024-11-19 02:21:34,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:21:34,840 INFO L225 Difference]: With dead ends: 1086 [2024-11-19 02:21:34,841 INFO L226 Difference]: Without dead ends: 550 [2024-11-19 02:21:34,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:21:34,852 INFO L432 NwaCegarLoop]: 790 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, 790 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 [2024-11-19 02:21:34,853 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 790 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 02:21:34,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 550 states. [2024-11-19 02:21:34,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 550 to 550. [2024-11-19 02:21:34,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 313 states have (on average 1.2236421725239617) internal successors, (383), 315 states have internal predecessors, (383), 202 states have call successors, (202), 34 states have call predecessors, (202), 33 states have return successors, (200), 200 states have call predecessors, (200), 200 states have call successors, (200) [2024-11-19 02:21:34,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 785 transitions. [2024-11-19 02:21:34,948 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 785 transitions. Word has length 197 [2024-11-19 02:21:34,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:21:34,950 INFO L471 AbstractCegarLoop]: Abstraction has 550 states and 785 transitions. [2024-11-19 02:21:34,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.5) internal successors, (63), 2 states have internal predecessors, (63), 2 states have call successors, (33), 2 states have call predecessors, (33), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2024-11-19 02:21:34,951 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 785 transitions. [2024-11-19 02:21:34,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2024-11-19 02:21:34,959 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:34,959 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:21:34,996 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-19 02:21:35,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-19 02:21:35,161 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:35,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:35,161 INFO L85 PathProgramCache]: Analyzing trace with hash 1202125412, now seen corresponding path program 1 times [2024-11-19 02:21:35,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:35,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207180793] [2024-11-19 02:21:35,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:35,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:39,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2024-11-19 02:21:41,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:21:41,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207180793] [2024-11-19 02:21:41,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207180793] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:21:41,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1419733885] [2024-11-19 02:21:41,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:41,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:21:41,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:41,029 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:21:41,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 02:21:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:46,702 INFO L255 TraceCheckSpWp]: Trace formula consists of 4658 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 02:21:46,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:21:47,828 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-19 02:21:47,828 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:21:47,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1419733885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:21:47,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:21:47,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2024-11-19 02:21:47,829 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579075729] [2024-11-19 02:21:47,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:21:47,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 02:21:47,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:21:47,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 02:21:47,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-19 02:21:47,831 INFO L87 Difference]: Start difference. First operand 550 states and 785 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-19 02:21:51,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:21:51,719 INFO L93 Difference]: Finished difference Result 1054 states and 1518 transitions. [2024-11-19 02:21:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 02:21:51,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) Word has length 197 [2024-11-19 02:21:51,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:21:51,734 INFO L225 Difference]: With dead ends: 1054 [2024-11-19 02:21:51,734 INFO L226 Difference]: Without dead ends: 552 [2024-11-19 02:21:51,737 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-19 02:21:51,738 INFO L432 NwaCegarLoop]: 708 mSDtfsCounter, 795 mSDsluCounter, 2037 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 2745 SdHoareTripleChecker+Invalid, 372 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-11-19 02:21:51,738 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 2745 Invalid, 372 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [103 Valid, 269 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-11-19 02:21:51,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2024-11-19 02:21:51,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 552. [2024-11-19 02:21:51,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 552 states, 314 states have (on average 1.2229299363057324) internal successors, (384), 317 states have internal predecessors, (384), 202 states have call successors, (202), 34 states have call predecessors, (202), 34 states have return successors, (210), 200 states have call predecessors, (210), 200 states have call successors, (210) [2024-11-19 02:21:51,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 796 transitions. [2024-11-19 02:21:51,772 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 796 transitions. Word has length 197 [2024-11-19 02:21:51,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:21:51,773 INFO L471 AbstractCegarLoop]: Abstraction has 552 states and 796 transitions. [2024-11-19 02:21:51,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 3 states have call successors, (33), 2 states have call predecessors, (33), 3 states have return successors, (31), 3 states have call predecessors, (31), 3 states have call successors, (31) [2024-11-19 02:21:51,774 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 796 transitions. [2024-11-19 02:21:51,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2024-11-19 02:21:51,776 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:21:51,776 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:21:51,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 02:21:51,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-11-19 02:21:51,978 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:21:51,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:21:51,978 INFO L85 PathProgramCache]: Analyzing trace with hash 2146553172, now seen corresponding path program 1 times [2024-11-19 02:21:51,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:21:51,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530226414] [2024-11-19 02:21:51,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:51,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:21:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:21:58,426 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-11-19 02:21:58,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:21:58,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530226414] [2024-11-19 02:21:58,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [530226414] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:21:58,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515309929] [2024-11-19 02:21:58,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:21:58,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:21:58,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:21:58,432 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:21:58,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 02:22:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:03,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 4708 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 02:22:03,799 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:22:05,411 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-19 02:22:05,412 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:22:05,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515309929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:22:05,412 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:22:05,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 12 [2024-11-19 02:22:05,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047288240] [2024-11-19 02:22:05,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:22:05,413 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 02:22:05,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:22:05,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 02:22:05,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 02:22:05,414 INFO L87 Difference]: Start difference. First operand 552 states and 796 transitions. Second operand has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-19 02:22:10,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:22:10,297 INFO L93 Difference]: Finished difference Result 1077 states and 1598 transitions. [2024-11-19 02:22:10,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 02:22:10,298 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) Word has length 205 [2024-11-19 02:22:10,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:22:10,309 INFO L225 Difference]: With dead ends: 1077 [2024-11-19 02:22:10,309 INFO L226 Difference]: Without dead ends: 573 [2024-11-19 02:22:10,311 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2024-11-19 02:22:10,316 INFO L432 NwaCegarLoop]: 752 mSDtfsCounter, 88 mSDsluCounter, 3536 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 4288 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2024-11-19 02:22:10,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 4288 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2024-11-19 02:22:10,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2024-11-19 02:22:10,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 571. [2024-11-19 02:22:10,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 330 states have (on average 1.2303030303030302) internal successors, (406), 333 states have internal predecessors, (406), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2024-11-19 02:22:10,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 854 transitions. [2024-11-19 02:22:10,396 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 854 transitions. Word has length 205 [2024-11-19 02:22:10,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:22:10,396 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 854 transitions. [2024-11-19 02:22:10,397 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.428571428571429) internal successors, (73), 7 states have internal predecessors, (73), 4 states have call successors, (34), 2 states have call predecessors, (34), 4 states have return successors, (32), 4 states have call predecessors, (32), 4 states have call successors, (32) [2024-11-19 02:22:10,397 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 854 transitions. [2024-11-19 02:22:10,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2024-11-19 02:22:10,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:22:10,405 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:22:10,447 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 02:22:10,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:22:10,606 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:22:10,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:22:10,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1794014854, now seen corresponding path program 1 times [2024-11-19 02:22:10,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:22:10,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443602635] [2024-11-19 02:22:10,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:10,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:22:14,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:16,265 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2024-11-19 02:22:16,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:22:16,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443602635] [2024-11-19 02:22:16,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443602635] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:22:16,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829509619] [2024-11-19 02:22:16,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:16,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:22:16,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:22:16,273 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:22:16,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 02:22:21,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:21,898 INFO L255 TraceCheckSpWp]: Trace formula consists of 4835 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 02:22:21,907 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:22:23,374 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-19 02:22:23,374 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:22:23,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829509619] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:22:23,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:22:23,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-11-19 02:22:23,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448572712] [2024-11-19 02:22:23,374 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:22:23,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 02:22:23,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:22:23,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 02:22:23,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 02:22:23,376 INFO L87 Difference]: Start difference. First operand 571 states and 854 transitions. Second operand has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-19 02:22:28,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:22:28,531 INFO L93 Difference]: Finished difference Result 1100 states and 1669 transitions. [2024-11-19 02:22:28,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 02:22:28,531 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) Word has length 220 [2024-11-19 02:22:28,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:22:28,536 INFO L225 Difference]: With dead ends: 1100 [2024-11-19 02:22:28,536 INFO L226 Difference]: Without dead ends: 577 [2024-11-19 02:22:28,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2024-11-19 02:22:28,542 INFO L432 NwaCegarLoop]: 700 mSDtfsCounter, 811 mSDsluCounter, 2685 mSDsCounter, 0 mSdLazyCounter, 396 mSolverCounterSat, 107 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 815 SdHoareTripleChecker+Valid, 3385 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 107 IncrementalHoareTripleChecker+Valid, 396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-19 02:22:28,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [815 Valid, 3385 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [107 Valid, 396 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-19 02:22:28,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 577 states. [2024-11-19 02:22:28,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 577 to 571. [2024-11-19 02:22:28,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 330 states have (on average 1.2303030303030302) internal successors, (406), 333 states have internal predecessors, (406), 204 states have call successors, (204), 34 states have call predecessors, (204), 35 states have return successors, (244), 203 states have call predecessors, (244), 202 states have call successors, (244) [2024-11-19 02:22:28,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 854 transitions. [2024-11-19 02:22:28,576 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 854 transitions. Word has length 220 [2024-11-19 02:22:28,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:22:28,576 INFO L471 AbstractCegarLoop]: Abstraction has 571 states and 854 transitions. [2024-11-19 02:22:28,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.0) internal successors, (84), 7 states have internal predecessors, (84), 4 states have call successors, (36), 2 states have call predecessors, (36), 3 states have return successors, (34), 4 states have call predecessors, (34), 4 states have call successors, (34) [2024-11-19 02:22:28,577 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 854 transitions. [2024-11-19 02:22:28,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2024-11-19 02:22:28,581 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:22:28,581 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 6, 6, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:22:28,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 02:22:28,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:22:28,782 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:22:28,783 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:22:28,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1227301979, now seen corresponding path program 1 times [2024-11-19 02:22:28,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:22:28,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611792856] [2024-11-19 02:22:28,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:28,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:22:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:34,445 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2024-11-19 02:22:34,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:22:34,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611792856] [2024-11-19 02:22:34,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611792856] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:22:34,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [860314668] [2024-11-19 02:22:34,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:22:34,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:22:34,446 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:22:34,447 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 02:22:34,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 02:22:40,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:22:40,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 4907 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 02:22:40,296 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:22:42,294 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2024-11-19 02:22:42,295 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:22:42,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [860314668] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:22:42,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:22:42,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-19 02:22:42,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770390853] [2024-11-19 02:22:42,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:22:42,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 02:22:42,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:22:42,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 02:22:42,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-11-19 02:22:42,298 INFO L87 Difference]: Start difference. First operand 571 states and 854 transitions. Second operand has 8 states, 8 states have (on average 12.25) internal successors, (98), 8 states have internal predecessors, (98), 5 states have call successors, (37), 2 states have call predecessors, (37), 4 states have return successors, (35), 5 states have call predecessors, (35), 5 states have call successors, (35)