./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8be7027f 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_sift_up_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 08:57:18,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 08:57:19,056 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-12 08:57:19,060 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 08:57:19,060 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 08:57:19,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 08:57:19,087 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 08:57:19,088 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 08:57:19,088 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 08:57:19,091 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 08:57:19,091 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 08:57:19,091 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 08:57:19,093 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 08:57:19,093 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 08:57:19,094 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 08:57:19,094 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 08:57:19,094 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 08:57:19,094 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 08:57:19,095 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 08:57:19,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 08:57:19,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 08:57:19,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 08:57:19,096 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 08:57:19,097 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 08:57:19,097 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 08:57:19,097 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 08:57:19,097 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 08:57:19,097 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 08:57:19,098 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 08:57:19,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:57:19,098 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 08:57:19,099 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 08:57:19,099 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 08:57:19,099 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 08:57:19,100 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 08:57:19,100 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 08:57:19,100 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 08:57:19,100 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 08:57:19,100 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 08:57:19,101 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9f01133064e8d36e68b9f85134d72a09d965175ad33f2003b7d0ebb14c50d01e [2024-11-12 08:57:19,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 08:57:19,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 08:57:19,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 08:57:19,363 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 08:57:19,364 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 08:57:19,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2024-11-12 08:57:19,882 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 08:57:21,658 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 08:57:21,658 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_sift_up_harness.i [2024-11-12 08:57:21,709 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7121b824/32a94eb75ac34d54a0cb377b447e2046/FLAGab21ab0b4 [2024-11-12 08:57:21,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c7121b824/32a94eb75ac34d54a0cb377b447e2046 [2024-11-12 08:57:21,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 08:57:21,823 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 08:57:21,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 08:57:21,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 08:57:21,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 08:57:21,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:57:21" (1/1) ... [2024-11-12 08:57:21,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2216d3cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:21, skipping insertion in model container [2024-11-12 08:57:21,831 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:57:21" (1/1) ... [2024-11-12 08:57:21,913 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 08:57:22,148 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_sift_up_harness.i[4502,4515] [2024-11-12 08:57:22,155 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_sift_up_harness.i[4562,4575] [2024-11-12 08:57:22,649 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:22,652 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:22,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:22,653 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:22,654 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:22,666 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:22,667 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:22,668 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:22,668 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:22,670 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:22,675 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:22,675 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:22,676 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,024 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,024 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,032 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,041 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,108 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,109 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,110 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,110 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,110 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,110 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,111 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,112 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,113 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,116 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,116 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,117 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,118 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,121 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,123 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,129 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,130 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,130 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,147 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:57:23,192 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 08:57:23,207 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_sift_up_harness.i[4502,4515] [2024-11-12 08:57:23,213 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_sift_up_harness.i[4562,4575] [2024-11-12 08:57:23,250 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,251 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,252 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,256 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,257 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,258 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,258 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,259 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,333 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,336 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,338 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,344 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,350 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7776-7787] [2024-11-12 08:57:23,371 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,372 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,373 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,374 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,375 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,375 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,375 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,376 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,377 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,379 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,379 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,383 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,384 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,385 WARN L1674 CHandler]: Possible shadowing of function index [2024-11-12 08:57:23,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 08:57:23,678 INFO L204 MainTranslator]: Completed translation [2024-11-12 08:57:23,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23 WrapperNode [2024-11-12 08:57:23,679 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 08:57:23,680 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 08:57:23,680 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 08:57:23,680 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 08:57:23,687 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23" (1/1) ... [2024-11-12 08:57:23,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23" (1/1) ... [2024-11-12 08:57:23,860 INFO L138 Inliner]: procedures = 686, calls = 1900, calls flagged for inlining = 60, calls inlined = 14, statements flattened = 850 [2024-11-12 08:57:23,861 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 08:57:23,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 08:57:23,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 08:57:23,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 08:57:23,874 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23" (1/1) ... [2024-11-12 08:57:23,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23" (1/1) ... [2024-11-12 08:57:23,881 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23" (1/1) ... [2024-11-12 08:57:23,961 INFO L175 MemorySlicer]: Split 333 memory accesses to 6 slices as follows [238, 2, 18, 3, 7, 65]. 71 percent of accesses are in the largest equivalence class. The 16 initializations are split as follows [6, 2, 5, 1, 2, 0]. The 257 writes are split as follows [232, 0, 6, 1, 1, 17]. [2024-11-12 08:57:23,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23" (1/1) ... [2024-11-12 08:57:23,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23" (1/1) ... [2024-11-12 08:57:24,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23" (1/1) ... [2024-11-12 08:57:24,012 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23" (1/1) ... [2024-11-12 08:57:24,027 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23" (1/1) ... [2024-11-12 08:57:24,036 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23" (1/1) ... [2024-11-12 08:57:24,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 08:57:24,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 08:57:24,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 08:57:24,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 08:57:24,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23" (1/1) ... [2024-11-12 08:57:24,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 08:57:24,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:57:24,089 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) [2024-11-12 08:57:24,097 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 [2024-11-12 08:57:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure s_swap [2024-11-12 08:57:24,132 INFO L138 BoogieDeclarations]: Found implementation of procedure s_swap [2024-11-12 08:57:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-11-12 08:57:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-11-12 08:57:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 08:57:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-11-12 08:57:24,133 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-11-12 08:57:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-11-12 08:57:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-11-12 08:57:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-11-12 08:57:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-11-12 08:57:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure s_sift_up [2024-11-12 08:57:24,134 INFO L138 BoogieDeclarations]: Found implementation of procedure s_sift_up [2024-11-12 08:57:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-11-12 08:57:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-11-12 08:57:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-11-12 08:57:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-11-12 08:57:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-11-12 08:57:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#5 [2024-11-12 08:57:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 08:57:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 08:57:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-12 08:57:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-12 08:57:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-12 08:57:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-12 08:57:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-11-12 08:57:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 08:57:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure my_abort [2024-11-12 08:57:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure my_abort [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_impl [2024-11-12 08:57:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_impl [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 08:57:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-11-12 08:57:24,137 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-11-12 08:57:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-11-12 08:57:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-11-12 08:57:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-11-12 08:57:24,138 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-11-12 08:57:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-11-12 08:57:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-11-12 08:57:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-11-12 08:57:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-11-12 08:57:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-11-12 08:57:24,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#5 [2024-11-12 08:57:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-11-12 08:57:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-11-12 08:57:24,139 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-11-12 08:57:24,139 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-11-12 08:57:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-11-12 08:57:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-11-12 08:57:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-12 08:57:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-12 08:57:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-11-12 08:57:24,140 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-11-12 08:57:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 08:57:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-12 08:57:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-11-12 08:57:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-11-12 08:57:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-11-12 08:57:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-11-12 08:57:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2024-11-12 08:57:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-12 08:57:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-11-12 08:57:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-11-12 08:57:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-11-12 08:57:24,142 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-11-12 08:57:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2024-11-12 08:57:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at_ptr [2024-11-12 08:57:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at_ptr [2024-11-12 08:57:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-11-12 08:57:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-11-12 08:57:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-11-12 08:57:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-11-12 08:57:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 08:57:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 08:57:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-12 08:57:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-12 08:57:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-12 08:57:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-12 08:57:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:57:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-11-12 08:57:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_backpointer_index_valid [2024-11-12 08:57:24,143 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_backpointer_index_valid [2024-11-12 08:57:24,143 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-12 08:57:24,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2024-11-12 08:57:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 08:57:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 08:57:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-12 08:57:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-12 08:57:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-12 08:57:24,144 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-12 08:57:24,466 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 08:57:24,469 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 08:57:30,748 INFO L? ?]: Removed 197 outVars from TransFormulas that were not future-live. [2024-11-12 08:57:30,748 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 08:57:30,771 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 08:57:30,772 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-11-12 08:57:30,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:57:30 BoogieIcfgContainer [2024-11-12 08:57:30,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 08:57:30,774 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 08:57:30,774 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 08:57:30,778 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 08:57:30,778 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:57:21" (1/3) ... [2024-11-12 08:57:30,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760e997b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:57:30, skipping insertion in model container [2024-11-12 08:57:30,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:57:23" (2/3) ... [2024-11-12 08:57:30,779 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@760e997b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:57:30, skipping insertion in model container [2024-11-12 08:57:30,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:57:30" (3/3) ... [2024-11-12 08:57:30,781 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_sift_up_harness.i [2024-11-12 08:57:30,794 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 08:57:30,794 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-12 08:57:30,879 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 08:57:30,885 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;@87c6c41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 08:57:30,885 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-12 08:57:30,891 INFO L276 IsEmpty]: Start isEmpty. Operand has 326 states, 197 states have (on average 1.233502538071066) internal successors, (243), 200 states have internal predecessors, (243), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) [2024-11-12 08:57:30,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-12 08:57:30,904 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:57:30,905 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:57:30,905 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:57:30,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:57:30,912 INFO L85 PathProgramCache]: Analyzing trace with hash -816215905, now seen corresponding path program 1 times [2024-11-12 08:57:30,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:57:30,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368918714] [2024-11-12 08:57:30,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:57:30,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:57:35,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:35,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:57:35,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:57:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:57:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:57:36,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:57:36,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:57:36,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:57:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:57:36,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:57:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:57:36,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:57:36,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:57:36,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:57:36,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:57:36,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:57:36,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:57:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:57:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:57:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 08:57:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 08:57:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 08:57:36,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 08:57:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 08:57:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:57:36,732 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2024-11-12 08:57:36,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:57:36,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368918714] [2024-11-12 08:57:36,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368918714] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:57:36,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 08:57:36,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 08:57:36,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659784528] [2024-11-12 08:57:36,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:57:36,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 08:57:36,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:57:36,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 08:57:36,761 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 08:57:36,764 INFO L87 Difference]: Start difference. First operand has 326 states, 197 states have (on average 1.233502538071066) internal successors, (243), 200 states have internal predecessors, (243), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (102), 102 states have call predecessors, (102), 102 states have call successors, (102) Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-12 08:57:40,840 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 [] [2024-11-12 08:57:45,236 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 [] [2024-11-12 08:57:57,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:57:57,862 INFO L93 Difference]: Finished difference Result 743 states and 1177 transitions. [2024-11-12 08:57:57,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 08:57:57,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 137 [2024-11-12 08:57:57,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:57:57,883 INFO L225 Difference]: With dead ends: 743 [2024-11-12 08:57:57,883 INFO L226 Difference]: Without dead ends: 435 [2024-11-12 08:57:57,891 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 08:57:57,894 INFO L435 NwaCegarLoop]: 190 mSDtfsCounter, 275 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 390 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 1016 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 390 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.3s IncrementalHoareTripleChecker+Time [2024-11-12 08:57:57,894 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 354 Invalid, 1016 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [390 Valid, 624 Invalid, 2 Unknown, 0 Unchecked, 20.3s Time] [2024-11-12 08:57:57,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2024-11-12 08:57:57,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 319. [2024-11-12 08:57:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 192 states have (on average 1.1979166666666667) internal successors, (230), 194 states have internal predecessors, (230), 102 states have call successors, (102), 24 states have call predecessors, (102), 23 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-12 08:57:57,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 432 transitions. [2024-11-12 08:57:57,996 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 432 transitions. Word has length 137 [2024-11-12 08:57:57,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:57:57,998 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 432 transitions. [2024-11-12 08:57:57,999 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (23), 4 states have call predecessors, (23), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-11-12 08:57:57,999 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 432 transitions. [2024-11-12 08:57:58,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-12 08:57:58,005 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:57:58,006 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:57:58,006 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 08:57:58,006 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:57:58,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:57:58,007 INFO L85 PathProgramCache]: Analyzing trace with hash 151566553, now seen corresponding path program 1 times [2024-11-12 08:57:58,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:57:58,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197693957] [2024-11-12 08:57:58,008 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:57:58,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:58:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:58:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:58:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:58:03,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:58:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:58:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:58:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:58:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:58:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:58:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:58:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:58:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:58:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:58:03,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:58:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:03,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:58:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:04,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:58:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:04,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-12 08:58:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:04,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-11-12 08:58:04,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:04,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-11-12 08:58:04,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:04,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-11-12 08:58:04,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:04,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-12 08:58:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:04,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-11-12 08:58:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:04,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-11-12 08:58:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-12 08:58:04,560 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:58:04,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197693957] [2024-11-12 08:58:04,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197693957] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:58:04,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1663487987] [2024-11-12 08:58:04,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:58:04,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:58:04,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:58:04,567 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) [2024-11-12 08:58:04,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 08:58:09,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:09,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 4433 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-12 08:58:09,737 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:58:11,543 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-12 08:58:11,543 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 08:58:11,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1663487987] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:58:11,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 08:58:11,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2024-11-12 08:58:11,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128455223] [2024-11-12 08:58:11,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:58:11,545 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 08:58:11,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:58:11,546 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 08:58:11,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-11-12 08:58:11,546 INFO L87 Difference]: Start difference. First operand 319 states and 432 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-12 08:58:14,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:58:14,601 INFO L93 Difference]: Finished difference Result 592 states and 806 transitions. [2024-11-12 08:58:14,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 08:58:14,603 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 137 [2024-11-12 08:58:14,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:58:14,608 INFO L225 Difference]: With dead ends: 592 [2024-11-12 08:58:14,608 INFO L226 Difference]: Without dead ends: 321 [2024-11-12 08:58:14,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-12 08:58:14,610 INFO L435 NwaCegarLoop]: 386 mSDtfsCounter, 434 mSDsluCounter, 1121 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 438 SdHoareTripleChecker+Valid, 1507 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-12 08:58:14,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [438 Valid, 1507 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-12 08:58:14,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-12 08:58:14,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2024-11-12 08:58:14,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 193 states have (on average 1.1968911917098446) internal successors, (231), 196 states have internal predecessors, (231), 102 states have call successors, (102), 24 states have call predecessors, (102), 24 states have return successors, (104), 100 states have call predecessors, (104), 100 states have call successors, (104) [2024-11-12 08:58:14,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 437 transitions. [2024-11-12 08:58:14,652 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 437 transitions. Word has length 137 [2024-11-12 08:58:14,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:58:14,654 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 437 transitions. [2024-11-12 08:58:14,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2024-11-12 08:58:14,655 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 437 transitions. [2024-11-12 08:58:14,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-12 08:58:14,659 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:58:14,659 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:58:14,685 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 08:58:14,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:58:14,861 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:58:14,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:58:14,861 INFO L85 PathProgramCache]: Analyzing trace with hash 2041471789, now seen corresponding path program 1 times [2024-11-12 08:58:14,861 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:58:14,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607264106] [2024-11-12 08:58:14,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:58:14,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:58:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:58:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:58:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:58:20,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:58:20,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:58:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:58:20,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:58:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:58:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:58:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:58:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:58:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:58:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:58:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:58:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:20,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:58:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:21,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:58:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:21,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:58:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:22,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-12 08:58:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:22,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-12 08:58:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:22,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-12 08:58:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:22,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-11-12 08:58:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:22,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-11-12 08:58:22,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:22,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-11-12 08:58:22,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:22,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-12 08:58:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:22,151 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-12 08:58:22,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:58:22,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607264106] [2024-11-12 08:58:22,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607264106] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:58:22,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897043834] [2024-11-12 08:58:22,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:58:22,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:58:22,156 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:58:22,162 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 08:58:22,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 08:58:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:27,080 INFO L256 TraceCheckSpWp]: Trace formula consists of 4483 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 08:58:27,088 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:58:29,943 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-12 08:58:29,943 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 08:58:29,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897043834] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:58:29,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 08:58:29,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 15 [2024-11-12 08:58:29,944 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824307113] [2024-11-12 08:58:29,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:58:29,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-12 08:58:29,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:58:29,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-12 08:58:29,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-12 08:58:29,945 INFO L87 Difference]: Start difference. First operand 321 states and 437 transitions. Second operand has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-12 08:58:36,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 08:58:36,445 INFO L93 Difference]: Finished difference Result 615 states and 853 transitions. [2024-11-12 08:58:36,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-12 08:58:36,446 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 145 [2024-11-12 08:58:36,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 08:58:36,449 INFO L225 Difference]: With dead ends: 615 [2024-11-12 08:58:36,449 INFO L226 Difference]: Without dead ends: 342 [2024-11-12 08:58:36,451 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2024-11-12 08:58:36,454 INFO L435 NwaCegarLoop]: 371 mSDtfsCounter, 482 mSDsluCounter, 1790 mSDsCounter, 0 mSdLazyCounter, 368 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 495 SdHoareTripleChecker+Valid, 2161 SdHoareTripleChecker+Invalid, 412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2024-11-12 08:58:36,457 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [495 Valid, 2161 Invalid, 412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 368 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2024-11-12 08:58:36,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2024-11-12 08:58:36,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 340. [2024-11-12 08:58:36,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 340 states, 209 states have (on average 1.2105263157894737) internal successors, (253), 212 states have internal predecessors, (253), 104 states have call successors, (104), 24 states have call predecessors, (104), 25 states have return successors, (117), 103 states have call predecessors, (117), 102 states have call successors, (117) [2024-11-12 08:58:36,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 474 transitions. [2024-11-12 08:58:36,529 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 474 transitions. Word has length 145 [2024-11-12 08:58:36,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 08:58:36,531 INFO L471 AbstractCegarLoop]: Abstraction has 340 states and 474 transitions. [2024-11-12 08:58:36,531 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.125) internal successors, (57), 8 states have internal predecessors, (57), 4 states have call successors, (24), 2 states have call predecessors, (24), 4 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2024-11-12 08:58:36,531 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 474 transitions. [2024-11-12 08:58:36,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-12 08:58:36,535 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 08:58:36,535 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 08:58:36,560 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-12 08:58:36,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-12 08:58:36,736 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [my_abortErr0ASSERT_VIOLATIONERROR_FUNCTION, __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-12 08:58:36,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 08:58:36,739 INFO L85 PathProgramCache]: Analyzing trace with hash -183154586, now seen corresponding path program 1 times [2024-11-12 08:58:36,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 08:58:36,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206752881] [2024-11-12 08:58:36,739 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:58:36,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 08:58:40,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:41,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:58:41,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:41,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-12 08:58:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:41,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-12 08:58:41,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:42,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-12 08:58:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:42,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-12 08:58:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:42,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-12 08:58:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:42,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-12 08:58:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:42,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-12 08:58:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:42,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-12 08:58:42,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:42,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-12 08:58:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:42,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:58:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:42,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:58:42,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:42,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2024-11-12 08:58:42,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:42,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-11-12 08:58:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:42,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 08:58:42,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:42,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-11-12 08:58:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:43,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:58:43,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:43,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 08:58:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:43,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-11-12 08:58:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:43,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-12 08:58:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:43,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2024-11-12 08:58:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:43,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-11-12 08:58:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:43,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-11-12 08:58:43,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:43,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-11-12 08:58:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:43,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-11-12 08:58:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:43,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-11-12 08:58:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-12 08:58:43,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 08:58:43,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206752881] [2024-11-12 08:58:43,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206752881] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 08:58:43,775 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584836519] [2024-11-12 08:58:43,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 08:58:43,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 08:58:43,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 08:58:43,777 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-12 08:58:43,778 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 08:58:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 08:58:48,783 INFO L256 TraceCheckSpWp]: Trace formula consists of 4610 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 08:58:48,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 08:58:50,875 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-11-12 08:58:50,875 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 08:58:50,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [584836519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 08:58:50,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 08:58:50,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2024-11-12 08:58:50,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151645697] [2024-11-12 08:58:50,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 08:58:50,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 08:58:50,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 08:58:50,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 08:58:50,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-12 08:58:50,877 INFO L87 Difference]: Start difference. First operand 340 states and 474 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24)