./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_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_s_swap_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 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 11:05:29,087 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 11:05:29,143 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-10 11:05:29,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 11:05:29,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 11:05:29,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 11:05:29,179 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 11:05:29,179 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 11:05:29,180 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 11:05:29,180 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 11:05:29,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 11:05:29,181 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 11:05:29,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 11:05:29,184 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 11:05:29,184 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 11:05:29,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 11:05:29,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 11:05:29,185 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 11:05:29,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 11:05:29,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 11:05:29,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 11:05:29,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 11:05:29,187 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 11:05:29,187 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 11:05:29,187 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 11:05:29,188 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 11:05:29,188 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 11:05:29,188 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 11:05:29,189 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 11:05:29,189 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:05:29,189 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 11:05:29,190 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 11:05:29,190 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 11:05:29,190 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 11:05:29,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 11:05:29,191 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 11:05:29,191 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 11:05:29,192 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 11:05:29,192 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 11:05:29,192 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ca632cf4d0628a0bca8581d3487333a879c201a6e38711f70e5e296a0f6c548 [2024-11-10 11:05:29,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 11:05:29,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 11:05:29,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 11:05:29,531 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 11:05:29,532 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 11:05:29,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-11-10 11:05:30,992 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 11:05:31,466 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 11:05:31,466 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_swap_harness_negated.i [2024-11-10 11:05:31,508 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f5eda78f/9a4070e6986b4e62a837c754653ed4d2/FLAGef4b0e227 [2024-11-10 11:05:31,526 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f5eda78f/9a4070e6986b4e62a837c754653ed4d2 [2024-11-10 11:05:31,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 11:05:31,533 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 11:05:31,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 11:05:31,536 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 11:05:31,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 11:05:31,542 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:05:31" (1/1) ... [2024-11-10 11:05:31,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f7236b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:31, skipping insertion in model container [2024-11-10 11:05:31,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:05:31" (1/1) ... [2024-11-10 11:05:31,649 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 11:05:31,984 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_s_swap_harness_negated.i[4499,4512] [2024-11-10 11:05:31,997 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_s_swap_harness_negated.i[4559,4572] [2024-11-10 11:05:32,767 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:32,768 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:32,768 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:32,769 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:32,770 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:32,783 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:32,783 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:32,785 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:32,786 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:32,787 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:32,788 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:32,789 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:32,789 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,359 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,367 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,514 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,515 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,515 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,516 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,516 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,517 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,517 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,518 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,518 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,518 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,519 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,519 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,520 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,527 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,528 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,528 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,528 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,533 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,537 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,545 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,549 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,549 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:05:33,694 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 11:05:33,716 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_s_swap_harness_negated.i[4499,4512] [2024-11-10 11:05:33,721 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_s_swap_harness_negated.i[4559,4572] [2024-11-10 11:05:33,773 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,777 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,778 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,778 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,779 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,788 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,789 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,789 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,792 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,793 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,793 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,794 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,794 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,891 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,900 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7738-7749] [2024-11-10 11:05:33,930 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,931 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,932 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,932 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,932 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,933 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,933 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,934 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,934 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,936 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,936 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,936 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,937 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,937 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,937 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,938 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,938 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,940 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,940 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,946 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,947 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,948 WARN L1684 CHandler]: Possible shadowing of function index [2024-11-10 11:05:33,961 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 11:05:34,217 INFO L204 MainTranslator]: Completed translation [2024-11-10 11:05:34,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34 WrapperNode [2024-11-10 11:05:34,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 11:05:34,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 11:05:34,220 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 11:05:34,220 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 11:05:34,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34" (1/1) ... [2024-11-10 11:05:34,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34" (1/1) ... [2024-11-10 11:05:34,382 INFO L138 Inliner]: procedures = 687, calls = 1963, calls flagged for inlining = 61, calls inlined = 11, statements flattened = 791 [2024-11-10 11:05:34,383 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 11:05:34,383 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 11:05:34,383 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 11:05:34,384 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 11:05:34,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34" (1/1) ... [2024-11-10 11:05:34,404 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34" (1/1) ... [2024-11-10 11:05:34,419 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34" (1/1) ... [2024-11-10 11:05:34,546 INFO L175 MemorySlicer]: Split 355 memory accesses to 8 slices as follows [238, 2, 5, 81, 7, 3, 5, 14]. 67 percent of accesses are in the largest equivalence class. The 19 initializations are split as follows [6, 2, 0, 5, 0, 1, 0, 5]. The 258 writes are split as follows [232, 0, 2, 17, 2, 1, 2, 2]. [2024-11-10 11:05:34,547 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34" (1/1) ... [2024-11-10 11:05:34,547 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34" (1/1) ... [2024-11-10 11:05:34,588 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34" (1/1) ... [2024-11-10 11:05:34,590 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34" (1/1) ... [2024-11-10 11:05:34,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34" (1/1) ... [2024-11-10 11:05:34,619 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34" (1/1) ... [2024-11-10 11:05:34,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 11:05:34,641 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 11:05:34,641 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 11:05:34,641 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 11:05:34,643 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34" (1/1) ... [2024-11-10 11:05:34,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 11:05:34,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:05:34,731 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 11:05:34,752 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 11:05:34,852 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-10 11:05:34,852 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-10 11:05:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 11:05:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-10 11:05:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-10 11:05:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-10 11:05:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-10 11:05:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-10 11:05:34,853 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-10 11:05:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-10 11:05:34,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-10 11:05:34,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-10 11:05:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-10 11:05:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-10 11:05:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-10 11:05:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#6 [2024-11-10 11:05:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#7 [2024-11-10 11:05:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 11:05:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 11:05:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 11:05:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-10 11:05:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-10 11:05:34,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-10 11:05:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-10 11:05:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-10 11:05:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-10 11:05:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-10 11:05:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-10 11:05:34,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-10 11:05:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 11:05:34,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 11:05:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-10 11:05:34,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-10 11:05:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-10 11:05:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-10 11:05:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-10 11:05:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-10 11:05:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2024-11-10 11:05:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2024-11-10 11:05:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 11:05:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 11:05:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-10 11:05:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-10 11:05:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure assert_byte_from_buffer_matches [2024-11-10 11:05:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure assert_byte_from_buffer_matches [2024-11-10 11:05:34,858 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-10 11:05:34,858 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-10 11:05:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-10 11:05:34,859 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-10 11:05:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-10 11:05:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-10 11:05:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-10 11:05:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-10 11:05:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-10 11:05:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-10 11:05:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#6 [2024-11-10 11:05:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#7 [2024-11-10 11:05:34,859 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-10 11:05:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-10 11:05:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-10 11:05:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-10 11:05:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-10 11:05:34,861 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-10 11:05:34,861 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 11:05:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-10 11:05:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-10 11:05:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-10 11:05:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-10 11:05:34,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-10 11:05:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-10 11:05:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2024-11-10 11:05:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2024-11-10 11:05:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-10 11:05:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-10 11:05:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-10 11:05:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-10 11:05:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-10 11:05:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-10 11:05:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2024-11-10 11:05:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2024-11-10 11:05:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-10 11:05:34,863 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-10 11:05:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-10 11:05:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-10 11:05:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 11:05:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 11:05:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 11:05:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-10 11:05:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-10 11:05:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-10 11:05:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-10 11:05:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-10 11:05:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-10 11:05:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-10 11:05:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-10 11:05:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-10 11:05:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 11:05:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 11:05:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 11:05:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-10 11:05:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-10 11:05:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-10 11:05:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-10 11:05:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-10 11:05:35,286 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 11:05:35,291 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 11:05:35,343 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc #t~malloc583.base, #t~malloc583.offset; [2024-11-10 11:05:35,376 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L263: havoc #t~nondet6; [2024-11-10 11:05:35,409 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2590: havoc #t~ret57#1; [2024-11-10 11:05:35,440 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L6937: havoc #t~ret587;havoc #t~ite589.base, #t~ite589.offset;havoc #t~ret588.base, #t~ret588.offset; [2024-11-10 11:05:35,539 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8239: havoc aws_priority_queue_backpointers_valid_#t~ret876#1;havoc aws_priority_queue_backpointers_valid_#t~short877#1; [2024-11-10 11:05:35,609 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L2944: call ULTIMATE.dealloc(~#required_size~0.base, ~#required_size~0.offset);havoc ~#required_size~0.base, ~#required_size~0.offset; [2024-11-10 11:05:35,613 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L261: havoc #t~nondet4; [2024-11-10 11:05:35,632 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L8153: havoc ~node~1.base, ~node~1.offset; [2024-11-10 11:05:42,874 INFO L? ?]: Removed 186 outVars from TransFormulas that were not future-live. [2024-11-10 11:05:42,875 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 11:05:42,903 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 11:05:42,904 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 11:05:42,904 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:05:42 BoogieIcfgContainer [2024-11-10 11:05:42,904 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 11:05:42,908 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 11:05:42,910 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 11:05:42,913 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 11:05:42,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 11:05:31" (1/3) ... [2024-11-10 11:05:42,915 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f0f944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:05:42, skipping insertion in model container [2024-11-10 11:05:42,915 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:05:34" (2/3) ... [2024-11-10 11:05:42,917 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62f0f944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 11:05:42, skipping insertion in model container [2024-11-10 11:05:42,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 11:05:42" (3/3) ... [2024-11-10 11:05:42,918 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_swap_harness_negated.i [2024-11-10 11:05:42,938 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 11:05:42,939 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-10 11:05:43,025 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 11:05:43,031 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;@51e0769, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 11:05:43,032 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-10 11:05:43,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 220 states, 142 states have (on average 1.2183098591549295) internal successors, (173), 143 states have internal predecessors, (173), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-10 11:05:43,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 11:05:43,063 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:05:43,064 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 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] [2024-11-10 11:05:43,066 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:05:43,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:05:43,074 INFO L85 PathProgramCache]: Analyzing trace with hash 200978435, now seen corresponding path program 1 times [2024-11-10 11:05:43,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:05:43,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484511510] [2024-11-10 11:05:43,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:05:43,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:05:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:05:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:05:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:05:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:05:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:05:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:05:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:05:49,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:05:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:49,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:05:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:05:50,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:05:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:05:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 11:05:50,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:05:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:05:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 11:05:50,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 11:05:50,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 11:05:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 11:05:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 11:05:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 11:05:50,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 11:05:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 11:05:50,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 11:05:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:05:50,663 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2024-11-10 11:05:50,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:05:50,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484511510] [2024-11-10 11:05:50,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484511510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:05:50,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:05:50,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 11:05:50,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121528439] [2024-11-10 11:05:50,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:05:50,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 11:05:50,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:05:50,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 11:05:50,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 11:05:50,709 INFO L87 Difference]: Start difference. First operand has 220 states, 142 states have (on average 1.2183098591549295) internal successors, (173), 143 states have internal predecessors, (173), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 11:05:54,793 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 [] [2024-11-10 11:05:59,186 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 [] [2024-11-10 11:06:05,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:06:05,236 INFO L93 Difference]: Finished difference Result 442 states and 629 transitions. [2024-11-10 11:06:05,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 11:06:05,240 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 142 [2024-11-10 11:06:05,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:06:05,251 INFO L225 Difference]: With dead ends: 442 [2024-11-10 11:06:05,252 INFO L226 Difference]: Without dead ends: 240 [2024-11-10 11:06:05,256 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-10 11:06:05,260 INFO L432 NwaCegarLoop]: 175 mSDtfsCounter, 169 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 320 mSolverCounterSat, 143 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 465 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 143 IncrementalHoareTripleChecker+Valid, 320 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.9s IncrementalHoareTripleChecker+Time [2024-11-10 11:06:05,260 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 295 Invalid, 465 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [143 Valid, 320 Invalid, 2 Unknown, 0 Unchecked, 13.9s Time] [2024-11-10 11:06:05,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-11-10 11:06:05,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 214. [2024-11-10 11:06:05,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 214 states, 137 states have (on average 1.2043795620437956) internal successors, (165), 138 states have internal predecessors, (165), 59 states have call successors, (59), 17 states have call predecessors, (59), 17 states have return successors, (58), 58 states have call predecessors, (58), 58 states have call successors, (58) [2024-11-10 11:06:05,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 214 states and 282 transitions. [2024-11-10 11:06:05,337 INFO L78 Accepts]: Start accepts. Automaton has 214 states and 282 transitions. Word has length 142 [2024-11-10 11:06:05,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:06:05,340 INFO L471 AbstractCegarLoop]: Abstraction has 214 states and 282 transitions. [2024-11-10 11:06:05,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-10 11:06:05,341 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 282 transitions. [2024-11-10 11:06:05,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-10 11:06:05,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:06:05,349 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 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] [2024-11-10 11:06:05,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 11:06:05,350 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:06:05,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:06:05,352 INFO L85 PathProgramCache]: Analyzing trace with hash -248066558, now seen corresponding path program 1 times [2024-11-10 11:06:05,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:06:05,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842413477] [2024-11-10 11:06:05,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:06:05,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:06:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:06:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:06:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:06:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:06:13,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:06:13,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:06:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:06:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:06:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:06:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:06:13,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:06:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:06:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 11:06:13,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:06:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:13,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:06:13,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:14,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 11:06:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:14,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 11:06:14,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:14,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 11:06:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:14,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 11:06:14,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:14,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 11:06:14,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:14,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 11:06:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:14,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 11:06:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:14,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 11:06:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:14,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 11:06:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:14,806 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2024-11-10 11:06:14,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:06:14,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842413477] [2024-11-10 11:06:14,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842413477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 11:06:14,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 11:06:14,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-10 11:06:14,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884084010] [2024-11-10 11:06:14,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 11:06:14,809 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-10 11:06:14,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 11:06:14,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-10 11:06:14,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-10 11:06:14,812 INFO L87 Difference]: Start difference. First operand 214 states and 282 transitions. Second operand has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 11:06:18,886 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 [] [2024-11-10 11:06:23,272 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 11:06:41,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 11:06:41,679 INFO L93 Difference]: Finished difference Result 250 states and 334 transitions. [2024-11-10 11:06:41,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-10 11:06:41,680 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) Word has length 142 [2024-11-10 11:06:41,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 11:06:41,685 INFO L225 Difference]: With dead ends: 250 [2024-11-10 11:06:41,685 INFO L226 Difference]: Without dead ends: 248 [2024-11-10 11:06:41,686 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2024-11-10 11:06:41,687 INFO L432 NwaCegarLoop]: 185 mSDtfsCounter, 180 mSDsluCounter, 649 mSDsCounter, 0 mSdLazyCounter, 986 mSolverCounterSat, 139 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 834 SdHoareTripleChecker+Invalid, 1127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 986 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.3s IncrementalHoareTripleChecker+Time [2024-11-10 11:06:41,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 834 Invalid, 1127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 986 Invalid, 2 Unknown, 0 Unchecked, 24.3s Time] [2024-11-10 11:06:41,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-11-10 11:06:41,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 221. [2024-11-10 11:06:41,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 141 states have (on average 1.198581560283688) internal successors, (169), 143 states have internal predecessors, (169), 60 states have call successors, (60), 18 states have call predecessors, (60), 19 states have return successors, (62), 59 states have call predecessors, (62), 59 states have call successors, (62) [2024-11-10 11:06:41,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 291 transitions. [2024-11-10 11:06:41,731 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 291 transitions. Word has length 142 [2024-11-10 11:06:41,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 11:06:41,732 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 291 transitions. [2024-11-10 11:06:41,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.857142857142857) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-10 11:06:41,732 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 291 transitions. [2024-11-10 11:06:41,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2024-11-10 11:06:41,743 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 11:06:41,744 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 7, 7, 7, 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] [2024-11-10 11:06:41,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 11:06:41,745 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-10 11:06:41,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 11:06:41,745 INFO L85 PathProgramCache]: Analyzing trace with hash -1550282082, now seen corresponding path program 1 times [2024-11-10 11:06:41,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 11:06:41,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837141013] [2024-11-10 11:06:41,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:06:41,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 11:06:46,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:06:48,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-10 11:06:48,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-10 11:06:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-10 11:06:48,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-10 11:06:48,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-10 11:06:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-10 11:06:48,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-10 11:06:48,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-10 11:06:48,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-10 11:06:48,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:06:48,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:06:48,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-10 11:06:48,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-10 11:06:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:48,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-10 11:06:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:49,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-10 11:06:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:50,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-10 11:06:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:50,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-10 11:06:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:50,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-10 11:06:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:50,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-11-10 11:06:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:50,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-11-10 11:06:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:50,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-11-10 11:06:50,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:50,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2024-11-10 11:06:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:50,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-10 11:06:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:50,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 11:06:50,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 11:06:50,991 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2024-11-10 11:06:50,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 11:06:50,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837141013] [2024-11-10 11:06:50,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837141013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 11:06:50,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949840177] [2024-11-10 11:06:50,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 11:06:50,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 11:06:50,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 11:06:50,995 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 11:06:50,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process