./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_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 d7eaf0344f6f57c66c46804220c62b0485b08b4ef0e684c487eaec2203e797bb --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 10:11:50,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 10:11:50,232 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-20 10:11:50,237 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 10:11:50,238 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 10:11:50,274 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 10:11:50,275 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 10:11:50,279 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 10:11:50,280 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 10:11:50,280 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 10:11:50,280 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 10:11:50,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 10:11:50,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 10:11:50,281 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 10:11:50,282 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 10:11:50,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 10:11:50,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 10:11:50,282 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 10:11:50,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 10:11:50,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 10:11:50,283 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 10:11:50,285 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 10:11:50,286 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 10:11:50,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 10:11:50,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 10:11:50,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 10:11:50,286 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 10:11:50,287 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 10:11:50,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 10:11:50,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:11:50,287 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 10:11:50,287 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 10:11:50,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 10:11:50,288 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 10:11:50,288 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 10:11:50,288 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 10:11:50,288 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 10:11:50,288 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 10:11:50,288 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 10:11:50,288 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d7eaf0344f6f57c66c46804220c62b0485b08b4ef0e684c487eaec2203e797bb [2024-11-20 10:11:50,506 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 10:11:50,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 10:11:50,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 10:11:50,535 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 10:11:50,536 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 10:11:50,537 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i [2024-11-20 10:11:51,849 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 10:11:52,227 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 10:11:52,229 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_init_static_harness.i [2024-11-20 10:11:52,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea7e0b3a5/78c4ff631ff345bd883f7680728b2243/FLAG85f4173e5 [2024-11-20 10:11:52,282 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea7e0b3a5/78c4ff631ff345bd883f7680728b2243 [2024-11-20 10:11:52,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 10:11:52,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 10:11:52,287 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 10:11:52,287 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 10:11:52,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 10:11:52,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:11:52" (1/1) ... [2024-11-20 10:11:52,305 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5868109d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:52, skipping insertion in model container [2024-11-20 10:11:52,305 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:11:52" (1/1) ... [2024-11-20 10:11:52,427 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 10:11:52,724 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_init_static_harness.i[4504,4517] [2024-11-20 10:11:52,733 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_init_static_harness.i[4564,4577] [2024-11-20 10:11:53,418 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:53,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:53,419 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:53,421 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:53,423 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:53,437 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:53,438 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:53,439 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:53,441 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:53,906 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:53,906 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:53,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:11:53,995 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 10:11:54,009 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_init_static_harness.i[4504,4517] [2024-11-20 10:11:54,010 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_init_static_harness.i[4564,4577] [2024-11-20 10:11:54,056 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:54,056 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:54,057 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:54,057 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:54,058 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:54,062 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:54,063 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:54,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:54,064 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:54,143 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:54,143 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-20 10:11:54,152 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7703-7714] [2024-11-20 10:11:54,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 10:11:54,337 INFO L204 MainTranslator]: Completed translation [2024-11-20 10:11:54,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54 WrapperNode [2024-11-20 10:11:54,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 10:11:54,338 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 10:11:54,338 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 10:11:54,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 10:11:54,345 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:54,401 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:54,490 INFO L138 Inliner]: procedures = 678, calls = 1525, calls flagged for inlining = 53, calls inlined = 9, statements flattened = 684 [2024-11-20 10:11:54,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 10:11:54,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 10:11:54,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 10:11:54,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 10:11:54,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:54,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:54,526 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:54,610 INFO L175 MemorySlicer]: Split 296 memory accesses to 5 slices as follows [2, 238, 49, 2, 5]. 80 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 6, 2, 0, 5]. The 252 writes are split as follows [0, 232, 20, 0, 0]. [2024-11-20 10:11:54,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:54,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:54,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:54,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:54,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:54,669 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:54,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 10:11:54,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 10:11:54,688 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 10:11:54,688 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 10:11:54,689 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54" (1/1) ... [2024-11-20 10:11:54,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 10:11:54,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 10:11:54,728 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) [2024-11-20 10:11:54,731 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 [2024-11-20 10:11:54,769 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-20 10:11:54,770 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-20 10:11:54,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 10:11:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-20 10:11:54,772 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-20 10:11:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-20 10:11:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-20 10:11:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-20 10:11:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-20 10:11:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-20 10:11:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 10:11:54,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 10:11:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 10:11:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-20 10:11:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-20 10:11:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-20 10:11:54,773 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-20 10:11:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-20 10:11:54,773 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-20 10:11:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-20 10:11:54,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 10:11:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-20 10:11:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-20 10:11:54,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-20 10:11:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-20 10:11:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-20 10:11:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 10:11:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 10:11:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-20 10:11:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-20 10:11:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-20 10:11:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-20 10:11:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-20 10:11:54,775 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-20 10:11:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-20 10:11:54,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-20 10:11:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-20 10:11:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-20 10:11:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-20 10:11:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-20 10:11:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-20 10:11:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 10:11:54,776 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 10:11:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 10:11:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-20 10:11:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-20 10:11:54,776 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-20 10:11:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-20 10:11:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-20 10:11:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-20 10:11:54,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-20 10:11:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-20 10:11:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-20 10:11:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-20 10:11:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-20 10:11:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-20 10:11:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_uint64_t [2024-11-20 10:11:54,778 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_uint64_t [2024-11-20 10:11:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 10:11:54,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 10:11:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 10:11:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-20 10:11:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-20 10:11:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure memset_impl [2024-11-20 10:11:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure memset_impl [2024-11-20 10:11:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure my_memset [2024-11-20 10:11:54,779 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memset [2024-11-20 10:11:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 10:11:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 10:11:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 10:11:54,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-20 10:11:54,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-20 10:11:55,053 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 10:11:55,055 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 10:12:01,112 INFO L? ?]: Removed 135 outVars from TransFormulas that were not future-live. [2024-11-20 10:12:01,112 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 10:12:01,134 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 10:12:01,134 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-20 10:12:01,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:12:01 BoogieIcfgContainer [2024-11-20 10:12:01,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 10:12:01,136 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 10:12:01,137 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 10:12:01,140 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 10:12:01,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:11:52" (1/3) ... [2024-11-20 10:12:01,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f39f909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:12:01, skipping insertion in model container [2024-11-20 10:12:01,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:11:54" (2/3) ... [2024-11-20 10:12:01,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f39f909 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:12:01, skipping insertion in model container [2024-11-20 10:12:01,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:12:01" (3/3) ... [2024-11-20 10:12:01,143 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_init_static_harness.i [2024-11-20 10:12:01,183 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 10:12:01,184 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 10:12:01,260 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 10:12:01,270 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;@215557c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 10:12:01,270 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 10:12:01,275 INFO L276 IsEmpty]: Start isEmpty. Operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2024-11-20 10:12:01,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-20 10:12:01,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:12:01,291 INFO L215 NwaCegarLoop]: trace histogram [13, 13, 13, 9, 9, 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] [2024-11-20 10:12:01,292 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:12:01,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:12:01,299 INFO L85 PathProgramCache]: Analyzing trace with hash 401780967, now seen corresponding path program 1 times [2024-11-20 10:12:01,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:12:01,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799324984] [2024-11-20 10:12:01,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:12:01,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:12:06,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:12:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,043 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:12:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:12:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,076 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:12:07,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:12:07,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:12:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:12:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:12:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-20 10:12:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 10:12:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 10:12:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 10:12:07,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:07,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 10:12:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 10:12:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:12:07,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:12:07,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 10:12:07,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 10:12:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-20 10:12:07,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-20 10:12:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-20 10:12:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-20 10:12:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-20 10:12:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 10:12:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-20 10:12:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:07,842 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2024-11-20 10:12:07,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:12:07,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799324984] [2024-11-20 10:12:07,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1799324984] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:12:07,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:12:07,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 10:12:07,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000471616] [2024-11-20 10:12:07,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:12:07,851 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-20 10:12:07,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:12:07,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-20 10:12:07,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:12:07,879 INFO L87 Difference]: Start difference. First operand has 169 states, 107 states have (on average 1.2149532710280373) internal successors, (130), 107 states have internal predecessors, (130), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-20 10:12:11,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:12:16,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:12:20,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:12:24,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:12:24,742 INFO L93 Difference]: Finished difference Result 343 states and 493 transitions. [2024-11-20 10:12:24,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 10:12:24,744 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 155 [2024-11-20 10:12:24,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:12:24,754 INFO L225 Difference]: With dead ends: 343 [2024-11-20 10:12:24,757 INFO L226 Difference]: Without dead ends: 192 [2024-11-20 10:12:24,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 10:12:24,764 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 145 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 112 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2024-11-20 10:12:24,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 265 Invalid, 323 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 208 Invalid, 3 Unknown, 0 Unchecked, 16.7s Time] [2024-11-20 10:12:24,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-20 10:12:24,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 163. [2024-11-20 10:12:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 101 states have (on average 1.1683168316831682) internal successors, (118), 102 states have internal predecessors, (118), 48 states have call successors, (48), 13 states have call predecessors, (48), 13 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2024-11-20 10:12:24,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 213 transitions. [2024-11-20 10:12:24,827 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 213 transitions. Word has length 155 [2024-11-20 10:12:24,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:12:24,827 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 213 transitions. [2024-11-20 10:12:24,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (28), 5 states have call predecessors, (28), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-20 10:12:24,828 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 213 transitions. [2024-11-20 10:12:24,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-11-20 10:12:24,833 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:12:24,833 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 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] [2024-11-20 10:12:24,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 10:12:24,834 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:12:24,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:12:24,834 INFO L85 PathProgramCache]: Analyzing trace with hash 782876487, now seen corresponding path program 1 times [2024-11-20 10:12:24,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:12:24,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [481477610] [2024-11-20 10:12:24,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:12:24,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:12:29,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:30,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:12:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:30,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:12:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:30,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:12:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:30,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:12:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:30,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:12:30,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:30,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:12:30,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:30,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:12:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:30,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:12:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:30,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-20 10:12:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:30,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 10:12:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:30,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 10:12:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 10:12:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 10:12:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 10:12:31,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:12:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:12:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 10:12:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 10:12:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 10:12:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:31,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:31,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 10:12:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 10:12:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 10:12:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 10:12:31,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-20 10:12:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:12:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:31,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 10:12:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:32,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 10:12:32,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:12:32,649 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2024-11-20 10:12:32,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:12:32,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [481477610] [2024-11-20 10:12:32,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [481477610] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:12:32,650 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:12:32,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-20 10:12:32,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437774670] [2024-11-20 10:12:32,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:12:32,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-20 10:12:32,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:12:32,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-20 10:12:32,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-20 10:12:32,653 INFO L87 Difference]: Start difference. First operand 163 states and 213 transitions. Second operand has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-20 10:12:36,709 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:12:41,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:12:59,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:12:59,077 INFO L93 Difference]: Finished difference Result 317 states and 422 transitions. [2024-11-20 10:12:59,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-20 10:12:59,079 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 172 [2024-11-20 10:12:59,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:12:59,082 INFO L225 Difference]: With dead ends: 317 [2024-11-20 10:12:59,082 INFO L226 Difference]: Without dead ends: 223 [2024-11-20 10:12:59,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-11-20 10:12:59,084 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 162 mSDsluCounter, 600 mSDsCounter, 0 mSdLazyCounter, 981 mSolverCounterSat, 94 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 733 SdHoareTripleChecker+Invalid, 1077 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 94 IncrementalHoareTripleChecker+Valid, 981 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2024-11-20 10:12:59,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 733 Invalid, 1077 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [94 Valid, 981 Invalid, 2 Unknown, 0 Unchecked, 24.3s Time] [2024-11-20 10:12:59,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-20 10:12:59,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 165. [2024-11-20 10:12:59,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.1666666666666667) internal successors, (119), 104 states have internal predecessors, (119), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-20 10:12:59,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 216 transitions. [2024-11-20 10:12:59,105 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 216 transitions. Word has length 172 [2024-11-20 10:12:59,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:12:59,106 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 216 transitions. [2024-11-20 10:12:59,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 4.363636363636363) internal successors, (48), 7 states have internal predecessors, (48), 5 states have call successors, (31), 6 states have call predecessors, (31), 2 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2024-11-20 10:12:59,106 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 216 transitions. [2024-11-20 10:12:59,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2024-11-20 10:12:59,109 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:12:59,109 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:12:59,109 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 10:12:59,109 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:12:59,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:12:59,110 INFO L85 PathProgramCache]: Analyzing trace with hash -923114483, now seen corresponding path program 1 times [2024-11-20 10:12:59,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:12:59,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547042519] [2024-11-20 10:12:59,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:12:59,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 10:13:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:13:04,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-20 10:13:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-20 10:13:04,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-20 10:13:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-20 10:13:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-20 10:13:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-20 10:13:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 10:13:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,491 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-20 10:13:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-11-20 10:13:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-20 10:13:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-20 10:13:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-11-20 10:13:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2024-11-20 10:13:04,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:04,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-20 10:13:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-20 10:13:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-20 10:13:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:04,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-11-20 10:13:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:05,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-20 10:13:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:05,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:06,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:06,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-20 10:13:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:06,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-11-20 10:13:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:06,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-11-20 10:13:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:06,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-20 10:13:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:06,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-11-20 10:13:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:06,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:06,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-11-20 10:13:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:06,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-11-20 10:13:06,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:06,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 10:13:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:06,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-20 10:13:06,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 10:13:06,659 INFO L134 CoverageAnalysis]: Checked inductivity of 499 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 499 trivial. 0 not checked. [2024-11-20 10:13:06,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 10:13:06,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547042519] [2024-11-20 10:13:06,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547042519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 10:13:06,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 10:13:06,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-20 10:13:06,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143820837] [2024-11-20 10:13:06,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 10:13:06,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 10:13:06,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 10:13:06,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 10:13:06,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-11-20 10:13:06,663 INFO L87 Difference]: Start difference. First operand 165 states and 216 transitions. Second operand has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-20 10:13:10,724 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-20 10:13:23,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 10:13:23,513 INFO L93 Difference]: Finished difference Result 338 states and 450 transitions. [2024-11-20 10:13:23,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-20 10:13:23,514 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) Word has length 187 [2024-11-20 10:13:23,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 10:13:23,516 INFO L225 Difference]: With dead ends: 338 [2024-11-20 10:13:23,517 INFO L226 Difference]: Without dead ends: 223 [2024-11-20 10:13:23,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-20 10:13:23,518 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 272 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 691 mSolverCounterSat, 180 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 276 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 872 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 691 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.8s IncrementalHoareTripleChecker+Time [2024-11-20 10:13:23,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [276 Valid, 765 Invalid, 872 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 691 Invalid, 1 Unknown, 0 Unchecked, 14.8s Time] [2024-11-20 10:13:23,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-20 10:13:23,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 165. [2024-11-20 10:13:23,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 102 states have (on average 1.1568627450980393) internal successors, (118), 104 states have internal predecessors, (118), 48 states have call successors, (48), 13 states have call predecessors, (48), 14 states have return successors, (49), 47 states have call predecessors, (49), 47 states have call successors, (49) [2024-11-20 10:13:23,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 215 transitions. [2024-11-20 10:13:23,546 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 215 transitions. Word has length 187 [2024-11-20 10:13:23,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 10:13:23,547 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 215 transitions. [2024-11-20 10:13:23,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (32), 6 states have call predecessors, (32), 3 states have return successors, (31), 4 states have call predecessors, (31), 4 states have call successors, (31) [2024-11-20 10:13:23,550 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 215 transitions. [2024-11-20 10:13:23,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2024-11-20 10:13:23,552 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 10:13:23,553 INFO L215 NwaCegarLoop]: trace histogram [14, 14, 14, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 10:13:23,553 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 10:13:23,553 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 10:13:23,553 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 10:13:23,553 INFO L85 PathProgramCache]: Analyzing trace with hash -611515787, now seen corresponding path program 1 times [2024-11-20 10:13:23,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 10:13:23,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657911997] [2024-11-20 10:13:23,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 10:13:23,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms