./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 023d838f 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.fs.icfgbuilder-eval-023d838-m [2024-11-10 11:05:54,450 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:05:54,545 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:05:54,549 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:05:54,550 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:05:54,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:05:54,571 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:05:54,571 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:05:54,572 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:05:54,572 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:05:54,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:05:54,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:05:54,574 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:05:54,574 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:05:54,574 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:05:54,575 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:05:54,575 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:05:54,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:05:54,576 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:05:54,576 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:05:54,576 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:05:54,578 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:05:54,579 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:05:54,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:05:54,579 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:05:54,580 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:05:54,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:05:54,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:05:54,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:05:54,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:05:54,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:05:54,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:05:54,584 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:05:54,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:05:54,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:05:54,585 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:05:54,585 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:05:54,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:05:54,586 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:05:54,586 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cddb8be3317e9d6bf2e67633b62d21b872e62a4205c204f682a628045c0c7f11 [2024-11-10 11:05:54,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:05:54,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:05:54,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:05:54,886 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:05:54,886 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:05:54,887 INFO L431 ainManager$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 [2024-11-10 11:05:56,383 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:05:56,869 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:05:56,870 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_top_harness_negated.i [2024-11-10 11:05:56,915 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae53349d/4bbc39e66ef14865a3fedc06e8e1b7e6/FLAG688502066 [2024-11-10 11:05:56,934 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2ae53349d/4bbc39e66ef14865a3fedc06e8e1b7e6 [2024-11-10 11:05:56,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:05:56,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:05:56,944 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:05:56,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:05:56,951 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:05:56,952 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:05:56" (1/1) ... [2024-11-10 11:05:56,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73147e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:56, skipping insertion in model container [2024-11-10 11:05:56,955 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:05:56" (1/1) ... [2024-11-10 11:05:57,063 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:05:57,399 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] [2024-11-10 11:05:57,410 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] [2024-11-10 11:05:58,134 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,139 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,140 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,140 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,142 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,157 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,158 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,159 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,161 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,605 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,610 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:05:58,703 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:05:58,718 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] [2024-11-10 11:05:58,719 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] [2024-11-10 11:05:58,844 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,848 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,849 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,850 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,853 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,885 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,885 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,886 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,890 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,993 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:58,997 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:59,009 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7671-7682] [2024-11-10 11:05:59,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:05:59,212 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:05:59,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59 WrapperNode [2024-11-10 11:05:59,212 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:05:59,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:05:59,213 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:05:59,213 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:05:59,225 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59" (1/1) ... [2024-11-10 11:05:59,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59" (1/1) ... [2024-11-10 11:05:59,416 INFO L138 Inliner]: procedures = 678, calls = 1548, calls flagged for inlining = 54, calls inlined = 10, statements flattened = 726 [2024-11-10 11:05:59,418 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:05:59,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:05:59,422 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:05:59,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:05:59,433 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59" (1/1) ... [2024-11-10 11:05:59,434 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59" (1/1) ... [2024-11-10 11:05:59,441 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59" (1/1) ... [2024-11-10 11:05:59,506 INFO L175 MemorySlicer]: Split 340 memory accesses to 7 slices as follows [238, 2, 6, 3, 2, 7, 82]. 70 percent of accesses are in the largest equivalence class. The 25 initializations are split as follows [6, 2, 0, 1, 1, 5, 10]. The 253 writes are split as follows [232, 0, 2, 1, 1, 0, 17]. [2024-11-10 11:05:59,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59" (1/1) ... [2024-11-10 11:05:59,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59" (1/1) ... [2024-11-10 11:05:59,554 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59" (1/1) ... [2024-11-10 11:05:59,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59" (1/1) ... [2024-11-10 11:05:59,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59" (1/1) ... [2024-11-10 11:05:59,581 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59" (1/1) ... [2024-11-10 11:05:59,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:05:59,601 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:05:59,601 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:05:59,601 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:05:59,602 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59" (1/1) ... [2024-11-10 11:05:59,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:05:59,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:05:59,635 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) [2024-11-10 11:05:59,642 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 [2024-11-10 11:05:59,690 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-10 11:05:59,691 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-10 11:05:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 11:05:59,691 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-10 11:05:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-10 11:05:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-10 11:05:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-10 11:05:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 11:05:59,693 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 11:05:59,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 11:05:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 11:05:59,694 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 11:05:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:05:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:05:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 11:05:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:05:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure save_byte_from_array [2024-11-10 11:05:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure save_byte_from_array [2024-11-10 11:05:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 11:05:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 11:05:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 11:05:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 11:05:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 11:05:59,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 11:05:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 11:05:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:05:59,697 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:05:59,697 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 11:05:59,697 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 11:05:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 11:05:59,698 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 11:05:59,698 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-10 11:05:59,699 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-10 11:05:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-10 11:05:59,699 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-10 11:05:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 11:05:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 11:05:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 11:05:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 11:05:59,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 11:05:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 11:05:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 11:05:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-10 11:05:59,700 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-10 11:05:59,700 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-10 11:05:59,701 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-10 11:05:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 11:05:59,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 11:05:59,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 11:05:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 11:05:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 11:05:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 11:05:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 11:05:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 11:05:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 11:05:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 11:05:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:05:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:05:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:05:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:05:59,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 11:05:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 11:05:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 11:05:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 11:05:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 11:05:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-10 11:05:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-10 11:05:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 11:05:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 11:05:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 11:05:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 11:05:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 11:05:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 11:05:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 11:05:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure assert_array_list_equivalence [2024-11-10 11:05:59,703 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_array_list_equivalence [2024-11-10 11:05:59,703 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-10 11:05:59,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-10 11:05:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:05:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:05:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:05:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:05:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 11:05:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 11:05:59,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 11:06:00,134 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:06:00,137 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:06:00,177 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2782: havoc #t~malloc77.base, #t~malloc77.offset; [2024-11-10 11:06:00,232 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-10 11:06:00,253 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2588: havoc #t~ret57#1; [2024-11-10 11:06:00,400 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7462: havoc aws_priority_queue_backpointers_valid_#t~ret686#1;havoc aws_priority_queue_backpointers_valid_#t~short687#1; [2024-11-10 11:06:00,464 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3268: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-10 11:06:00,467 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 11:06:05,854 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7497-2: havoc aws_priority_queue_top_#t~ret693#1; [2024-11-10 11:06:05,855 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L3509: havoc aws_array_list_get_at_ptr_#t~ret274#1; [2024-11-10 11:06:05,855 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L7498: havoc aws_priority_queue_top_#t~ret694#1; [2024-11-10 11:06:05,924 INFO L? ?]: Removed 160 outVars from TransFormulas that were not future-live. [2024-11-10 11:06:05,925 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:06:05,946 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:06:05,947 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:06:05,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:06:05 BoogieIcfgContainer [2024-11-10 11:06:05,948 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:06:05,952 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:06:05,952 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:06:05,955 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:06:05,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:05:56" (1/3) ... [2024-11-10 11:06:05,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdb8f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:06:05, skipping insertion in model container [2024-11-10 11:06:05,957 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:59" (2/3) ... [2024-11-10 11:06:05,957 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fdb8f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:06:05, skipping insertion in model container [2024-11-10 11:06:05,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:06:05" (3/3) ... [2024-11-10 11:06:05,960 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_top_harness_negated.i [2024-11-10 11:06:05,977 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:06:05,978 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 11:06:06,058 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:06:06,067 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;@d5defa1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:06:06,068 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 11:06:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand has 210 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 134 states have internal predecessors, (163), 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) [2024-11-10 11:06:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 11:06:06,098 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:06:06,100 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, 1] [2024-11-10 11:06:06,101 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:06:06,106 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:06:06,107 INFO L85 PathProgramCache]: Analyzing trace with hash -901394109, now seen corresponding path program 1 times [2024-11-10 11:06:06,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:06:06,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594440992] [2024-11-10 11:06:06,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:06:06,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:06:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:06:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:06:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:06:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:06:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:06:12,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:06:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:06:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:06:12,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:06:12,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:06:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:06:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:06:12,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 11:06:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:06:12,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:12,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:06:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 11:06:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 11:06:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 11:06:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 11:06:13,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 11:06:13,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:06:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 11:06:13,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 11:06:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 11:06:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 11:06:13,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,523 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-10 11:06:13,523 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:06:13,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594440992] [2024-11-10 11:06:13,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594440992] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:06:13,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:06:13,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 11:06:13,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771247555] [2024-11-10 11:06:13,527 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:06:13,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 11:06:13,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:06:13,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 11:06:13,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-10 11:06:13,565 INFO L87 Difference]: Start difference. First operand has 210 states, 133 states have (on average 1.2255639097744362) internal successors, (163), 134 states have internal predecessors, (163), 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 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 11:06:17,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:06:22,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.38s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:06:26,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:06:35,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:06:35,227 INFO L93 Difference]: Finished difference Result 428 states and 613 transitions. [2024-11-10 11:06:35,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 11:06:35,229 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (25), 6 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 149 [2024-11-10 11:06:35,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:06:35,240 INFO L225 Difference]: With dead ends: 428 [2024-11-10 11:06:35,240 INFO L226 Difference]: Without dead ends: 236 [2024-11-10 11:06:35,245 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-10 11:06:35,250 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 436 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 333 mSolverCounterSat, 324 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 446 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 660 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 324 IncrementalHoareTripleChecker+Valid, 333 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.3s IncrementalHoareTripleChecker+Time [2024-11-10 11:06:35,252 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [446 Valid, 168 Invalid, 660 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [324 Valid, 333 Invalid, 3 Unknown, 0 Unchecked, 19.3s Time] [2024-11-10 11:06:35,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-10 11:06:35,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 204. [2024-11-10 11:06:35,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 128 states have (on average 1.1953125) internal successors, (153), 129 states have internal predecessors, (153), 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) [2024-11-10 11:06:35,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 266 transitions. [2024-11-10 11:06:35,328 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 266 transitions. Word has length 149 [2024-11-10 11:06:35,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:06:35,329 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 266 transitions. [2024-11-10 11:06:35,330 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2024-11-10 11:06:35,330 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 266 transitions. [2024-11-10 11:06:35,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2024-11-10 11:06:35,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:06:35,335 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, 1] [2024-11-10 11:06:35,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 11:06:35,336 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:06:35,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:06:35,337 INFO L85 PathProgramCache]: Analyzing trace with hash -402887132, now seen corresponding path program 1 times [2024-11-10 11:06:35,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:06:35,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85637724] [2024-11-10 11:06:35,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:06:35,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:06:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:41,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:06:41,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:41,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:06:41,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:41,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:06:41,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:41,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:06:41,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:41,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:06:41,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:41,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:06:41,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:41,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:06:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:41,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:06:41,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:41,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:06:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:42,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:06:42,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:42,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:06:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:42,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:06:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:42,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 11:06:42,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:42,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:06:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:42,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:06:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:42,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 11:06:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:43,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 11:06:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:43,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 11:06:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:43,648 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-11-10 11:06:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:43,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2024-11-10 11:06:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:43,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:06:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:43,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-10 11:06:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:43,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-10 11:06:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:43,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-11-10 11:06:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:43,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-11-10 11:06:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:43,969 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-11-10 11:06:43,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:06:43,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85637724] [2024-11-10 11:06:43,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85637724] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:06:43,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:06:43,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-10 11:06:43,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475617350] [2024-11-10 11:06:43,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:06:43,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-10 11:06:43,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:06:43,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-10 11:06:43,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-10 11:06:43,974 INFO L87 Difference]: Start difference. First operand 204 states and 266 transitions. Second operand has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-10 11:06:48,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:06:52,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.43s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:06:56,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-10 11:07:15,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:07:15,651 INFO L93 Difference]: Finished difference Result 391 states and 523 transitions. [2024-11-10 11:07:15,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 11:07:15,652 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (25), 6 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 149 [2024-11-10 11:07:15,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:07:15,656 INFO L225 Difference]: With dead ends: 391 [2024-11-10 11:07:15,656 INFO L226 Difference]: Without dead ends: 236 [2024-11-10 11:07:15,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-10 11:07:15,659 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 477 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 936 mSolverCounterSat, 328 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 26.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 1267 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 328 IncrementalHoareTripleChecker+Valid, 936 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 27.7s IncrementalHoareTripleChecker+Time [2024-11-10 11:07:15,659 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 259 Invalid, 1267 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [328 Valid, 936 Invalid, 3 Unknown, 0 Unchecked, 27.7s Time] [2024-11-10 11:07:15,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-10 11:07:15,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 204. [2024-11-10 11:07:15,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 128 states have (on average 1.1875) internal successors, (152), 129 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) [2024-11-10 11:07:15,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 265 transitions. [2024-11-10 11:07:15,688 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 265 transitions. Word has length 149 [2024-11-10 11:07:15,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:07:15,689 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 265 transitions. [2024-11-10 11:07:15,689 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 5 states have internal predecessors, (53), 3 states have call successors, (25), 6 states have call predecessors, (25), 2 states have return successors, (23), 3 states have call predecessors, (23), 3 states have call successors, (23) [2024-11-10 11:07:15,689 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 265 transitions. [2024-11-10 11:07:15,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2024-11-10 11:07:15,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:07:15,699 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, 1] [2024-11-10 11:07:15,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 11:07:15,699 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:07:15,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:07:15,700 INFO L85 PathProgramCache]: Analyzing trace with hash -39804182, now seen corresponding path program 1 times [2024-11-10 11:07:15,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:07:15,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456702080] [2024-11-10 11:07:15,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:07:15,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:07:19,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:07:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:07:21,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:07:21,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:07:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:07:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:07:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:07:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:07:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:07:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:07:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:07:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:07:21,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 11:07:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:07:21,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:21,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:07:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:22,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 11:07:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:22,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:07:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:23,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-10 11:07:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:23,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-10 11:07:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:23,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-10 11:07:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:23,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2024-11-10 11:07:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:23,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-10 11:07:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:24,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-10 11:07:24,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:24,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-10 11:07:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:24,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-10 11:07:24,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:24,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-10 11:07:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:07:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-10 11:07:24,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:07:24,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456702080] [2024-11-10 11:07:24,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456702080] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 11:07:24,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654778478] [2024-11-10 11:07:24,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:07:24,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 11:07:24,033 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:07:24,038 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) [2024-11-10 11:07:24,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process