./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_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 78600a0192aa5022cfa892dc75b9c3e66d227a70dec366d4a7d6798475c28388 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 07:28:43,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 07:28:43,088 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-10-13 07:28:43,092 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 07:28:43,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 07:28:43,123 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 07:28:43,124 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 07:28:43,124 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 07:28:43,124 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 07:28:43,125 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 07:28:43,125 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 07:28:43,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 07:28:43,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 07:28:43,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 07:28:43,127 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 07:28:43,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 07:28:43,128 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 07:28:43,128 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 07:28:43,128 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 07:28:43,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 07:28:43,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 07:28:43,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 07:28:43,130 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 07:28:43,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 07:28:43,130 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 07:28:43,131 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 07:28:43,131 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 07:28:43,131 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 07:28:43,132 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 07:28:43,132 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 07:28:43,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 07:28:43,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 07:28:43,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 07:28:43,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 07:28:43,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 07:28:43,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 07:28:43,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 07:28:43,135 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 07:28:43,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 07:28:43,135 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78600a0192aa5022cfa892dc75b9c3e66d227a70dec366d4a7d6798475c28388 [2024-10-13 07:28:43,402 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 07:28:43,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 07:28:43,430 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 07:28:43,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 07:28:43,432 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 07:28:43,434 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i [2024-10-13 07:28:44,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 07:28:45,407 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 07:28:45,408 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/aws-c-common/aws_priority_queue_s_remove_node_harness.i [2024-10-13 07:28:45,445 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/713f88d5c/ffe3aa2473c14818bc1dadb3dd3c4b60/FLAGe9176357e [2024-10-13 07:28:45,489 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/713f88d5c/ffe3aa2473c14818bc1dadb3dd3c4b60 [2024-10-13 07:28:45,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 07:28:45,493 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 07:28:45,495 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 07:28:45,495 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 07:28:45,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 07:28:45,501 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:28:45" (1/1) ... [2024-10-13 07:28:45,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43582f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:45, skipping insertion in model container [2024-10-13 07:28:45,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:28:45" (1/1) ... [2024-10-13 07:28:45,598 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 07:28:45,929 WARN L248 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_remove_node_harness.i[4506,4519] [2024-10-13 07:28:45,937 WARN L248 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_remove_node_harness.i[4566,4579] [2024-10-13 07:28:46,883 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:46,884 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:46,885 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:46,886 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:46,887 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:46,902 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:46,903 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:46,905 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:46,905 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:46,907 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:46,908 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:46,909 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:46,910 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,387 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,394 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,474 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,475 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,476 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,476 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,476 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,477 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,477 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,478 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,479 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,479 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,479 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,480 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,480 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,483 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,484 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,484 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,485 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,488 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,488 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,494 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,495 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,496 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,506 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,511 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,512 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,512 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,513 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,514 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:28:47,558 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 07:28:47,577 WARN L248 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_remove_node_harness.i[4506,4519] [2024-10-13 07:28:47,582 WARN L248 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_remove_node_harness.i[4566,4579] [2024-10-13 07:28:47,626 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,630 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,632 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,633 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,634 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,641 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,642 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,643 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,644 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,645 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,646 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,647 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,647 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,733 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,738 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,745 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7818-7829] [2024-10-13 07:28:47,771 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,773 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,774 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,774 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,774 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,775 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,775 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,776 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,776 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,777 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,777 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,777 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,777 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,778 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,778 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,779 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,779 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,781 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,781 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,791 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,791 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,792 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,796 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,802 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,804 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,804 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,804 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,806 WARN L1659 CHandler]: Possible shadowing of function index [2024-10-13 07:28:47,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 07:28:47,961 INFO L204 MainTranslator]: Completed translation [2024-10-13 07:28:47,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47 WrapperNode [2024-10-13 07:28:47,962 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 07:28:47,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 07:28:47,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 07:28:47,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 07:28:47,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47" (1/1) ... [2024-10-13 07:28:48,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47" (1/1) ... [2024-10-13 07:28:48,233 INFO L138 Inliner]: procedures = 688, calls = 1962, calls flagged for inlining = 59, calls inlined = 9, statements flattened = 744 [2024-10-13 07:28:48,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 07:28:48,238 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 07:28:48,238 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 07:28:48,238 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 07:28:48,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47" (1/1) ... [2024-10-13 07:28:48,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47" (1/1) ... [2024-10-13 07:28:48,272 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47" (1/1) ... [2024-10-13 07:28:48,374 INFO L175 MemorySlicer]: Split 354 memory accesses to 5 slices as follows [2, 3, 15, 260, 74]. 73 percent of accesses are in the largest equivalence class. The 255 initializations are split as follows [2, 1, 0, 241, 11]. The 30 writes are split as follows [0, 1, 13, 10, 6]. [2024-10-13 07:28:48,375 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47" (1/1) ... [2024-10-13 07:28:48,375 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47" (1/1) ... [2024-10-13 07:28:48,422 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47" (1/1) ... [2024-10-13 07:28:48,431 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47" (1/1) ... [2024-10-13 07:28:48,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47" (1/1) ... [2024-10-13 07:28:48,458 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47" (1/1) ... [2024-10-13 07:28:48,474 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 07:28:48,475 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 07:28:48,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 07:28:48,476 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 07:28:48,479 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47" (1/1) ... [2024-10-13 07:28:48,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 07:28:48,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:28:48,516 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) [2024-10-13 07:28:48,523 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 [2024-10-13 07:28:48,579 INFO L130 BoogieDeclarations]: Found specification of procedure aws_is_mem_zeroed [2024-10-13 07:28:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_is_mem_zeroed [2024-10-13 07:28:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 07:28:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_bounded [2024-10-13 07:28:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_bounded [2024-10-13 07:28:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_is_valid [2024-10-13 07:28:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_is_valid [2024-10-13 07:28:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_bool [2024-10-13 07:28:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_bool [2024-10-13 07:28:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#0 [2024-10-13 07:28:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#1 [2024-10-13 07:28:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#2 [2024-10-13 07:28:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#3 [2024-10-13 07:28:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int#4 [2024-10-13 07:28:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 07:28:48,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 07:28:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-10-13 07:28:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-10-13 07:28:48,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-10-13 07:28:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure aws_raise_error [2024-10-13 07:28:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_raise_error [2024-10-13 07:28:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-13 07:28:48,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-13 07:28:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-13 07:28:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 07:28:48,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2024-10-13 07:28:48,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2024-10-13 07:28:48,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2024-10-13 07:28:48,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2024-10-13 07:28:48,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2024-10-13 07:28:48,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 07:28:48,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 07:28:48,586 INFO L130 BoogieDeclarations]: Found specification of procedure bounded_malloc [2024-10-13 07:28:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure bounded_malloc [2024-10-13 07:28:48,586 INFO L130 BoogieDeclarations]: Found specification of procedure nondet_size_t [2024-10-13 07:28:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure nondet_size_t [2024-10-13 07:28:48,586 INFO L130 BoogieDeclarations]: Found specification of procedure aws_mul_size_checked [2024-10-13 07:28:48,586 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_mul_size_checked [2024-10-13 07:28:48,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#0 [2024-10-13 07:28:48,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#1 [2024-10-13 07:28:48,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#2 [2024-10-13 07:28:48,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#3 [2024-10-13 07:28:48,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$#4 [2024-10-13 07:28:48,587 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_malloc [2024-10-13 07:28:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_malloc [2024-10-13 07:28:48,587 INFO L130 BoogieDeclarations]: Found specification of procedure aws_priority_queue_is_valid [2024-10-13 07:28:48,587 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_priority_queue_is_valid [2024-10-13 07:28:48,588 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_length [2024-10-13 07:28:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_length [2024-10-13 07:28:48,588 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-13 07:28:48,588 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-13 07:28:48,588 INFO L130 BoogieDeclarations]: Found specification of procedure my_memcpy [2024-10-13 07:28:48,589 INFO L138 BoogieDeclarations]: Found implementation of procedure my_memcpy [2024-10-13 07:28:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 07:28:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-10-13 07:28:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2024-10-13 07:28:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2024-10-13 07:28:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2024-10-13 07:28:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2024-10-13 07:28:48,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-10-13 07:28:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2024-10-13 07:28:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2024-10-13 07:28:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2024-10-13 07:28:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2024-10-13 07:28:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure can_fail_allocator [2024-10-13 07:28:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure can_fail_allocator [2024-10-13 07:28:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure __CPROVER_overflow_mult [2024-10-13 07:28:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure __CPROVER_overflow_mult [2024-10-13 07:28:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy_using_uint64_impl [2024-10-13 07:28:48,590 INFO L138 BoogieDeclarations]: Found implementation of procedure memcpy_using_uint64_impl [2024-10-13 07:28:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 07:28:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 07:28:48,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-10-13 07:28:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-10-13 07:28:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-10-13 07:28:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure ensure_array_list_has_allocated_data_member [2024-10-13 07:28:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ensure_array_list_has_allocated_data_member [2024-10-13 07:28:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 07:28:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 07:28:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-10-13 07:28:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-10-13 07:28:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-10-13 07:28:48,591 INFO L130 BoogieDeclarations]: Found specification of procedure aws_array_list_get_at [2024-10-13 07:28:48,591 INFO L138 BoogieDeclarations]: Found implementation of procedure aws_array_list_get_at [2024-10-13 07:28:48,938 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 07:28:48,941 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 07:28:50,032 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live. [2024-10-13 07:28:50,033 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 07:28:50,136 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 07:28:50,138 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-13 07:28:50,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:28:50 BoogieIcfgContainer [2024-10-13 07:28:50,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 07:28:50,141 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 07:28:50,141 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 07:28:50,144 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 07:28:50,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:28:45" (1/3) ... [2024-10-13 07:28:50,145 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3af428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:28:50, skipping insertion in model container [2024-10-13 07:28:50,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:28:47" (2/3) ... [2024-10-13 07:28:50,147 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f3af428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:28:50, skipping insertion in model container [2024-10-13 07:28:50,147 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:28:50" (3/3) ... [2024-10-13 07:28:50,149 INFO L112 eAbstractionObserver]: Analyzing ICFG aws_priority_queue_s_remove_node_harness.i [2024-10-13 07:28:50,166 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 07:28:50,166 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-13 07:28:50,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 07:28:50,251 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;@9fb4d51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 07:28:50,252 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-13 07:28:50,257 INFO L276 IsEmpty]: Start isEmpty. Operand has 227 states, 141 states have (on average 1.3120567375886525) internal successors, (185), 142 states have internal predecessors, (185), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2024-10-13 07:28:50,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-13 07:28:50,278 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:28:50,280 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:28:50,280 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:28:50,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:28:50,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1921428267, now seen corresponding path program 1 times [2024-10-13 07:28:50,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:28:50,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10510478] [2024-10-13 07:28:50,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:28:50,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:28:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:50,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:28:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:50,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:28:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,006 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:28:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 07:28:51,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 07:28:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 07:28:51,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 07:28:51,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 07:28:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 07:28:51,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 07:28:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:28:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:28:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 07:28:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:28:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:28:51,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 07:28:51,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-13 07:28:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-13 07:28:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:28:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 07:28:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 07:28:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 07:28:51,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:28:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:28:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 07:28:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:51,455 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-10-13 07:28:51,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:28:51,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10510478] [2024-10-13 07:28:51,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10510478] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:28:51,457 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 07:28:51,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-13 07:28:51,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950707308] [2024-10-13 07:28:51,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:28:51,464 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 07:28:51,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:28:51,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 07:28:51,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 07:28:51,498 INFO L87 Difference]: Start difference. First operand has 227 states, 141 states have (on average 1.3120567375886525) internal successors, (185), 142 states have internal predecessors, (185), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-13 07:28:53,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:28:53,002 INFO L93 Difference]: Finished difference Result 510 states and 781 transitions. [2024-10-13 07:28:53,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 07:28:53,005 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 129 [2024-10-13 07:28:53,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:28:53,018 INFO L225 Difference]: With dead ends: 510 [2024-10-13 07:28:53,019 INFO L226 Difference]: Without dead ends: 301 [2024-10-13 07:28:53,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-13 07:28:53,031 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 316 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 314 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 317 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 629 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 314 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-10-13 07:28:53,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [317 Valid, 253 Invalid, 629 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [314 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-10-13 07:28:53,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2024-10-13 07:28:53,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 225. [2024-10-13 07:28:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 140 states have (on average 1.2857142857142858) internal successors, (180), 141 states have internal predecessors, (180), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-13 07:28:53,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 309 transitions. [2024-10-13 07:28:53,130 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 309 transitions. Word has length 129 [2024-10-13 07:28:53,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:28:53,131 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 309 transitions. [2024-10-13 07:28:53,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (23), 5 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-13 07:28:53,132 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 309 transitions. [2024-10-13 07:28:53,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-13 07:28:53,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:28:53,136 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:28:53,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 07:28:53,136 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:28:53,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:28:53,137 INFO L85 PathProgramCache]: Analyzing trace with hash -536913071, now seen corresponding path program 1 times [2024-10-13 07:28:53,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:28:53,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716236002] [2024-10-13 07:28:53,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:28:53,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:28:53,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:28:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:28:53,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:28:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 07:28:53,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 07:28:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 07:28:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 07:28:53,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 07:28:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,494 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 07:28:53,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 07:28:53,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:28:53,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:28:53,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 07:28:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:28:53,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:28:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 07:28:53,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-13 07:28:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-13 07:28:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:28:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 07:28:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 07:28:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 07:28:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:28:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:28:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 07:28:53,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:53,765 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-10-13 07:28:53,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:28:53,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716236002] [2024-10-13 07:28:53,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716236002] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:28:53,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667998636] [2024-10-13 07:28:53,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:28:53,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:28:53,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:28:53,769 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) [2024-10-13 07:28:53,770 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 07:28:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:54,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 2362 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-13 07:28:54,336 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:28:54,360 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-10-13 07:28:54,360 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:28:54,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667998636] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:28:54,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:28:54,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 6 [2024-10-13 07:28:54,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596678498] [2024-10-13 07:28:54,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:28:54,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 07:28:54,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:28:54,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 07:28:54,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 07:28:54,363 INFO L87 Difference]: Start difference. First operand 225 states and 309 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-13 07:28:54,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:28:54,504 INFO L93 Difference]: Finished difference Result 429 states and 591 transitions. [2024-10-13 07:28:54,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 07:28:54,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 129 [2024-10-13 07:28:54,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:28:54,508 INFO L225 Difference]: With dead ends: 429 [2024-10-13 07:28:54,508 INFO L226 Difference]: Without dead ends: 226 [2024-10-13 07:28:54,510 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 07:28:54,511 INFO L432 NwaCegarLoop]: 291 mSDtfsCounter, 0 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 578 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 07:28:54,511 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 578 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 07:28:54,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-10-13 07:28:54,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2024-10-13 07:28:54,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 141 states have (on average 1.2836879432624113) internal successors, (181), 142 states have internal predecessors, (181), 65 states have call successors, (65), 19 states have call predecessors, (65), 19 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2024-10-13 07:28:54,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 310 transitions. [2024-10-13 07:28:54,549 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 310 transitions. Word has length 129 [2024-10-13 07:28:54,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:28:54,549 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 310 transitions. [2024-10-13 07:28:54,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2024-10-13 07:28:54,550 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 310 transitions. [2024-10-13 07:28:54,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-13 07:28:54,552 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:28:54,555 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:28:54,581 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 07:28:54,756 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 [2024-10-13 07:28:54,757 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:28:54,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:28:54,757 INFO L85 PathProgramCache]: Analyzing trace with hash 380879829, now seen corresponding path program 1 times [2024-10-13 07:28:54,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:28:54,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [405104662] [2024-10-13 07:28:54,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:28:54,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:28:54,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:28:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:28:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:28:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 07:28:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 07:28:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 07:28:55,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 07:28:55,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 07:28:55,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 07:28:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 07:28:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:28:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:28:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 07:28:55,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:28:55,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:28:55,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 07:28:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-13 07:28:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-13 07:28:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:28:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 07:28:55,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 07:28:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 07:28:55,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:28:55,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:28:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 07:28:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:55,999 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-10-13 07:28:56,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:28:56,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [405104662] [2024-10-13 07:28:56,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [405104662] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:28:56,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [581577075] [2024-10-13 07:28:56,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:28:56,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:28:56,001 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:28:56,003 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) [2024-10-13 07:28:56,004 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 07:28:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:28:56,581 INFO L255 TraceCheckSpWp]: Trace formula consists of 2368 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-10-13 07:28:56,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:28:56,672 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-10-13 07:28:56,673 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 07:28:56,866 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-10-13 07:28:56,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [581577075] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 07:28:56,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 07:28:56,868 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 7] total 10 [2024-10-13 07:28:56,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860579027] [2024-10-13 07:28:56,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 07:28:56,869 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-13 07:28:56,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:28:56,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-13 07:28:56,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-10-13 07:28:56,870 INFO L87 Difference]: Start difference. First operand 226 states and 310 transitions. Second operand has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (31), 5 states have call predecessors, (31), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-13 07:28:59,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:28:59,790 INFO L93 Difference]: Finished difference Result 470 states and 674 transitions. [2024-10-13 07:28:59,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-13 07:28:59,791 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (31), 5 states have call predecessors, (31), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) Word has length 129 [2024-10-13 07:28:59,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:28:59,795 INFO L225 Difference]: With dead ends: 470 [2024-10-13 07:28:59,796 INFO L226 Difference]: Without dead ends: 321 [2024-10-13 07:28:59,799 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 318 GetRequests, 306 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-10-13 07:28:59,800 INFO L432 NwaCegarLoop]: 166 mSDtfsCounter, 243 mSDsluCounter, 740 mSDsCounter, 0 mSdLazyCounter, 1690 mSolverCounterSat, 218 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 906 SdHoareTripleChecker+Invalid, 1908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 218 IncrementalHoareTripleChecker+Valid, 1690 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-13 07:28:59,800 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 906 Invalid, 1908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [218 Valid, 1690 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-13 07:28:59,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-10-13 07:28:59,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 243. [2024-10-13 07:28:59,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 153 states have (on average 1.2810457516339868) internal successors, (196), 154 states have internal predecessors, (196), 69 states have call successors, (69), 19 states have call predecessors, (69), 20 states have return successors, (73), 69 states have call predecessors, (73), 68 states have call successors, (73) [2024-10-13 07:28:59,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 338 transitions. [2024-10-13 07:28:59,842 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 338 transitions. Word has length 129 [2024-10-13 07:28:59,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:28:59,843 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 338 transitions. [2024-10-13 07:28:59,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 5.888888888888889) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (31), 5 states have call predecessors, (31), 3 states have return successors, (24), 4 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-13 07:28:59,843 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 338 transitions. [2024-10-13 07:28:59,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-10-13 07:28:59,848 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:28:59,848 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:28:59,866 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 07:29:00,049 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 [2024-10-13 07:29:00,049 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:29:00,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:29:00,050 INFO L85 PathProgramCache]: Analyzing trace with hash -640188525, now seen corresponding path program 1 times [2024-10-13 07:29:00,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:29:00,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213542342] [2024-10-13 07:29:00,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:29:00,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:29:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:29:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:29:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:29:01,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 07:29:01,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 07:29:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 07:29:01,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 07:29:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 07:29:01,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 07:29:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 07:29:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:29:01,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:29:01,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 07:29:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:29:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:29:01,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 07:29:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-13 07:29:01,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-13 07:29:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,305 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:29:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-10-13 07:29:01,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-13 07:29:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 07:29:01,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:29:01,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,348 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:29:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 07:29:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:01,366 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2024-10-13 07:29:01,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:29:01,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213542342] [2024-10-13 07:29:01,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213542342] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:29:01,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344333861] [2024-10-13 07:29:01,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:29:01,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:29:01,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:29:01,370 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) [2024-10-13 07:29:01,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 07:29:02,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:02,045 INFO L255 TraceCheckSpWp]: Trace formula consists of 2365 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 07:29:02,051 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:29:02,095 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2024-10-13 07:29:02,096 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:29:02,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344333861] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:29:02,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:29:02,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2024-10-13 07:29:02,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032694992] [2024-10-13 07:29:02,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:29:02,097 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 07:29:02,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:29:02,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 07:29:02,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 07:29:02,098 INFO L87 Difference]: Start difference. First operand 243 states and 338 transitions. Second operand has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-13 07:29:02,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:29:02,506 INFO L93 Difference]: Finished difference Result 392 states and 544 transitions. [2024-10-13 07:29:02,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 07:29:02,507 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) Word has length 129 [2024-10-13 07:29:02,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:29:02,511 INFO L225 Difference]: With dead ends: 392 [2024-10-13 07:29:02,511 INFO L226 Difference]: Without dead ends: 228 [2024-10-13 07:29:02,512 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-13 07:29:02,514 INFO L432 NwaCegarLoop]: 278 mSDtfsCounter, 0 mSDsluCounter, 801 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1079 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 07:29:02,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1079 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 07:29:02,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-10-13 07:29:02,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2024-10-13 07:29:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 228 states, 142 states have (on average 1.2746478873239437) internal successors, (181), 144 states have internal predecessors, (181), 65 states have call successors, (65), 19 states have call predecessors, (65), 20 states have return successors, (66), 64 states have call predecessors, (66), 64 states have call successors, (66) [2024-10-13 07:29:02,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 312 transitions. [2024-10-13 07:29:02,548 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 312 transitions. Word has length 129 [2024-10-13 07:29:02,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:29:02,549 INFO L471 AbstractCegarLoop]: Abstraction has 228 states and 312 transitions. [2024-10-13 07:29:02,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.0) internal successors, (48), 5 states have internal predecessors, (48), 3 states have call successors, (23), 2 states have call predecessors, (23), 3 states have return successors, (22), 2 states have call predecessors, (22), 3 states have call successors, (22) [2024-10-13 07:29:02,549 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 312 transitions. [2024-10-13 07:29:02,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-13 07:29:02,551 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:29:02,551 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:29:02,569 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-13 07:29:02,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:29:02,752 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:29:02,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:29:02,753 INFO L85 PathProgramCache]: Analyzing trace with hash 889569257, now seen corresponding path program 1 times [2024-10-13 07:29:02,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:29:02,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664744770] [2024-10-13 07:29:02,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:29:02,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:29:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:29:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:29:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:29:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 07:29:03,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 07:29:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 07:29:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 07:29:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 07:29:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 07:29:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 07:29:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:29:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:29:03,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 07:29:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:29:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:29:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 07:29:03,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2024-10-13 07:29:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2024-10-13 07:29:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:29:03,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:29:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:29:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-13 07:29:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-13 07:29:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-13 07:29:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:29:03,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-13 07:29:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2024-10-13 07:29:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:03,816 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2024-10-13 07:29:03,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:29:03,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664744770] [2024-10-13 07:29:03,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664744770] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:29:03,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604640651] [2024-10-13 07:29:03,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:29:03,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:29:03,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:29:03,819 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 07:29:03,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 07:29:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:04,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 2402 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-10-13 07:29:04,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:29:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2024-10-13 07:29:04,452 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:29:04,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604640651] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:29:04,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:29:04,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 10 [2024-10-13 07:29:04,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027963554] [2024-10-13 07:29:04,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:29:04,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-13 07:29:04,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:29:04,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-13 07:29:04,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-13 07:29:04,455 INFO L87 Difference]: Start difference. First operand 228 states and 312 transitions. Second operand has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-13 07:29:04,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:29:04,790 INFO L93 Difference]: Finished difference Result 414 states and 569 transitions. [2024-10-13 07:29:04,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 07:29:04,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 139 [2024-10-13 07:29:04,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:29:04,793 INFO L225 Difference]: With dead ends: 414 [2024-10-13 07:29:04,793 INFO L226 Difference]: Without dead ends: 230 [2024-10-13 07:29:04,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-10-13 07:29:04,794 INFO L432 NwaCegarLoop]: 277 mSDtfsCounter, 0 mSDsluCounter, 1076 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1353 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 07:29:04,796 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1353 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 07:29:04,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-10-13 07:29:04,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2024-10-13 07:29:04,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 143 states have (on average 1.2727272727272727) internal successors, (182), 146 states have internal predecessors, (182), 65 states have call successors, (65), 19 states have call predecessors, (65), 21 states have return successors, (70), 64 states have call predecessors, (70), 64 states have call successors, (70) [2024-10-13 07:29:04,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 317 transitions. [2024-10-13 07:29:04,815 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 317 transitions. Word has length 139 [2024-10-13 07:29:04,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:29:04,816 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 317 transitions. [2024-10-13 07:29:04,816 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (25), 2 states have call predecessors, (25), 4 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-10-13 07:29:04,816 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 317 transitions. [2024-10-13 07:29:04,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-10-13 07:29:04,818 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 07:29:04,818 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 07:29:04,841 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 07:29:05,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:29:05,019 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-13 07:29:05,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 07:29:05,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1501896675, now seen corresponding path program 1 times [2024-10-13 07:29:05,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 07:29:05,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568362445] [2024-10-13 07:29:05,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:29:05,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 07:29:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:29:05,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,329 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:29:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:29:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-13 07:29:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-13 07:29:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 07:29:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-13 07:29:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-13 07:29:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-10-13 07:29:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-10-13 07:29:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:29:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:29:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2024-10-13 07:29:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2024-10-13 07:29:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-10-13 07:29:05,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2024-10-13 07:29:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-13 07:29:05,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-13 07:29:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 07:29:05,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:29:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-10-13 07:29:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:29:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-13 07:29:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-10-13 07:29:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-10-13 07:29:05,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-13 07:29:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2024-10-13 07:29:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2024-10-13 07:29:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-10-13 07:29:05,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 07:29:05,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568362445] [2024-10-13 07:29:05,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568362445] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 07:29:05,646 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34242729] [2024-10-13 07:29:05,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 07:29:05,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:29:05,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 07:29:05,648 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 07:29:05,650 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 07:29:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 07:29:06,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 2458 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-13 07:29:06,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 07:29:06,318 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-10-13 07:29:06,319 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 07:29:06,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34242729] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 07:29:06,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 07:29:06,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2024-10-13 07:29:06,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548286847] [2024-10-13 07:29:06,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 07:29:06,320 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 07:29:06,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 07:29:06,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 07:29:06,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2024-10-13 07:29:06,322 INFO L87 Difference]: Start difference. First operand 230 states and 317 transitions. Second operand has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-10-13 07:29:06,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 07:29:06,519 INFO L93 Difference]: Finished difference Result 295 states and 392 transitions. [2024-10-13 07:29:06,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 07:29:06,520 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) Word has length 147 [2024-10-13 07:29:06,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 07:29:06,521 INFO L225 Difference]: With dead ends: 295 [2024-10-13 07:29:06,521 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 07:29:06,522 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2024-10-13 07:29:06,523 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 19 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 405 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 07:29:06,523 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 405 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 07:29:06,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 07:29:06,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 07:29:06,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 07:29:06,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 07:29:06,527 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 147 [2024-10-13 07:29:06,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 07:29:06,527 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 07:29:06,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.8) internal successors, (59), 5 states have internal predecessors, (59), 4 states have call successors, (26), 2 states have call predecessors, (26), 3 states have return successors, (25), 4 states have call predecessors, (25), 4 states have call successors, (25) [2024-10-13 07:29:06,527 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 07:29:06,527 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 07:29:06,531 INFO L782 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-10-13 07:29:06,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-13 07:29:06,735 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 07:29:06,738 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-10-13 07:29:06,740 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 07:29:07,023 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 07:29:07,037 WARN L155 FloydHoareUtils]: Requires clause for can_fail_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-13 07:29:07,038 WARN L155 FloydHoareUtils]: Requires clause for bounded_malloc contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-13 07:29:07,039 WARN L155 FloydHoareUtils]: Requires clause for aws_priority_queue_is_valid contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#1.base)| |#memory_$Pointer$#1.base|) (= |#memory_int#1| |old(#memory_int#1)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#memory_real#1| |old(#memory_real#1)|) (= |old(#memory_$Pointer$#1.offset)| |#memory_$Pointer$#1.offset|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-13 07:29:07,042 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #in~queue!base [2024-10-13 07:29:07,044 WARN L155 FloydHoareUtils]: Requires clause for ensure_array_list_has_allocated_data_member contained old-variable. Original clause: (and (= |#memory_$Pointer$#3.offset| |old(#memory_$Pointer$#3.offset)|) (= |old(#length)| |#length|) (= |#memory_real#4| |old(#memory_real#4)|) (= |#memory_int#4| |old(#memory_int#4)|) (= |old(#memory_$Pointer$#4.base)| |#memory_$Pointer$#4.base|) (= |old(#memory_$Pointer$#3.base)| |#memory_$Pointer$#3.base|) (= |#memory_real#3| |old(#memory_real#3)|) (= |old(#valid)| |#valid|) (= |#memory_int#3| |old(#memory_int#3)|) (= |#memory_$Pointer$#4.offset| |old(#memory_$Pointer$#4.offset)|)) Eliminated clause: true [2024-10-13 07:29:07,045 WARN L155 FloydHoareUtils]: Requires clause for aws_array_list_is_valid contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#1.base)| |#memory_$Pointer$#1.base|) (= |#memory_int#1| |old(#memory_int#1)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#memory_real#1| |old(#memory_real#1)|) (= |old(#memory_$Pointer$#1.offset)| |#memory_$Pointer$#1.offset|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-13 07:29:07,047 WARN L155 FloydHoareUtils]: Requires clause for aws_raise_error contained old-variable. Original clause: (= ~tl_last_error~0 |old(~tl_last_error~0)|) Eliminated clause: true [2024-10-13 07:29:07,048 WARN L155 FloydHoareUtils]: Requires clause for __CPROVER_overflow_mult contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-13 07:29:07,050 WARN L155 FloydHoareUtils]: Requires clause for aws_mul_size_checked contained old-variable. Original clause: (and (= |old(#length)| |#length|) (= |old(#memory_$Pointer$#1.base)| |#memory_$Pointer$#1.base|) (= |#memory_int#1| |old(#memory_int#1)|) (= ~tl_last_error~0 |old(~tl_last_error~0)|) (= |#memory_real#1| |old(#memory_real#1)|) (= |old(#memory_$Pointer$#1.offset)| |#memory_$Pointer$#1.offset|) (= |old(#valid)| |#valid|)) Eliminated clause: true [2024-10-13 07:29:07,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:29:07 BoogieIcfgContainer [2024-10-13 07:29:07,051 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 07:29:07,051 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 07:29:07,051 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 07:29:07,052 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 07:29:07,054 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:28:50" (3/4) ... [2024-10-13 07:29:07,056 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 07:29:07,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_malloc [2024-10-13 07:29:07,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure bounded_malloc [2024-10-13 07:29:07,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_priority_queue_is_valid [2024-10-13 07:29:07,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ensure_array_list_has_allocated_data_member [2024-10-13 07:29:07,059 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_bounded [2024-10-13 07:29:07,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_is_valid [2024-10-13 07:29:07,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_bool [2024-10-13 07:29:07,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-10-13 07:29:07,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_raise_error [2024-10-13 07:29:07,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure my_memcpy [2024-10-13 07:29:07,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure can_fail_allocator [2024-10-13 07:29:07,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __CPROVER_overflow_mult [2024-10-13 07:29:07,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure nondet_size_t [2024-10-13 07:29:07,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_get_at [2024-10-13 07:29:07,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_mul_size_checked [2024-10-13 07:29:07,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure memcpy_using_uint64_impl [2024-10-13 07:29:07,060 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_is_mem_zeroed [2024-10-13 07:29:07,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure aws_array_list_length [2024-10-13 07:29:07,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-13 07:29:07,077 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 159 nodes and edges [2024-10-13 07:29:07,078 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 66 nodes and edges [2024-10-13 07:29:07,079 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2024-10-13 07:29:07,081 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-13 07:29:07,082 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-10-13 07:29:07,083 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 07:29:07,084 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-13 07:29:07,085 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 07:29:07,570 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 07:29:07,571 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 07:29:07,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 07:29:07,571 INFO L158 Benchmark]: Toolchain (without parser) took 22077.91ms. Allocated memory was 167.8MB in the beginning and 559.9MB in the end (delta: 392.2MB). Free memory was 101.5MB in the beginning and 386.1MB in the end (delta: -284.6MB). Peak memory consumption was 299.7MB. Max. memory is 16.1GB. [2024-10-13 07:29:07,572 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 07:29:07,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2467.93ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 101.5MB in the beginning and 67.6MB in the end (delta: 33.9MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. [2024-10-13 07:29:07,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 274.16ms. Allocated memory is still 228.6MB. Free memory was 67.6MB in the beginning and 169.9MB in the end (delta: -102.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-10-13 07:29:07,573 INFO L158 Benchmark]: Boogie Preprocessor took 236.42ms. Allocated memory is still 228.6MB. Free memory was 169.9MB in the beginning and 149.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-10-13 07:29:07,573 INFO L158 Benchmark]: RCFGBuilder took 1663.54ms. Allocated memory is still 228.6MB. Free memory was 149.9MB in the beginning and 91.3MB in the end (delta: 58.7MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. [2024-10-13 07:29:07,573 INFO L158 Benchmark]: TraceAbstraction took 16910.29ms. Allocated memory was 228.6MB in the beginning and 465.6MB in the end (delta: 237.0MB). Free memory was 90.2MB in the beginning and 150.1MB in the end (delta: -59.9MB). Peak memory consumption was 178.2MB. Max. memory is 16.1GB. [2024-10-13 07:29:07,574 INFO L158 Benchmark]: Witness Printer took 519.49ms. Allocated memory was 465.6MB in the beginning and 559.9MB in the end (delta: 94.4MB). Free memory was 150.1MB in the beginning and 386.1MB in the end (delta: -236.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2024-10-13 07:29:07,576 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 130.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2467.93ms. Allocated memory was 167.8MB in the beginning and 228.6MB in the end (delta: 60.8MB). Free memory was 101.5MB in the beginning and 67.6MB in the end (delta: 33.9MB). Peak memory consumption was 105.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 274.16ms. Allocated memory is still 228.6MB. Free memory was 67.6MB in the beginning and 169.9MB in the end (delta: -102.3MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 236.42ms. Allocated memory is still 228.6MB. Free memory was 169.9MB in the beginning and 149.9MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1663.54ms. Allocated memory is still 228.6MB. Free memory was 149.9MB in the beginning and 91.3MB in the end (delta: 58.7MB). Peak memory consumption was 79.6MB. Max. memory is 16.1GB. * TraceAbstraction took 16910.29ms. Allocated memory was 228.6MB in the beginning and 465.6MB in the end (delta: 237.0MB). Free memory was 90.2MB in the beginning and 150.1MB in the end (delta: -59.9MB). Peak memory consumption was 178.2MB. Max. memory is 16.1GB. * Witness Printer took 519.49ms. Allocated memory was 465.6MB in the beginning and 559.9MB in the end (delta: 94.4MB). Free memory was 150.1MB in the beginning and 386.1MB in the end (delta: -236.0MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 7818]: Unsoundness Warning Ignoring inline assembler instruction C: __asm__ __volatile__("" : : "r"(pBuf) : "memory"); [7818-7829] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #in~queue!base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 223]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 16.5s, OverallIterations: 6, TraceHistogramMax: 7, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 585 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 578 mSDsluCounter, 4574 SdHoareTripleChecker+Invalid, 4.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3298 mSDsCounter, 533 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2460 IncrementalHoareTripleChecker+Invalid, 2993 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 533 mSolverCounterUnsat, 1276 mSDtfsCounter, 2460 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1148 GetRequests, 1101 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=243occurred in iteration=3, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 154 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 1475 NumberOfCodeBlocks, 1475 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1592 ConstructedInterpolants, 0 QuantifiedInterpolants, 2709 SizeOfPredicates, 4 NumberOfNonLiveVariables, 11955 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 12 InterpolantComputations, 5 PerfectInterpolantSequences, 1573/1608 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 7413]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 2337]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 210]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 7420]: Procedure Contract for my_memcpy Derived contract for procedure my_memcpy. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 3176]: Procedure Contract for aws_array_list_get_at Derived contract for procedure aws_array_list_get_at. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 7378]: Procedure Contract for memcpy_using_uint64_impl Derived contract for procedure memcpy_using_uint64_impl. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 3163]: Procedure Contract for aws_array_list_length Derived contract for procedure aws_array_list_length. Requires: 0 Ensures: 0 - ProcedureContractResult [Line: 222]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: 0 Ensures: 0 RESULT: Ultimate proved your program to be correct! [2024-10-13 07:29:07,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE