./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.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_top_harness_negated.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 cddb8be3317e9d6bf2e67633b62d21b872e62a4205c204f682a628045c0c7f11 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 02:24:02,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 02:24:02,500 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-19 02:24:02,514 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 02:24:02,514 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 02:24:02,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 02:24:02,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 02:24:02,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 02:24:02,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 02:24:02,551 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 02:24:02,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 02:24:02,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 02:24:02,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 02:24:02,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 02:24:02,553 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 02:24:02,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 02:24:02,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 02:24:02,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 02:24:02,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 02:24:02,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 02:24:02,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 02:24:02,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 02:24:02,557 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 02:24:02,557 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 02:24:02,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 02:24:02,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 02:24:02,558 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 02:24:02,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 02:24:02,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 02:24:02,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:24:02,559 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 02:24:02,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 02:24:02,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 02:24:02,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 02:24:02,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 02:24:02,561 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 02:24:02,561 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 02:24:02,562 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 02:24:02,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 02:24:02,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cddb8be3317e9d6bf2e67633b62d21b872e62a4205c204f682a628045c0c7f11 [2024-11-19 02:24:02,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 02:24:02,844 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 02:24:02,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 02:24:02,851 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 02:24:02,851 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 02:24:02,853 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.i [2024-11-19 02:24:04,367 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 02:24:04,864 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 02:24:04,865 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.i [2024-11-19 02:24:04,908 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c812e2e5/0148ef9922fc43e29ca3f84c1b1cea15/FLAGa3d8b41fa [2024-11-19 02:24:04,948 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c812e2e5/0148ef9922fc43e29ca3f84c1b1cea15 [2024-11-19 02:24:04,950 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 02:24:04,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 02:24:04,954 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 02:24:04,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 02:24:04,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 02:24:04,961 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:04" (1/1) ... [2024-11-19 02:24:04,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411ec631 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:04, skipping insertion in model container [2024-11-19 02:24:04,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:24:04" (1/1) ... [2024-11-19 02:24:05,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 02:24:05,408 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_top_harness_negated.i[4496,4509] [2024-11-19 02:24:05,417 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_top_harness_negated.i[4556,4569] [2024-11-19 02:24:06,287 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:06,288 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:06,288 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:06,289 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:06,290 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:06,306 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:06,307 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:06,308 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:06,309 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:06,810 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:06,811 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:06,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:24:06,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 02:24:06,940 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_top_harness_negated.i[4496,4509] [2024-11-19 02:24:06,945 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_top_harness_negated.i[4556,4569] [2024-11-19 02:24:07,084 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:07,085 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:07,085 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:07,086 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:07,087 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:07,092 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:07,093 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:07,094 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:07,094 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:07,156 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:07,157 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-19 02:24:07,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-11-19 02:24:07,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 02:24:07,350 INFO L204 MainTranslator]: Completed translation [2024-11-19 02:24:07,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07 WrapperNode [2024-11-19 02:24:07,352 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 02:24:07,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 02:24:07,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 02:24:07,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 02:24:07,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07" (1/1) ... [2024-11-19 02:24:07,435 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07" (1/1) ... [2024-11-19 02:24:07,514 INFO L138 Inliner]: procedures = 678, calls = 1548, calls flagged for inlining = 54, calls inlined = 10, statements flattened = 727 [2024-11-19 02:24:07,515 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 02:24:07,516 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 02:24:07,516 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 02:24:07,516 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 02:24:07,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07" (1/1) ... [2024-11-19 02:24:07,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07" (1/1) ... [2024-11-19 02:24:07,546 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07" (1/1) ... [2024-11-19 02:24:07,633 INFO L175 MemorySlicer]: Split 340 memory accesses to 7 slices as follows [238, 2, 3, 6, 2, 82, 7]. 70 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [6, 2, 1, 0, 1, 10, 5]. The 253 writes are split as follows [232, 0, 1, 2, 1, 17, 0]. [2024-11-19 02:24:07,637 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07" (1/1) ... [2024-11-19 02:24:07,638 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07" (1/1) ... [2024-11-19 02:24:07,684 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07" (1/1) ... [2024-11-19 02:24:07,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07" (1/1) ... [2024-11-19 02:24:07,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07" (1/1) ... [2024-11-19 02:24:07,706 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07" (1/1) ... [2024-11-19 02:24:07,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 02:24:07,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 02:24:07,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 02:24:07,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 02:24:07,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07" (1/1) ... [2024-11-19 02:24:07,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 02:24:07,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:24:07,769 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 02:24:07,772 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 02:24:07,823 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-19 02:24:07,824 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-19 02:24:07,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 02:24:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-19 02:24:07,825 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-19 02:24:07,825 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-19 02:24:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-19 02:24:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-19 02:24:07,827 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-19 02:24:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-19 02:24:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-19 02:24:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-19 02:24:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-19 02:24:07,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-19 02:24:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-19 02:24:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-19 02:24:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 02:24:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 02:24:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-19 02:24:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-19 02:24:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-19 02:24:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-19 02:24:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-19 02:24:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-19 02:24:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-19 02:24:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 02:24:07,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 02:24:07,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-19 02:24:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 02:24:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-19 02:24:07,829 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-19 02:24:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-19 02:24:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-19 02:24:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-19 02:24:07,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-19 02:24:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-19 02:24:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-19 02:24:07,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-19 02:24:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 02:24:07,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 02:24:07,831 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-19 02:24:07,832 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-19 02:24:07,832 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-19 02:24:07,832 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-19 02:24:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-19 02:24:07,833 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-19 02:24:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-19 02:24:07,833 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-19 02:24:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-19 02:24:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-19 02:24:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-19 02:24:07,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-19 02:24:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-19 02:24:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-19 02:24:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-19 02:24:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-19 02:24:07,834 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-19 02:24:07,834 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-19 02:24:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-19 02:24:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-19 02:24:07,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-19 02:24:07,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 02:24:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-19 02:24:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-19 02:24:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-19 02:24:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-19 02:24:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-19 02:24:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-19 02:24:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-19 02:24:07,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-19 02:24:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-19 02:24:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-19 02:24:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-19 02:24:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-19 02:24:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-19 02:24:07,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-19 02:24:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-19 02:24:07,838 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-19 02:24:07,838 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-19 02:24:07,838 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-19 02:24:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 02:24:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 02:24:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-19 02:24:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-19 02:24:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-19 02:24:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-19 02:24:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-19 02:24:07,839 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-19 02:24:07,840 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-19 02:24:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-19 02:24:07,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-19 02:24:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 02:24:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 02:24:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-19 02:24:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-19 02:24:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-19 02:24:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-19 02:24:07,840 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-19 02:24:08,298 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 02:24:08,302 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 02:24:14,190 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2024-11-19 02:24:14,190 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 02:24:14,210 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 02:24:14,211 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-19 02:24:14,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:24:14 BoogieIcfgContainer [2024-11-19 02:24:14,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 02:24:14,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 02:24:14,215 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 02:24:14,219 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 02:24:14,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:24:04" (1/3) ... [2024-11-19 02:24:14,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212c4c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:24:14, skipping insertion in model container [2024-11-19 02:24:14,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:24:07" (2/3) ... [2024-11-19 02:24:14,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212c4c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:24:14, skipping insertion in model container [2024-11-19 02:24:14,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:24:14" (3/3) ... [2024-11-19 02:24:14,223 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_top_harness_negated.i [2024-11-19 02:24:14,240 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 02:24:14,240 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-19 02:24:14,311 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 02:24:14,318 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;@1152bfb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 02:24:14,320 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-19 02:24:14,326 INFO L276 IsEmpty]: Start isEmpty. Operand has 208 states, 132 states have (on average 1.2196969696969697) internal successors, (161), 132 states have internal predecessors, (161), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2024-11-19 02:24:14,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-19 02:24:14,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:24:14,348 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:24:14,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:24:14,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:24:14,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1327475127, now seen corresponding path program 1 times [2024-11-19 02:24:14,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:24:14,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510040090] [2024-11-19 02:24:14,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:24:14,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:24:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:24:20,886 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-19 02:24:20,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:24:20,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510040090] [2024-11-19 02:24:20,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1510040090] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:24:20,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144646415] [2024-11-19 02:24:20,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:24:20,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:24:20,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:24:20,895 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 02:24:20,896 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 02:24:27,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:24:27,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 4575 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-19 02:24:27,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:24:27,230 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2024-11-19 02:24:27,230 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:24:27,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144646415] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:24:27,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:24:27,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-19 02:24:27,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49975542] [2024-11-19 02:24:27,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:24:27,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-19 02:24:27,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:24:27,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-19 02:24:27,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-19 02:24:27,277 INFO L87 Difference]: Start difference. First operand has 208 states, 132 states have (on average 1.2196969696969697) internal successors, (161), 132 states have internal predecessors, (161), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 02:24:27,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:24:27,324 INFO L93 Difference]: Finished difference Result 393 states and 552 transitions. [2024-11-19 02:24:27,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-19 02:24:27,327 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 148 [2024-11-19 02:24:27,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:24:27,341 INFO L225 Difference]: With dead ends: 393 [2024-11-19 02:24:27,342 INFO L226 Difference]: Without dead ends: 203 [2024-11-19 02:24:27,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 02:24:27,353 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 [2024-11-19 02:24:27,354 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] [2024-11-19 02:24:27,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-19 02:24:27,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-19 02:24:27,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 127 states have (on average 1.1968503937007875) internal successors, (152), 128 states have internal predecessors, (152), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-19 02:24:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 265 transitions. [2024-11-19 02:24:27,416 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 265 transitions. Word has length 148 [2024-11-19 02:24:27,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:24:27,418 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 265 transitions. [2024-11-19 02:24:27,418 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-19 02:24:27,419 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 265 transitions. [2024-11-19 02:24:27,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2024-11-19 02:24:27,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:24:27,426 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:24:27,454 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 02:24:27,627 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 02:24:27,628 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:24:27,628 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:24:27,629 INFO L85 PathProgramCache]: Analyzing trace with hash -446309067, now seen corresponding path program 1 times [2024-11-19 02:24:27,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:24:27,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548135552] [2024-11-19 02:24:27,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:24:27,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:24:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:24:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-19 02:24:33,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:24:33,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548135552] [2024-11-19 02:24:33,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548135552] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:24:33,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:24:33,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 02:24:33,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025378792] [2024-11-19 02:24:33,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:24:33,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 02:24:33,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:24:33,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 02:24:33,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 02:24:33,922 INFO L87 Difference]: Start difference. First operand 203 states and 265 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-19 02:24:34,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:24:34,529 INFO L93 Difference]: Finished difference Result 357 states and 466 transitions. [2024-11-19 02:24:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 02:24:34,534 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) Word has length 148 [2024-11-19 02:24:34,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:24:34,538 INFO L225 Difference]: With dead ends: 357 [2024-11-19 02:24:34,538 INFO L226 Difference]: Without dead ends: 203 [2024-11-19 02:24:34,541 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 02:24:34,542 INFO L432 NwaCegarLoop]: 251 mSDtfsCounter, 19 mSDsluCounter, 695 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 946 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 02:24:34,543 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 946 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 02:24:34,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-19 02:24:34,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2024-11-19 02:24:34,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 127 states have (on average 1.188976377952756) internal successors, (151), 128 states have internal predecessors, (151), 57 states have call successors, (57), 18 states have call predecessors, (57), 18 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2024-11-19 02:24:34,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 264 transitions. [2024-11-19 02:24:34,563 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 264 transitions. Word has length 148 [2024-11-19 02:24:34,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:24:34,564 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 264 transitions. [2024-11-19 02:24:34,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 5 states have internal predecessors, (52), 3 states have call successors, (25), 2 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-19 02:24:34,565 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 264 transitions. [2024-11-19 02:24:34,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2024-11-19 02:24:34,567 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:24:34,568 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:24:34,568 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 02:24:34,568 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:24:34,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:24:34,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1083989423, now seen corresponding path program 1 times [2024-11-19 02:24:34,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:24:34,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472756826] [2024-11-19 02:24:34,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:24:34,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:24:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:24:40,861 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-19 02:24:40,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:24:40,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472756826] [2024-11-19 02:24:40,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472756826] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:24:40,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473879787] [2024-11-19 02:24:40,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:24:40,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:24:40,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:24:40,864 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 02:24:40,865 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 02:24:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:24:46,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 4625 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 02:24:46,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:24:48,228 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2024-11-19 02:24:48,228 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:24:48,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473879787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:24:48,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:24:48,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2024-11-19 02:24:48,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531384787] [2024-11-19 02:24:48,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:24:48,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 02:24:48,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:24:48,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 02:24:48,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-11-19 02:24:48,232 INFO L87 Difference]: Start difference. First operand 203 states and 264 transitions. Second operand has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-19 02:24:52,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:24:52,828 INFO L93 Difference]: Finished difference Result 376 states and 498 transitions. [2024-11-19 02:24:52,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 02:24:52,829 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 156 [2024-11-19 02:24:52,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:24:52,834 INFO L225 Difference]: With dead ends: 376 [2024-11-19 02:24:52,834 INFO L226 Difference]: Without dead ends: 205 [2024-11-19 02:24:52,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-19 02:24:52,836 INFO L432 NwaCegarLoop]: 225 mSDtfsCounter, 282 mSDsluCounter, 1062 mSDsCounter, 0 mSdLazyCounter, 321 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 285 SdHoareTripleChecker+Valid, 1287 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2024-11-19 02:24:52,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [285 Valid, 1287 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 321 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2024-11-19 02:24:52,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-19 02:24:52,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-19 02:24:52,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 128 states have (on average 1.1875) internal successors, (152), 130 states have internal predecessors, (152), 57 states have call successors, (57), 18 states have call predecessors, (57), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-11-19 02:24:52,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 271 transitions. [2024-11-19 02:24:52,865 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 271 transitions. Word has length 156 [2024-11-19 02:24:52,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:24:52,866 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 271 transitions. [2024-11-19 02:24:52,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.625) internal successors, (61), 8 states have internal predecessors, (61), 4 states have call successors, (26), 2 states have call predecessors, (26), 4 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2024-11-19 02:24:52,867 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 271 transitions. [2024-11-19 02:24:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-11-19 02:24:52,870 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:24:52,870 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 02:24:52,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 02:24:53,071 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,SelfDestructingSolverStorable2 [2024-11-19 02:24:53,072 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:24:53,072 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:24:53,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1896012215, now seen corresponding path program 1 times [2024-11-19 02:24:53,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:24:53,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400117670] [2024-11-19 02:24:53,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:24:53,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:24:57,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:24:58,769 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-11-19 02:24:58,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:24:58,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400117670] [2024-11-19 02:24:58,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1400117670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:24:58,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:24:58,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 02:24:58,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499684057] [2024-11-19 02:24:58,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:24:58,771 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 02:24:58,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:24:58,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 02:24:58,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 02:24:58,772 INFO L87 Difference]: Start difference. First operand 205 states and 271 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 4 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-19 02:24:59,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:24:59,859 INFO L93 Difference]: Finished difference Result 362 states and 479 transitions. [2024-11-19 02:24:59,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 02:24:59,860 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), 4 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) Word has length 171 [2024-11-19 02:24:59,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:24:59,862 INFO L225 Difference]: With dead ends: 362 [2024-11-19 02:24:59,862 INFO L226 Difference]: Without dead ends: 205 [2024-11-19 02:24:59,863 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 02:24:59,865 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 36 mSDsluCounter, 897 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 1142 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-19 02:24:59,866 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 1142 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-19 02:24:59,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-19 02:24:59,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-19 02:24:59,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 128 states have (on average 1.1796875) internal successors, (151), 130 states have internal predecessors, (151), 57 states have call successors, (57), 18 states have call predecessors, (57), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2024-11-19 02:24:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 270 transitions. [2024-11-19 02:24:59,908 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 270 transitions. Word has length 171 [2024-11-19 02:24:59,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:24:59,909 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 270 transitions. [2024-11-19 02:24:59,909 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), 4 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (26), 4 states have call predecessors, (26), 4 states have call successors, (26) [2024-11-19 02:24:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 270 transitions. [2024-11-19 02:24:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-19 02:24:59,911 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:24:59,912 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:24:59,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-19 02:24:59,915 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:24:59,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:24:59,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1822656142, now seen corresponding path program 1 times [2024-11-19 02:24:59,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:24:59,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962028411] [2024-11-19 02:24:59,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:24:59,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:25:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:25:06,335 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2024-11-19 02:25:06,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:25:06,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962028411] [2024-11-19 02:25:06,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962028411] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 02:25:06,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565896034] [2024-11-19 02:25:06,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 02:25:06,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:25:06,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 02:25:06,339 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 02:25:06,341 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 02:25:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 02:25:11,782 INFO L255 TraceCheckSpWp]: Trace formula consists of 4824 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-19 02:25:11,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 02:25:14,081 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-19 02:25:14,081 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 02:25:14,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565896034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:25:14,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 02:25:14,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-11-19 02:25:14,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39868117] [2024-11-19 02:25:14,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:25:14,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 02:25:14,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:25:14,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 02:25:14,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-19 02:25:14,084 INFO L87 Difference]: Start difference. First operand 205 states and 270 transitions. Second operand has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2024-11-19 02:25:19,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:25:19,551 INFO L93 Difference]: Finished difference Result 375 states and 496 transitions. [2024-11-19 02:25:19,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 02:25:19,553 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) Word has length 187 [2024-11-19 02:25:19,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:25:19,556 INFO L225 Difference]: With dead ends: 375 [2024-11-19 02:25:19,556 INFO L226 Difference]: Without dead ends: 205 [2024-11-19 02:25:19,558 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=65, Invalid=397, Unknown=0, NotChecked=0, Total=462 [2024-11-19 02:25:19,559 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 316 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 69 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 318 SdHoareTripleChecker+Valid, 1331 SdHoareTripleChecker+Invalid, 481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 69 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time [2024-11-19 02:25:19,559 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [318 Valid, 1331 Invalid, 481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [69 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 4.3s Time] [2024-11-19 02:25:19,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-19 02:25:19,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-11-19 02:25:19,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 128 states have (on average 1.1796875) internal successors, (151), 130 states have internal predecessors, (151), 57 states have call successors, (57), 18 states have call predecessors, (57), 19 states have return successors, (61), 56 states have call predecessors, (61), 56 states have call successors, (61) [2024-11-19 02:25:19,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 269 transitions. [2024-11-19 02:25:19,575 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 269 transitions. Word has length 187 [2024-11-19 02:25:19,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 02:25:19,576 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 269 transitions. [2024-11-19 02:25:19,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.555555555555555) internal successors, (86), 9 states have internal predecessors, (86), 5 states have call successors, (29), 2 states have call predecessors, (29), 4 states have return successors, (27), 5 states have call predecessors, (27), 5 states have call successors, (27) [2024-11-19 02:25:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 269 transitions. [2024-11-19 02:25:19,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2024-11-19 02:25:19,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 02:25:19,582 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 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 02:25:19,619 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 02:25:19,782 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 02:25:19,784 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-19 02:25:19,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 02:25:19,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1465652904, now seen corresponding path program 2 times [2024-11-19 02:25:19,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 02:25:19,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850786080] [2024-11-19 02:25:19,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 02:25:19,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 02:25:23,908 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 02:25:23,909 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 02:25:26,356 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2024-11-19 02:25:26,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 02:25:26,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850786080] [2024-11-19 02:25:26,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850786080] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 02:25:26,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 02:25:26,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-19 02:25:26,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022446255] [2024-11-19 02:25:26,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 02:25:26,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 02:25:26,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 02:25:26,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 02:25:26,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-19 02:25:26,360 INFO L87 Difference]: Start difference. First operand 205 states and 269 transitions. Second operand has 6 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-19 02:25:26,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 02:25:26,714 INFO L93 Difference]: Finished difference Result 213 states and 277 transitions. [2024-11-19 02:25:26,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 02:25:26,715 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (29), 2 states have call predecessors, (29), 2 states have return successors, (27), 2 states have call predecessors, (27), 1 states have call successors, (27) Word has length 202 [2024-11-19 02:25:26,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 02:25:26,717 INFO L225 Difference]: With dead ends: 213 [2024-11-19 02:25:26,717 INFO L226 Difference]: Without dead ends: 211 [2024-11-19 02:25:26,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-19 02:25:26,719 INFO L432 NwaCegarLoop]: 260 mSDtfsCounter, 3 mSDsluCounter, 1028 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 02:25:26,720 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1288 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 02:25:26,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states.